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Fanuc Corporation patents (2015 archive)


Recent patent applications related to Fanuc Corporation. Fanuc Corporation is listed as an Agent/Assignee. Note: Fanuc Corporation may have other listings under different names/spellings. We're not affiliated with Fanuc Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "F" | Fanuc Corporation-related inventors


12/31/15 / #20150382456

Printed circuit board and manufacturing method thereof

A printed circuit board including a metal conductor formed on a surface of an insulating base material and having a component mounting portion, and a solder resist covering a part of the metal conductor, includes a thinned part on a component-mounting-portion side in the solder resist.. . ... Fanuc Corporation

12/31/15 / #20150381007

Electric motor with air purge structure

An electric motor comprises a tubular housing for holding a rotor core, a shaft which has a first end part projecting outward from the housing and a second end part located inside the housing, and a bearing located between the first end part and the rotor core for rotatably supporting the shaft inside the housing. The housing is provided with an air feed hole to which an air feed source can be connected for feeding air to an inside space where the second end part is located, and the shaft is provided with a bore which extends from an air inflow port formed on the second end part to an air outflow port formed on a circumferential surface of a partial region of the shaft which is located between the first end part and the bearing.. ... Fanuc Corporation

12/31/15 / #20150378488

Fixing structure for touch panel and front design sheet and display unit with touch panel

A touch panel is configured so that a lower glass substrate with a very low thermal expansion coefficient, as its lower substrate, projects outwardly from outer edges of an upper film substrate. Since a front design sheet is secured to the lower glass substrate, a housing, which is a molded article, need not be provided with any area for the fixation of the front design sheet. ... Fanuc Corporation

12/31/15 / #20150378343

Numerical controller having tool tip point control function

In a numerical controller having a tool tip point control function, a provisional tool tip point movement path calculation unit calculates a fourth movement path of a tip point of a tool on the basis of a third movement path obtained by linearly interpolating a second movement path for moving a control point of the tool along the second movement path, and a post-linear interpolation movement instruction output unit outputs a third movement instruction if it is determined that the difference between a first movement path for moving the tip point of the tool along the first movement path and the fourth movement path is within a predetermined tolerance.. . ... Fanuc Corporation

12/31/15 / #20150378341

Numerical controller with multi-core processor

A numerical controller with a multi-core processor estimates moving instruction creation processing time required for creation of a moving instruction that is to be executed in a predetermined cycle on the basis of a machining instruction obtained from a machining program and divides a process for creating the moving instruction with respect to cores of the multi-core processor on the basis of the estimated processing time. Consequently, processing performance for the moving instruction creation process is improved.. ... Fanuc Corporation

12/31/15 / #20150378326

Synchronization control device

A synchronization control device includes a command movement amount calculation unit, a predicted command movement amount calculation unit, and a movement amount comparison unit for comparing a command movement amount with a predicted command movement amount, and synchronization of a driven shaft is not started when the predicted command movement amount is less than the command movement amount, and synchronization is started when the predicted command movement amount is equal to or greater than the command movement amount.. . ... Fanuc Corporation

12/31/15 / #20150375393

Offline teaching device using simulation

An offline teaching device has a calculation unit which calculates a second position of a second tool on a work line which is separated by a predetermined distance from a first position of a first tool on the work line, calculates a workpiece position where the first tool in the first position contacts or adjoins the workpiece, and calculates a workpiece position and posture such that the second tool in the second position contacts or adjoins the workpiece by changing the posture of the workpiece from the workpiece position with respect to the first tool, while maintaining the work posture of the first tool, and has a generation unit which generates a robot teaching position based on the position and posture of the workpiece and the holding position of the workpiece, and generates a program such that the first tool and the second tool pass along the work line.. . ... Fanuc Corporation

12/31/15 / #20150375351

Workpiece conveyor system

A workpiece convey system comprising two conveyor devices which alternately convey workpieces from a source area to a destination area, wherein each of the two conveyor devices is provided with a workpiece holding part which can hold a workpiece, and a movement mechanism which moves the workpiece holding part back and forth between the source area and the destination area, the two conveyor devices being arranged so as to match the positions where their respective workpiece holding parts are stopped within the source area.. . ... Fanuc Corporation

12/31/15 / #20150375347

Manufacturing apparatus and manufacturing method for manufacturing less unbalanced blower blade

A manufacturing apparatus for manufacturing a blower blade including a plurality of blade portions having the same shape and arranged around a rotation axis line includes a machining device for machining the blower blade and a control device for controlling the machining device. The control device includes a command creation unit for creating an operation command to the machining device according to a machining program and a machining parameter, a balance measurement unit for measuring balance of the blower blade, and a machining amount adjustment unit configured to individually adjust a machining amount of each of the blade portions without changing the machining program, based on data of the balance of the blower blade measured by the balance measurement unit so as to reduce unbalance of the blower blade. ... Fanuc Corporation

12/24/15 / #20150372567

Purge system capable of controlling flow rate of air

An air purge system includes an electric motor having an air purge device which supplies air to a space around the outer peripheral surface of an output shaft, an information acquisition unit which acquires operation information of the electric motor, and an air control unit, which controls the amount of air supplied from the air purge device in response to the acquired operation information. The air control unit increases the amount of the air supplied from the air purge device when the information acquisition unit acquires deceleration operation information of the electric motor.. ... Fanuc Corporation

12/24/15 / #20150372552

Three-phase alternating current electric motor provided with structure reducing torque ripple

A three-phase alternating current electric motor wherein when a number of pole pairs of a rotor is p and a number of slots in which stator windings are inserted is n, n/(6p) becomes an irreducible fraction with a value of a denominator of 4 or more and wherein the relation of n>3p stands, in which the motor, for the layout of one layer of windings arranged in the slots, the uvw three-phases are arranged so as to have rotational symmetry of ±120 degrees in terms of mechanical angle from each other and, for the layout of the second layer, the windings are arranged reversed in direction by 180 degrees in electrical angle from the phases of the first layer of windings which have rotational symmetry and offset by m number of slots from the first layer, where t is a particular odd number for the relationship of 4/35≦. . ... Fanuc Corporation

12/24/15 / #20150372441

Gas laser oscillator capable of estimating sealability of gas container

A gas laser oscillator includes an output command part for outputting a power supply output command; a power supply unit for applying a discharge tube voltage corresponding to the power supply output command to the discharge tube to start discharge; a voltage detection part for detecting the discharge tube voltage; a discharge start determination part for determining whether or not the discharge has been started on the basis of a value detected by the voltage detection part when the power supply output command is gradually increased; and a sealability determination part for determining that sealability of the gas container has been reduced when a discharge start time from the application of the discharge tube voltage until when it is determined by the discharge start determination part that the discharge is started exceeds a predetermined first threshold value.. . ... Fanuc Corporation

12/24/15 / #20150370242

Thermal displacement correction device for working machine

Provided is a thermal displacement correction device for a working machine that includes a thermal displacement correction amount calculation unit for calculating a thermal displacement correction amount and configured to correct a thermal displacement amount caused by heat generated and radiated from the working machine and changing with time by the thermal displacement correction amount, the thermal displacement correction device for the working machine including: a correction error coefficient storage memory; a correction precision calculation unit configured to calculate the correction precision of the thermal displacement correction amount based on the thermal displacement correction amount and the correction error coefficient; and a correction precision degradation notification unit.. . ... Fanuc Corporation

12/24/15 / #20150367510

Multi-joint robot having function for repositioning arm

A multi-joint robot using substantially one sensor, capable of performing a proper repositioning motion of an arm of the robot. The controller has a disturbance torque estimating part which estimates a first disturbance torque and a second disturbance torque, by calculating a torque generated by a mass and motion of the robot and subtracting the calculated torque from the first torque and the second torque detected by a torque detecting part. ... Fanuc Corporation

12/24/15 / #20150367470

Rotary table assembly with cover

A rotary table assembly is provided with a rotary table with a workpiece mounting table on one end of a rotating shaft and a cover covering the rotary table. A seal member is disposed between the cover and the workpiece mounting table, thereby preventing foreign matter, such as chips, from adhering to the rotary table.. ... Fanuc Corporation

12/24/15 / #20150367468

Machine tool provided with clamping jig for rotationally-symmetrical body

Provided is a machine tool which performs a cutting work on a workpiece, in which holes are provided at three or more points in a circumferential direction of a jig in the vicinity of a point at which the jig comes into contact with the workpiece when the workpiece is placed on the jig, and the workpiece is moved toward a rotation center of the jig by blowing air from an air supply unit toward the workpiece through the holes.. . ... Fanuc Corporation

12/24/15 / #20150367466

Rotary-magazine tool changer capable of changing tool storage position

A tool changer for a machine tool is provided with a command unit for outputting a change command for a tool storage position to a control unit, which turns a tool magazine with a tool mounted on a spindle and controls an index unit to index a predetermined tool grip portion to a tool change position on receiving the change command for the tool storage position from the command unit.. . ... Fanuc Corporation

12/24/15 / #20150367437

Wire electric discharge machine provided with disconnection repairing unit

A wire electric discharge machine provided with a disconnection repairing unit includes a core-fixing-end-position storing unit for storing a core fixing end position of a depositing and accumulating operation machined most lately among positions at which the depositing and accumulating operation for machining wastes by a core fixing function ends in a machining shape currently being machined and a disconnection repairing unit for executing automatic connection between a disconnection position and the core fixing end position.. . ... Fanuc Corporation

12/24/15 / #20150367436

Machining program creating device for keyway milling for wire electric discharge machine

A machining program creating device for a wire electric discharge machine creates a machining program for machining a keyway on the side surface of a round hole in a workpiece, based on a previously specified diameter of the round hole, a center position of the round hole measured by bringing a wire electrode into contact with the workpiece, and a previously defined shape of the keyway.. . ... Fanuc Corporation

12/17/15 / #20150365110

Controller having error correction function in accordance with operating state of monitoring target

A controller has an error correction capability by including: a state monitoring unit that analyzes a state of a monitoring target and outputs state information; an error correction processing unit that switches error correction codes so that a correction rate for the respective states becomes a value within a predetermined range; and a correction rate calculation unit that calculates the correction rate for the respective states based on the correction result by the error correction processing unit.. . ... Fanuc Corporation

12/17/15 / #20150365019

Motor control device having protective unit of charging resistor

A motor control device includes a rectifier, a smoothing capacitor provided to a dc link, an inverter that power-converts dc power of the dc link and ac power of a motor side, an initial charging unit that charges the smoothing capacitor before motor driving start, a current detection unit that detects an ac current detection value of an input side of the rectifier, a current conversion unit that converts the detection value into a value corresponding to a dc link current, a current integration unit that outputs an integration value obtained by integrating the conversion value, an alarm output unit that outputs an alarm when the integration value is equal to or more than a first threshold value, a disconnecting unit that disconnects the ac power to the rectifier in response, and a protective unit that commands the disconnecting unit to disconnect the ac power when the alarm is output.. . ... Fanuc Corporation

12/17/15 / #20150364976

Overheat detection device for electric motor equipped with multiple ptc thermistors

The overheat detection device for an electric motor of the present invention includes: ptc thermistors each attached to the coil of a different phase of a three-phase ac electric motor and connected in series; an overheat determination unit for determining overheat of coils based on the output voltage from the serially connected circuit of the ptc thermistors; and, an output voltage control unit that controls the output voltage from the ptc thermistors in accordance with the electric angle or magnetic phase of the three-phase ac electric motor.. . ... Fanuc Corporation

12/17/15 / #20150364960

Rotor member fixed to rotary shaft of electrical rotating machine, rotor, rotary electric machine and method for disassembling rotor

Provided is a rotor member that can contribute to an easy assembling operation and components thereof can be reused. The rotor member includes a magnet mounting member having a first end and a second end, a plurality of magnets arranged radially outwardly of the magnet mounting member, and a tubular holding member arranged radially outwardly of the plurality of magnets and holds the magnets between the holding member and the magnet mounting member. ... Fanuc Corporation

12/17/15 / #20150364954

Stator with core including divided cores, and electric motor

Provided is a stator that can easily attach a coil to a tooth and that can reduce concentration of stress generated in the core during the operation. The stator includes a core with an annular back yoke, and a plurality of teeth aligned in a circumferential direction, each tooth extending toward a radially inside from the back yoke; and a coil wound around each of the plurality of teeth. ... Fanuc Corporation

12/17/15 / #20150362912

Numerical control system

A numerical control system exchanges input/output signals between a numerical controller and an io unit and the io unit includes a first control unit that changes an idle signal output from the io unit using an input signal as a trigger to a specific waveform pattern signal and when the specific waveform pattern signal is received, transmits the specific waveform pattern signal to a former side. The numerical controller includes a second control unit that outputs an interrupt signal when the specific waveform pattern signal is received.. ... Fanuc Corporation

12/17/15 / #20150362911

Motor control apparatus for controlling motor

A motor control apparatus includes a error calculation unit which calculates a error between a first position detection value of a movable part and a second position detection value of a driven part, a storage unit which stores the errors when the movable part engages with the driven part in a first and second drive direction, as a first initial error and a second initial error, respectively, and a compensation calculation unit which calculates the amount of compensation to correct backlash and an elastic deformation. The compensation calculation unit calculates a command error based on the first initial error and the second initial error and a predetermined constant which is larger than 0 and not greater than 1 and calculates the amount of compensation by subtracting the current error calculated by the error calculation unit from the command error.. ... Fanuc Corporation

12/17/15 / #20150362910

Numerical controller having function of superimposing superposition cycle synchronized with periodic operation cycle

A numerical controller controls a machine tool which carries out machining by moving a workpiece or a tool using a periodic operation cycle for repeatedly executing the same operation. The numerical controller stores command data of each execution period of a superposition cycle superimposed with the periodic operation cycle. ... Fanuc Corporation

12/17/15 / #20150362906

Numerical control device for performing control axis switch

In a numerical control device for performing a control axis switch, each of a plurality of control axis units includes an axis movement amount conversion unit configured to convert a movement amount of a servo motor into a movement amount corresponding to each of the control axis units of the plurality of control axis units, an axis position data storage unit, and a control object axis position data storage unit configured to store an axis position of a control object at a time when the control object is separated from a single drive unit, and an axis position stored in the axis position data storage unit is configured to be updated by using the movement amount of the servo motor, regardless of whether or not the control object is connected by a control axis switch unit to the control axis unit.. . ... Fanuc Corporation

12/17/15 / #20150362895

Numerical controller having function of switching position control gain during synchronous control

A numerical controller outputs a position command corresponding to a synchronous position in consideration of a servo delay of a slave axis, to the slave axis from a real position of a master axis, in order to perform position control of the slave axis, thereby making a real position of the slave axis synchronously follow the real position of the master axis. A position control gain of the slave axis is changed based on a predetermined physical quantity during the synchronous control and a compensation value for the position command for the slave axis is varied depending on the amount of change of the position control gain of the slave axis.. ... Fanuc Corporation

12/17/15 / #20150362262

Control panel cooling device for machine tool

A cooling device with a first heat sink is provided with a blowing unit configured to introduce an ambient atmosphere into the cooling device. The first heat sink is provided with a plurality of fin portions, configured to perform heat exchange when contacted by the ambient atmosphere introduced by the blowing unit, and a mist collection unit horizontally projecting from the fin portions and configured to collect mists in the ambient atmosphere.. ... Fanuc Corporation

12/17/15 / #20150360337

Machine tool having a rotary table

A machine tool includes a clamping mechanism for clamping/unclamping rotation of a rotary table. A load is measured when an unclamping command is output and then the rotary table is rotated after a set time set in the timer passes, and the set time of the timer is changed in response to a magnitude of the measured load. ... Fanuc Corporation

12/10/15 / #20150357962

Geared motor unit having function for limiting thrust load

A compact geared motor unit, capable of properly protecting an electric motor without disengaging gears or suspending the unit, even when a thrust force larger than an allowable value is generated. The geared motor unit 10 has an electric motor and a gear configured to generate a thrust force applied to the electric motor when transmitting a torque, and a control section for controlling the electric motor. ... Fanuc Corporation

12/10/15 / #20150355628

Servo control device reducing deflection of front end point of machine

A servo control device having a position control unit and a speed control unit to control a front end point of a machine of a machine tool, comprising: a position detecting unit for detecting a position of a motor; a first position error calculating unit for calculating a first position error based on a position command to a motor and position feedback from the position detecting unit; a torsion estimating unit for estimating an amount of torsion of the front end point of the machine; a second position error calculating unit for adding the first position error and estimated amount of torsion to calculate a second position error; a coefficient adapting unit for determining a coefficient of feedforward control so as to minimize the second position error; and a higher order feedforward control unit for performing feedforward control by using the determined coefficient and the position command.. . ... Fanuc Corporation

12/10/15 / #20150355627

Motor control system and motor control method which protect tool and workpiece at time of power outage

A motor control system which makes a tool motor and a workpiece motor rotate in synchronization in a machine tool equipped with a tool motor, a workpiece motor, and a tool shaft movement motor which drives a linear shaft to change an intershaft distance between the tool shaft and the workpiece shaft, wherein when the power outage detector detects a power outage of the power supply during synchronous rotation of the tool motor and the workpiece motor, the operation of the forced deceleration circuit for causing forced deceleration of either one of the tool motor and workpiece motor is made to be delayed by a predetermined time and during that time the tool shaft movement motor is used to drive the linear shaft and separate the tool and workpiece as a retraction operation to thereby prevent damage to the tool and the workpiece at the time of a power outage.. . ... Fanuc Corporation

12/10/15 / #20150355624

Numerical controller having function of controlling speed by superimposed control

A numerical controller has a first axis (reference axis) and a second axis (superimposed axis), and performs superimposed control which superimposes a movement amount of the reference axis on a movement amount of the superimposed axis, and thereby controls the movement of the superimposed axis. The numerical controller controls an acceleration start time of the axis to be accelerated, in a superimposition interval in which the reference axis is accelerated and the superimposed axis is decelerated (or reference axis is decelerated and superimposed axis is accelerated). ... Fanuc Corporation

12/10/15 / #20150354993

Reflective type optical encoder

A code plate of an optical encoder has a nonplanar incident part on a first major surface for transmitting light emitted from a light emitter to the inside of the code plate, and a planar primary reflection part for fully reflecting the transmitted light. The first major surface is also provided with a code pattern part which extends in a ring shape around the rotation axis at a position different from the incident part to switch transmission/non-transmission of the totally reflected light in accordance with a rotation position of the code plate. ... Fanuc Corporation

12/10/15 / #20150352724

Robot control device provided with function of reflecting points of difference of setting data compared with

A robot control device which can exchange data with a plurality of robot control devices and with a storage medium which stores setting data of the robot control device, which robot control device can compare setting data which is set a specific robot control device and setting data which is set at another robot control device and setting data which is stored in the storage medium, at least two, for each item, display items with differences between the compared setting data, and reflect that selected setting data.. . ... Fanuc Corporation

12/10/15 / #20150352648

Wire-cut electrical discharge machining machine in which position of liquid level of machining fluid is adjusted at time of automatic wire threading

A wire-cut edm machine in which the position of the liquid level of machining fluid is adjusted at the time of automatic wire threading includes a shape information acquisition unit for acquiring information on the shape of an object to be machined, a wire-threading position information acquisition unit for acquiring information on a wire-threading position of a wire electrode based on relative positions of upper and lower wire guides, and a liquid level position adjustment unit for acquiring the height of the object to be machined in the vicinity of the wire-threading position based on the information on the shape of the object to be machined and adjusting the position of the liquid level of the machining fluid at the time of automatic wire threading.. . ... Fanuc Corporation

12/10/15 / #20150352647

Machining path drawing apparatus for wire electric discharge machine

A machining path drawing apparatus for a wire electric discharge machine that draws a machining path for the wire electric discharge machine having a core fixation function includes a machining shape information calculation unit for analyzing a machining program to determine machining shape information, a core fixation function operating region detection unit for determining a region where the core fixation function operates in the machining shape information, and a machining path drawing unit for drawing the region where the core fixation function operates with a display attribute changed when a machining path is drawn based on the machining shape information.. . ... Fanuc Corporation

12/03/15 / #20150351291

Shield structure of electronic device unit and control panel housing

In an electrical shield structure of an electronic device unit and a control panel housing, a metal frame includes a plurality of protrusions having conductivity and having heights to come into contact with the control panel housing. The plurality of protrusions are provided at positions which surround an electronic component. ... Fanuc Corporation

12/03/15 / #20150351278

Lc filter having a function to cool ac reactor

The lc filter includes a first ac reactor having a first core and a first coil whose terminal is connected to an ac power source, a second ac reactor having a second core and a second coil whose terminal is connected to a power convertor which converts ac to dc, a capacitor, a casing to house these components, a cooling air introduction portion provided on one surface of the casing, which introduces cooling air therein, and a cooling air discharge portion provided on the opposite surface of the casing, which discharges the cooling air in a predetermined direction. The second ac reactor is positioned so as to provide a second gap between the outer periphery of the second coil and the casing, and so that the axial direction of the second coil coincides with the direction of the flow of the cooling air flowing along the second gap.. ... Fanuc Corporation

12/03/15 / #20150350345

Controller capable of reducing communication cycle time

A controller (node) divides all nodes connected to a network into several network groups, and gives the division network groups network identification numbers for identifying them. A token frame contains a network identification number. ... Fanuc Corporation

12/03/15 / #20150349642

Dc/dc converter

In a dc/dc converter, each channel operates under digital control using nonlinear control. The time interval between the time of turning on of the switching element 1 and the time of turning on of each of other switching elements j (j=2, 3, . ... Fanuc Corporation

12/03/15 / #20150346707

Numerical controller having cutting in/out motion inserting function or circular motion inserting function

Disclosed is a numerical controller that has a cutting in/out motion inserting function and configured to control a machine tool that performs lathe-turning machining in which a cutting tool moves in contact with a rotating workpiece. The numerical controller includes a cutting in/out motion inserting unit that generates a program to perform cutting in/out motion, based on operation conditions analyzed by a cutting in/out motion operation conditions analysis unit and inserts the generated program of performing the cutting in/out motion to a program to perform the lathe-turning machining.. ... Fanuc Corporation

12/03/15 / #20150343685

Injection unit of injection molding machine

A pusher plate is divided into two parts, first and second pusher plates, which can be connected to and disconnected from each other by a bolt. The first pusher plate is fitted with an injection screw and supported on a base by a position adjustment mechanism. ... Fanuc Corporation

12/03/15 / #20150343636

Robot controller integrally formed with amplifier

A robot controller comprises a control unit which outputs a driving command of a servo motor for robot driving, and an amplifier unit which outputs a driving signal to the servo motor in response to the driving command from the control unit. The control unit and the amplifier unit are mounted in integrally formed printed boards and are connected so as to be able to communicate with each other via the printed boards.. ... Fanuc Corporation

12/03/15 / #20150343582

Tool gripping mechanism

A tool gripping mechanism includes a tool holder and a shaft to which the tool holder is attached. The shaft is fixed to a rotary shaft of a spindle device. ... Fanuc Corporation

12/03/15 / #20150343579

Nut runner with core runout preventing mechanism

A nut runner which comprises a socket holder attached to a tip end of an output shaft, a slide mechanism unit for extending and retracting the output shaft in the axial direction, a pushing unit for pushing the output shaft toward the tip end side in the axial direction, during a screw tightening operation, in cooperation with the slide mechanism unit, and a supporting unit for supporting a socket retained by the socket holder while allowing a nut runner driving unit to rotate and axially move the socket.. . ... Fanuc Corporation

11/26/15 / #20150340977

Motor drive device including function to detect failure in inverter and power line

The motor drive device includes: a three-phase inverter having switching elements and converting a direct current into an alternating current; a plurality of current detection circuits configured to detect a current that flows through a power line in each phase; a current abnormality detection unit configured to detect the presence/absence of an abnormality based on the detected currents; a failure diagnosis start unit configured to output a failure diagnosis start signal based on the abnormality detection results; an inverter switching command unit configured to output a command for performing a plurality of switching patterns in which switching of the switching elements is performed selectively so that a current flows between two selected phases; a current analysis unit configured to analyze the detected currents; and a failed part determination unit configured to determine a failed part based on the current analysis results and the switching patterns.. . ... Fanuc Corporation

11/26/15 / #20150340922

Electric motor having air purge function

An electric motor includes a rotor which is rotatably supported by a first bearing which is provided at a first end part on an output shaft side and a second bearing which is provided at a second end part opposite to the first end part, a stator which is provided with a winding and which surrounds the rotor, a front housing part which supports the first bearing and which forms a winding accommodation space which accommodates the winding, a rear housing part which supports the second bearing, an air feed port to which pressurized air is fed, and an air flow path which linearly extends from said air feed port to a space surrounding the first bearing and communicates with the winding accommodation space.. . ... Fanuc Corporation

11/26/15 / #20150340836

Laser oscillator provided with blower

A laser oscillator which can estimate the rotation speed of a blower in an idle state at cheaper cost and higher precision. The laser oscillator is comprised of a resonator part, laser medium flow path, blower, drive part, controller, manometer which measures the pressure of the laser medium at a predetermined position of the laser medium flow path, and rotation speed estimating part which uses the pressure of the laser medium which is measured by the manometer and a predetermined relationship between the pressure of the laser medium and the blower rotation speed at a certain position as the basis to estimate the rotation speed of the blower. ... Fanuc Corporation

11/26/15 / #20150338845

Numerical control device provided with programmed machining restart function

A numerical control device including a programmed machining restart function includes a first display unit for displaying, as a list, specific codes indicating limit points of machining steps of a machining program, a specification unit for specifying, among the specific codes displayed as a list by the first display unit, a specific code that is selected, and a program restart unit for executing, by using a location in a memory of the specific code that is specified by the specification unit, a restart operation of the machining program from a machining step including the specific code that is specified.. . ... Fanuc Corporation

11/26/15 / #20150338843

Numerical controller

A numerical controller for controlling a machine tool based on a processing program includes: a detecting unit configured to detect a factor which causes malfunction of the numerical controller; a storing unit configured to store information of a block of the processing program which is being executed and information of the factor in association with each other; and a display unit configured to display information of the detected factor on a location corresponding to a display location of the block of the processing program.. . ... Fanuc Corporation

11/26/15 / #20150338841

Machine tool having warming-up function

When warm-up operation is started, a machine tool acquires an atmospheric temperature around the machine tool and selects a warm-up operation program on the basis of the acquired atmospheric temperature. A warm-up operation command suitable for the atmospheric temperature is given to the control unit according to the selected warm-up operation program. ... Fanuc Corporation

11/26/15 / #20150336267

Learning path control

A robot is moved along a first continuous programmed path with a robot controller executing a learning path control program without performing an operation on a workpiece. The actual movement of the robot along the first continuous programmed path is recorded. ... Fanuc Corporation

11/26/15 / #20150336231

Machine tool including chip conveyor

A chip conveyor which discharges chips produced by a machine tool from the inside of a splash guard is provided inside the splash guard that prevents the chips from being scattered. A chip carrying unit of the chip conveyor is attached to the splash guard so as to be movable with respect to the splash guard in the up and down direction. ... Fanuc Corporation

11/26/15 / #20150336201

Spot welding system and spot welding method

A spot welding system includes a position detection part which detects the position of a movable arm, a first calculation part which calculates the combined spring constant of the movable arm and a fixed arm based on a position when the movable arm is driven by a predetermined drive force and the drive force, a second calculation part which calculates the spring constant of the movable arm based on a position when the movable arm is driven by a predetermined drive force and the drive force, a third calculation part which calculates the spring constant of the fixed arm based on the combined spring constant and the spring constant of the movable arm, and an elastic displacement calculation part which calculates an amount of elastic displacement of the fixed arm based on the spring constant of the fixed arm and a drive force when welding is performed.. . ... Fanuc Corporation

11/19/15 / #20150334857

Motor drive unit provided with housing formed with opening

A motor drive unit which improves the cooling ability. The motor drive unit comprises electronic components and a housing which surrounds the electronic components. ... Fanuc Corporation

11/19/15 / #20150333469

Gas circulation type laser oscillator

A laser oscillator comprising an electric discharge excitation part having a discharge tube, and generates laser by excitation discharge of a laser gas flow through the inside of the discharge tube, an optical resonance part which has optical components attached to outsides of end walls of the discharge tube, and resonates laser generated in the discharge tube, and blower piping which connects an intake port and exhaust port of the discharge tube to form a circulation path of laser gas. The end walls of the discharge tube are provided with through holes which connect the inside of the discharge tube and the optical components, and blocking members are arranged in the through holes so as to block the flow of laser gas through the through holes toward the optical components.. ... Fanuc Corporation

11/19/15 / #20150331409

Numerical controller of laser beam machine

When positioning operation control is carried out from a machining end point to the next machining start point in laser beam machining using gap control of a nozzle, if positioning extends over a plurality of consecutive blocks, instead of allowing a gap control axis to automatically retreat or return by positioning of each block, the movement of the nozzle is controlled such that the gap control axis is allowed to automatically retreat by positioning of the first block and allowed to automatically return by positioning of the last block.. . ... Fanuc Corporation

11/19/15 / #20150328771

System for conveying workpiece having external force monitoring function

A conveying system includes an external force calculation unit which calculates an external force applied to a robot based on a force or torque applied to the robot detected by a force detection unit, and workpiece parameters changed in accordance with the holding state of a workpiece, and a robot stopping unit which stops the robot when the calculated external force exceeds a threshold. The conveying system further includes a relative movement unit which moves the held workpiece and a workpiece support relative to each other. ... Fanuc Corporation

11/19/15 / #20150328667

Interior cleaning device for machine tool, and cleaning pipe used by interior cleaning device for machine tool

An interior cleaning device for a machine tool includes a pipe arranged inside a cover covering at least a periphery of a machining section of the machine tool, and a pump for supplying liquid into the pipe, the interior cleaning device being for ejecting liquid from the pipe and cleaning accumulated substances accumulated inside the cover, wherein the pipe includes a first pipe provided with a first ejection section for ejecting liquid or air into the cover, and a second pipe installed inside the first pipe and that is provided with a second ejection section at a part facing other than downward in a vertical direction.. . ... Fanuc Corporation

11/12/15 / #20150326167

Motor control device that detects breakage of motor power line or power element abnormality of motor power conversion device

A motor control device includes a current command calculation unit configured to calculate a current command value for driving a motor, a current detection unit configured to detect a value of a current that flows through a power line of the motor, a current deviation calculation unit configured to calculate a current deviation, which is a difference between the current command value and the detected current value, a voltage command calculation unit configured to calculate a voltage command value applied to the motor based on the current deviation, a filter processing unit configured to calculate data by filtering the current deviation, the absolute value of the current deviation, or the power of the current deviation and to output the data as index data, and a power line breakage detection unit configured to detect a breakage of the power line based on the index data.. . ... Fanuc Corporation

11/12/15 / #20150323584

Motor drive having function of detecting welding of electromagnetic connector

A motor drive includes an electromagnetic connector for connecting an alternating current (ac) power source to an ac/dc conversion unit or disconnecting therefrom, a dc link unit, a dc/ac conversion unit for converting smoothed direct current voltage to ac voltage, a dc link voltage detection unit for measuring voltage of the dc link unit, and a control unit. The control unit includes a time measurement unit for measuring elapsed time since switching by the electromagnetic connector, and a welding judgment unit for judging that the electromagnetic connector is welded, provided that the difference between voltage between terminals of the dc link unit after charging the dc link unit and voltage between the terminals of the dc link unit after predetermined time has elapsed since disconnecting the ac power source from the ac/dc conversion unit, after the charge of the dc link unit, is less than a predetermined voltage level.. ... Fanuc Corporation

11/12/15 / #20150323351

Reflective optical encoder having resin-made code plate

A reflective optical encoder, which is inexpensive and is compact in the axial direction thereof. A first major surface of a code plate has an incidence part having a first transmission portion and a second transmission portion, and an emission part with a concavo-convex shape. ... Fanuc Corporation

11/12/15 / #20150323321

Arrangement evaluation apparatus for evaluating arrangement position of range sensor

An arrangement evaluation apparatus of a range sensor comprises an article arrangement unit which arranges an article model, a sensor arrangement unit which arranges a sensor model, a first plane group generation unit which generates a plurality of first planes including division lines obtained by dividing a virtual plane, a second plane group generation unit which generates a plurality of second planes by boundary surfaces of stripe pattern light projected from the projector model, an intersection line calculation unit which calculates intersection lines between the first planes and the second planes, and an intersection number calculation unit which counts the number of intersection points between the intersection lines and the surface of the article model.. . ... Fanuc Corporation

11/12/15 / #20150321406

Control method for injection molding machine

Disclosed is a control method for an injection molding machine, which is provided with a movable part, an electric storage device configured to store energy, and an energy supply unit configured to supply at least some of necessary energy for operation of the movable part from the electric storage device. In this injection molding machine control method, an amount of energy storable in the electric storage device is changed based on an energy index value as an index of the necessary energy for the operation of the movable part.. ... Fanuc Corporation

11/12/15 / #20150321405

Controller of injection molding machine having abnormality detection unit of voltage detection unit

A controller of an injection molding machine includes a power supply converter which supplies electric power from a power supply to a drive device which drives a servomotor, and an electric storage unit coupled between the power supply converter and the drive device. The controller detects abnormality of a voltage detection unit which detects voltage of the electric storage unit based on voltage of the electric storage unit, a supply electric energy to the electric storage unit, and electrostatic capacity of the electric storage unit.. ... Fanuc Corporation

11/12/15 / #20150321283

Tip dressing system with dressing device for cutting electrode tips of spot welding gun

In a tip dressing system having a welding gun, a dressing device, and a control device, the control device comprises a detection part which detects an increment amount of a load applied to a servo motor of the dressing device, a judgment part which judges if the increment amount of the load reaches a predetermined threshold value, an acquisition part which acquires a position of a movable electrode which is measured by an encoder of a servo motor for driving cutting blades of the dressing device, and a calculation part which calculates the cutting amount of the electrode tips based on the distance covered by the movable electrode moves when it is moved toward the counter electrode from the position where the increment amount of the load reaches the threshold value.. . ... Fanuc Corporation

11/05/15 / #20150319851

Printed circuit board and method of manufacturing the same

A printed circuit board includes, an insulating substrate, a metal conductor which is formed on the insulating substrate, a solder resist coating a part of the metal conductor, a scooped-out portion of the metal conductor formed in the vicinity of an end of the solder resist, and a metal layer coating the scooped-out portion.. . ... Fanuc Corporation

11/05/15 / #20150318657

Laser oscillator having mechanism for correcting distortion

A laser oscillator having a mechanism which makes it easy to correct distortion in the laser oscillator, and also has a simple structure. The laser oscillator has a housing located on an installation surface and a resonator held by the housing. ... Fanuc Corporation

11/05/15 / #20150316917

Controller that outputs switchover notification signal upon switching of sequence program

After obtaining a switchover request that causes a sequence program in execution to be switched to another one, the controller turns on a signal that notifies the sequence program in execution of its switchover. Then, after repetitively executing the sequence program in execution a predetermined number of times, the controller turns off the signal, and then switches the sequence program in execution to a designated sequence program.. ... Fanuc Corporation

11/05/15 / #20150316111

Brake drive control device provided with abnormality detection function

A brake drive control circuit of a servo motor which detects malfunction of a semiconductor circuit at the brake drive control circuit, that is, a brake drive control circuit which connects two semiconductor circuits in series to a brake and uses a voltage detection circuit which detects the presence of voltage which is applied to the brake by brake signals turning the semiconductor circuits on/off so as to detect test pulses in the voltage which is applied to the brake due to test pulses which are included in the brake signals and turn the semiconductor circuits off for instants during an operation for disengaging the brake and detect malfunctions of the semiconductor circuits by the detection of the test pulses.. . ... Fanuc Corporation

11/05/15 / #20150314445

Safety monitoring device for robot gripping and carrying workpiece

A safety monitoring device monitoring a robot includes a workpiece parameter switching unit switching a workpiece parameter, an external force estimation unit estimating, as an external force estimation value, a force acting on the robot from an external environment by using the workpiece parameter, an external force monitoring unit stopping the robot when the external force estimation value satisfies an external force determination condition, an operation monitoring unit stopping the robot, based on conditions such as a position of the robot being included within a predetermined region, an operation monitoring state switching unit switching between a disabling command and an enabling command for the operation monitoring unit, and an external force determination condition setting unit switching the external force determination condition to an operation monitoring disabling time external force determination condition at the disabling command and to an operation monitoring enabling time external force determination condition at the enabling command.. . ... Fanuc Corporation

11/05/15 / #20150314441

Control device for performing flexible control of robot

A robot control device adapted for performing flexible control includes: an operation state monitoring unit for determining the operation state of the robot on the basis of outputs from a position detecting unit for detecting positions of respective shafts of a robot, a force detecting unit for detecting forces of respective shafts of the robot or a time measuring unit for measuring time; a storage unit for storing a plurality of parameter sets indicating flexibility of the flexible control; and an operation generating unit for switching the parameter sets each indicating flexibility on the basis of an output from the operation state monitoring unit at the time of executing the flexible control.. . ... Fanuc Corporation

11/05/15 / #20150314394

Laser processing system having function of preparing to restart processing

A laser processing system including a laser processing unit, a controller controlling the processing unit according to a laser processing program, and a restart preparation apparatus performing a preparation process of the controller to resume the program execution after being suspended. The restart preparation apparatus includes an operating state judging section judging whether an operating state of the processing unit when suspending the program execution is in course of laser processing, and a restart condition specifying section specifying a restart condition of the processing unit when resuming the program execution, from among predetermined conditions, based on a judgment result. ... Fanuc Corporation

11/05/15 / #20150314383

Machining power supply device for electric discharge machine

A machining power supply device for an electric discharge machine performs control to turn on a first semiconductor switching element, which is arranged in series between a dc power supply and a capacitor connected in parallel with a machining gap between an electrode and a workpiece, to charge the capacitor, and turn on a second semiconductor switching element, which is arranged in parallel with the capacitor and connected to a rectifier element, within a period in which the first semiconductor switching element is off.. . ... Fanuc Corporation

10/29/15 / #20150309500

Motor controller for performing correction when direction of rotation is reversed

A motor controller is configured to judge whether or not the amount of displacement of a driven body after the direction of movement of the driven body is reversed, exceeds a predetermined threshold value, and whether or not the amount of displacement of a motor after the direction of movement of the motor is reversed, exceeds another predetermined threshold value. When the amount of displacement of the driven body exceeds the threshold value, or the amount of displacement of the motor exceeds a second threshold value, the correction of the commands to the motor is terminated.. ... Fanuc Corporation

10/29/15 / #20150309499

Tool track display device for displaying track of tool

A tool track display device includes a position information acquisition unit which acquires position information of at least one drive axle from a numerical control device and a position sensor provided on the at least one drive axle, a tool coordinate calculation unit which calculates coordinate values of the tool based on the position information of the at least one drive axle and information regarding the mechanical structure of a machine tool, a display attribute modification unit which modifies the display attribute of the tool track in accordance with the motion direction of the tool, and a display unit which displays the tool track based on the coordinate values of the tool calculated by the tool coordinate calculation unit and the display attribute modified by the display attribute modification unit.. . ... Fanuc Corporation

10/29/15 / #20150309498

Numerical control device for machine tool

A numerical control device for a machine tool includes: a timing calculation unit configured to calculate a start timing of a post-reverse movement command by which a position, where the sum of velocities generated in response to a pre-reverse movement command and the post-reverse movement command becomes zero, is equal to a position distanced by an in-position width from the end point of the pre-reverse movement command; and a movement command start unit configured to start the post-reverse movement command in accordance with the start timing calculated by the timing calculation unit.. . ... Fanuc Corporation

10/29/15 / #20150308857

Rotation angle sensor provided with pedestal and rotary machine

A rotation angle sensor for detecting a rotation angle of a shaft of the motor or shaft of a machine which is driven by a motor, equipped with a detected part at an outer circumferential part of a rotary body attached to the shaft and a detection element facing the detected part provided on a pedestal which is surrounding the shaft, wherein a recessed part which is provided at the pedestal is formed with an abutting surface which abuts against an end face of the detection element at the side far from the shaft of the detection element, the distance of the abutting surface from the axial line is made different along the peripheral direction of the pedestal, and a position of the detection element abutting against the abutting surface is moved in the peripheral direction so as to adjust the difference between the rotary body and the detection element.. . ... Fanuc Corporation

10/29/15 / #20150308177

Door opening/closing system with door operated by electric motor

A door opening/closing system comprising: an electric motor which drives opening/closing operation of a door, a detection part which detects a load torque which is applied to the electric motor while the electric motor is driving the opening/closing operation of the door, a judgment part which judges if the detected load torque exceeds a preset reference value, and a stop control part which stops the electric motor by controlling the electric motor so as to generate a drive torque in the same direction as the detected load torque when the detected load torque exceeds the reference value.. . ... Fanuc Corporation

10/29/15 / #20150308176

System able to control speed of door

A system which can reliably prevent a worker from being caught in a door which is provided on a work machine. The system comprises a work machine which has an operable door, a door drive part which makes the door operate, a door controller which controls the door drive part, a robot which is provided so that at least part can enter and retract from the inside of the work machine when opening the door, and an entry detection part which detects a possibility of a person entering a predetermined zone which includes a range of operation of the robot. ... Fanuc Corporation

10/29/15 / #20150306773

Workpiece conveying device having positioning structure

A workpiece conveying device capable of correctly positioning and conveying a workpiece that has a burr having an indefinite shape by means of a robot. A robot hand has first and second claws configured to move toward and away from each other. ... Fanuc Corporation

10/29/15 / #20150306768

Simulation device for plural robots

A simulation device includes a simulation unit which executes, by simulation, a motion program containing a command velocity and a command acceleration of the drive shaft, and a motion waiting instruction, a storage unit which stores in time series a line number of the motion program and the command velocity and the command acceleration at the line number associated with one another; an execution time calculation unit which calculates the execution time of the motion program for each of the line numbers stored in the storage unit based on a simulation result; and a waiting time calculation unit which calculates the motion waiting time in accordance with the motion waiting instruction based on the execution time calculated by the execution time calculation unit.. . ... Fanuc Corporation

10/22/15 / #20150303773

Electric motor with fan motor

An electric motor comprising: an motor main body, a fan motor for cooling the motor main body, and a casing which is attached to the motor main body to hold the fan motor, wherein the fan motor has engagement parts, and both of the motor main body and the casing are provided with engagement parts which can engage with the engagement parts on the fan motor to fasten the fan motor.. . ... Fanuc Corporation

10/22/15 / #20150303763

Electric motor with scatter preventing member of bearing part

An electric motor comprising a housing, a stator which is fastened to the housing, a rotor which is arranged at an inside of the stator, a bearing which is attached to the housing to support a shaft of the rotor, a shield member which is attached to the bearing to prevent scattering of lubricant enclosed in the bearing, and a scatter preventing member which extends from the housing so as to be positioned between the bearing and an iron core of the rotor, and prevents scattering of component parts of the bearing to the inside of the housing.. . ... Fanuc Corporation

10/22/15 / #20150301516

Numerical controller and program editing method having machining cycle generation function

Disclosed is a numerical controller that recognizes a range between a machining command for a tool number previously designated by an nc program for machining control and a machining command for the next tool number as a single machining process, generates a machining cycle command from the recognized single machining process, and generates an nc program in which the single machining process on the nc program is replaced by the generated machining cycle command.. . ... Fanuc Corporation

10/22/15 / #20150298270

Automatic tool changer of machine tool

A automatic tool changer of a machine tool including a magazine driving motor configured to turn a tool magazine has the magazine driving motor fixed to a non-movable unit of the machine tool and when the tool magazine rotationally moves to reach an approaching position to a spindle head, a tool magazine side power transmission unit and a magazine driving motor side power transmission unit are connected to perform a turning operation of the tool magazine.. . ... Fanuc Corporation

10/01/15 / #20150282340

Drip-proof structure of electronic apparatus

A housing for a module in which a printed circuit board is housed and a housing for a base unit in which a printed circuit board is housed are each provided with an opening for a connector, and a convex portion and/or a concave portion is provided around the connector opening so that a cutting fluid is prevented from dripping and spreading on the connector that electrically connects units such as the module and the base unit.. . ... Fanuc Corporation

10/01/15 / #20150280632

Motor drive device having function of detecting contact fusion in electromagnetic contactor

A motor drive device driven by a three-phase ac, which drives a motor by an ac/dc converter and dc/ac converter controlled by a controller, and which has an electromagnetic contractor without an auxiliary contact in an input power circuit, which motor control device is provided at the controller with an off circuit of the electromagnetic contactor and a partial controller of the three-phase bridge circuit at the ac/dc converter, turns on an upper arm of a predetermined phase of the three-phase bridge circuit and turns on the lower arms of other phases in the state where the electromagnetic contactor is turned off, judges the presence of current in this state by the current detector, and, when the current detector detects current, uses a contact fusion detector to detecte contact fusion in the electromagnetic contactor and thereby can detect fusion of a contact in the electromagnetic contactor without an additional circuit.. . ... Fanuc Corporation

10/01/15 / #20150280512

Electric motor having seal member and method of producing electric motor

A method of producing an electric motor is provided. The electric motor includes a housing portion attached to at least one of end portions in an axial direction, a rotor provided with a rotary shaft extending in the axial direction, and an annular seal member provided between the housing portion and the rotor. ... Fanuc Corporation

10/01/15 / #20150276633

Thermal displacement correction device for machine tool

A thermal displacement correction device for a machine tool is provided with detection result determination unit configured to determine, based on an actual position and a reference position detected by position detection unit, whether or not the actual position is based on correct detection, correction error calculation unit configured to calculate a correction error in the actual position if it is determined that the result of detection is based on correct detection, and correction amount modification unit configured to modify a thermal displacement correction amount based on the correction error.. . ... Fanuc Corporation

10/01/15 / #20150276473

Beam profiler measuring intensity distribution of laser beam, laser oscillator, and laser processing device

A beam profiler which can determine whether or not a laser beam can be suitably output at a lower cost. The beam profiler is provided with a partial reflecting mirror, light receiving parts, and laser intensity sensors which are individually attached to the light receiving parts. ... Fanuc Corporation

10/01/15 / #20150273704

Robot system for determining operator by biometric authentication

In a robot system according to the present invention, an operation panel includes a biometric information acquisition unit configured to acquire biometric information of an operator who uses the operation panel. The robot system includes a biometric information storage unit configured to store biometric information of a plurality of operators, an operator determination unit configured to determine an operator who uses the operation panel by matching the biometric information acquired by the biometric information acquisition unit with the biometric information stored by the biometric information storage unit when the operation panel is activated or when a predetermined operation is executed for the operation panel, and a limitation unit configured to individually limit executable functions for the operator determined by the operator determination unit.. ... Fanuc Corporation

10/01/15 / #20150273690

Process application robot system having function for managing process condition

A process application robot system in which a process condition can be adjusted even when operation limitation regarding setting the condition is valid, while ensuring safety regarding management and operation of the process condition. The robot system includes a robot which carries out a predetermined process operation; a robot controller which controls the robot; a process controller which controls a processing treatment in the process operation; an interface part for setting, changing or adjusting a process condition which determines a content of the process treatment; and a process condition change managing part which carries out an operation limitation with respect to setting of or setting change in the process condition. ... Fanuc Corporation

10/01/15 / #20150273626

Laser processing apparatus capable of retracting processing nozzle upon power failure

A laser processing apparatus including a processing nozzle for irradiating a workpiece with laser beam, a driving mechanism for relatively moving the processing nozzle and the workpiece, and a gap sensor for detecting a gap between the processing nozzle and the workpiece. The apparatus includes a gap control section referring to a measured value detected by the gap sensor and calculating a manipulating variable used for controlling the driving mechanism so as to maintain the gap during execution of laser processing at a first dimension, a power monitoring section monitoring electric power from a power supply and sending an abnormality detection signal to the gap control section when a power abnormality occurs, and a control action switching section switching a control action of the gap control section so as to increase the gap from the first dimension when the abnormality detection signal is sent to the gap control section.. ... Fanuc Corporation

10/01/15 / #20150273601

Wire electric discharge machine

A wire electric discharge machine is provided with a storage unit configured to store the flow rate of a machining fluid delivered to a sealing portion in a machining tank in association with the flow rate of the machining fluid delivered to a nozzle. The flow rate of the machining fluid delivered to the nozzle is measured, and the flow rate of the machining fluid to be supplied to the sealing portion is read from the flow rate storage unit and set, based on the measured flow rate.. ... Fanuc Corporation

09/24/15 / #20150270795

Control apparatus of injection molding machine

A power supply converter controller in an injection molding machine continuously operates a power supply converter in a continuous operation interval, operates the power supply converter in a step-up interval to increase a voltage of an electric storage unit up to a step-up voltage, and intermittently operates the power supply converter in an intermittent operation interval.. . ... Fanuc Corporation

09/24/15 / #20150268659

Robot controller having function of predicting processing completion time of machine tool

The robot controller includes an operation command part configured to output an operation command so as to perform a first operation of conveying a workpiece from an initial position to a first position adjacent to the machine tool, a time prediction part configured to predict processing completion time of the workpiece based on a processing start signal output from a machine tool controller, a time length prediction part configured to predict time length necessary for the first operation, and a time determination part configured to determine start time of the first operation so that the first operation is completed at the processing completion time on the basis of the predicted processing completion time and time length necessary for the first operation.. . ... Fanuc Corporation

09/24/15 / #20150268658

Servo controller for reducing interference between axes in machining

The servo controller of the present invention includes a first axis speed feedback obtaining unit, a second axis speed feedback obtaining unit configured to obtain an amount of speed feedback for a second axis synchronizing with a first axis, a speed conversion unit configured to convert an amount of speed feedback for the first axis by using a conversion coefficient, a speed difference calculating unit configured to calculate a speed difference between the converted amount of speed feedback for the first axis and the amount of speed feedback for the second axis, a torque correction calculating unit configured to calculate a torque correction value by using the speed difference, a second axis torque command correcting unit using the torque correction value, a torque correction value converting unit using the conversion coefficient, and a first axis torque command correcting unit using the converted torque correction value.. . ... Fanuc Corporation

09/24/15 / #20150268286

Matrix key input interface

A matrix key input interface has key common signal lines and key data signal lines wired in a matrix and key switches disposed at positions where the key common signal lines intersect the key data signal lines. The key data signal lines are periodically monitored while key scan signal is not output to any of the key common signal lines. ... Fanuc Corporation

09/24/15 / #20150268040

Laser processing device having function for monitoring propagation of laser beam

A laser processing device having a simple structure and a means for accurately detecting expansion and misalignment of a laser beam. A sensor, which receives the laser beam after transmitting through a half mirror, is arranged on a back surface of the half mirror opposed to a front surface which reflects the laser beam. ... Fanuc Corporation

09/24/15 / #20150266152

Motor control apparatus capable of protecting process face at the time of occurrence of abnormal load

A motor control apparatus controlling a motor driving a machine tool includes, an abnormal load detecting unit that detects an abnormal load by monitoring a load of the motor, a retract amount storing unit that stores a plurality of retract amounts used when the machine tool performs a retract operation in response to detection of an abnormal load by the abnormal load detecting unit, a retract amount switching unit that switches a retract amount selected from the plurality of retract amounts in accordance with a result of determination of whether the machine tool is processing or not, and a retract amount adding unit that adds a retract amount selected by switching of the retract amount switching unit to an instruction value indicative of a movement amount of the machine tool.. . ... Fanuc Corporation

09/24/15 / #20150266133

Laser processing apparatus capable of retracting processing nozzle upon detection of power outage

A laser processing apparatus including a processing nozzle for irradiating a workpiece with laser beam; an actuator for moving the processing nozzle relative to the workpiece; a distance detector for detecting a gap between the processing nozzle and the workpiece; a power abnormality detecting section for detecting an abnormality in electric power supplied from a power supply unit; a gap control section for controlling the actuator based on a detected value obtained by the distance detector, so as to perform a gap control for adjusting the gap to a target value, during execution of laser processing; and a change control section for maintaining the gap control in an enabled state until a power abnormality is detected by the power abnormality detecting section during execution of laser processing, and for disabling the gap control when a power abnormality is detected by the power abnormality detecting section during execution of laser processing.. . ... Fanuc Corporation

09/24/15 / #20150266109

Machining jig for rotatably supporting workpiece with respect to tool of machine tool and machining system

A machining jig for rotatably supporting a workpiece comprising: a rotary drive part which rotates a seating part about a rotation axis, a clamp arm which has a rotary type clamp member which cooperates with the seating part to fasten a workpiece at a position separated from the seating part in a direction along the rotation axis of the seating part, a linear drive part which moves the clamp arm in a direction along a rotation axis, a position adjusting part which adjusts a position of the clamp arm in a plane intersecting the rotation axis, and a tilt adjusting part which adjusts a tilt of the clamp member so that a rotation axis of the clamp member becomes parallel with the rotation axis of the seating part.. . ... Fanuc Corporation

09/17/15 / #20150263509

Rotor temperature detecting device in an electric motor and overheat protection device of an electric motor

A rotor temperature detecting device in an electric motor of the present invention includes: a power calculator configured to calculate power of an electric motor; a rotational speed detector configured to detect rotational speed of the electric motor; a storage configured to store coefficients depending on the rotational speed; and, a rotor temperature estimator configured to estimate temperature of a rotor of the electric motor, based on the power and the coefficient.. . ... Fanuc Corporation

09/17/15 / #20150263476

Laser oscillator provided with discharge tube and laser processing machine

A laser oscillator which can effectively remove scattered light by a simpler configuration. The laser oscillator comprises an output mirror and a rear mirror which are arranged facing each other and a discharge tube which is arranged between the output mirror and the rear mirror. ... Fanuc Corporation

09/17/15 / #20150261899

Robot simulation system which simulates takeout process of workpieces

A robot simulation system includes a first plane calculation part which calculates a group of first planes extending through focal points of two camera models and divide the fields of vision of the two camera models at equal intervals when capturing a measurement region, a second plane calculation part which calculates a group of second planes which intersect the first planes and extend along boundaries of light-dark contrast formed on the measurement region with stripe shaped patterns of light from the projector model, an intersecting line calculation part which calculates a plurality of intersecting lines between the first planes and the second planes, a three-dimensional information calculation part which calculates positions of intersecting points between the intersecting lines and surfaces of the workpiece models as three-dimensional information, and a position and posture calculation part which calculates positions and postures of the workpiece model based on the three-dimensional information.. . ... Fanuc Corporation

09/17/15 / #20150261205

Numerical controller

In a numerical controller, alarm mask information is preset. The alarm mask information is compared with alarm factor information generated by any of control circuits, and depending on a comparison result, an alarm is masked so as not to be delivered to a central processing unit. ... Fanuc Corporation

09/17/15 / #20150258690

Robot control device detecting contact with external environment

A robot control device includes: an internal force estimating unit; a storage unit in which, in each small region of a rotational operation region of a plurality of joints of a robot arm, an internal force estimated by the internal force estimating unit is subtracted from an output of the force sensor in a state in which the robot arm is not in contact with an external environment, thereby storing a force correction amount; a force correction amount determining unit in which a force correction amount corresponding to each of the current angles of the plurality of joints of the robot arm is determined; and a contact force calculating unit in which a contact force when the robot arm is in contact with an external environment is calculated by subtracting an internal force and the force correction amount from a current output of the force sensor.. . ... Fanuc Corporation

09/17/15 / #20150258689

Robot system for taking out bulk stacked workpieces and judgment method for judging workpiece gripping state

A robot system for successively taking out bulk stacked workpieces of the same type, wherein a hand of a robot comprises: a base part attached to an arm, a cylinder device with a cylinder and a piston rod, and a gripping part attached to a front end part of the piston rod. The robot system further comprises a fluid pressure adjusting device which adjust a fluid pressure inside of the cylinder, a movement detecting device which detects a retracting movement of the piston rod, and a judgment device which judge if the hand is gripping a designated number of workpieces, based on a magnitude of fluid pressure inside the cylinder and detection results of the movement detecting device.. ... Fanuc Corporation

09/17/15 / #20150258681

Industrial robot comprising drive shaft provided with brake unit

An industrial robot provided with a drive shaft in which a power transmission unit is arranged between a servomotor and a power output unit includes: a first brake unit integrally incorporated in the servomotor; and a second brake unit which is connected to the power transmission unit to branch to a power transmission path of the power transmission unit. The drive shaft is braked by using both the first brake unit and the second brake unit.. ... Fanuc Corporation

09/10/15 / #20150256116

Motor drive device having insulation resistance detecting function and method of detecting insulation resistance of motors

. . A motor drive device includes: a converter; a power supply; a plurality of inverter units configured to convert dc to ac to drive a plurality of motors by upper arm switching elements connected between a capacitor and motor coils and lower arm switching elements connected between the capacitor and motor coils; a second switch configured to connect the capacitor to the earth; a current detector configured to measure current flowing between the capacitor and the earth; a voltage detector configured to measure the voltage across the capacitor; and, an insulation resistance detector configured to detect insulation resistance of the multiple motors based on the current and voltage measured in a condition that the switching element to which the motor coil to be measured is connected is turned on and the switching elements to which a motor coil other than the target for measurement is connected are turned off.. . ... Fanuc Corporation

09/10/15 / #20150254380

Robot simulation system which simulates takeout process of workpiece

A robot simulation system includes a model placement part which places a three-dimensional container model in a virtual space and places three-dimensional workpiece models which have any postures at initial positions above the container model and a drop operation simulation part which simulates a drop operation in which the workpieces drop from the initial positions to the inside of the container by action of gravity. The robot simulation system is configured to create a bulk stacked state of workpiece models, based on the positions and postures of the workpiece models which are obtained as a result of simulation of the drop operation.. ... Fanuc Corporation

09/10/15 / #20150253780

Synchronization control apparatus

A synchronization control apparatus includes a movement amount calculation unit and a movement unit. The movement amount calculation unit calculates a movement amount required for a slave axis to move in accordance with the position of a master axis in such a manner that the slave axis moves to a designated position when the master axis arrives at a designated position, and that the speed ratio of the slave axis to the master axis is as designated. ... Fanuc Corporation

09/10/15 / #20150253758

Numerical control device

A program axis command checking unit belonging to a directed program analyzing unit determines whether or not there is a command of a target axis of an erroneous axis command in a directed program and whether or not a directed value exceeds an allowable range, and an interpolation axis command checking unit belonging to an interpolation command generating unit determines whether or not there is a command of a target axis of an erroneous axis command and whether a directed value exceeds an allowable range, and performs alarm stop by making an alarm stop request in a case where the alarm stop is to be performed.. . ... Fanuc Corporation

09/10/15 / #20150253757

Robot controller for controlling robot which supplies and discharges workpiece

A robot controller used in a system having a machine tool and a robot, by which the robot is properly operated corresponding to an operation state of the machine tool. The robot controller has a data communicating part which obtains data representing an operation state of the machine tool at predetermined timing; a motion pattern storing part which stores a plurality of motion patterns of the robot for the machine tool; and a motion controlling part which selects a motion pattern from the stored plurality of motion patterns when an abnormality occurs in the machine tool or when an operation state of the machine tool satisfies a predefined condition, and operates the robot based on the selected motion pattern, the selected pattern being associated with an operation state of the machine tool when an abnormality occurs or when the operation state satisfies the predefined condition.. ... Fanuc Corporation

09/10/15 / #20150251321

Robot hand for holding object, robot, robot system, and method of holding object

Provided is a robot hand applicable to purpose for holding various types of objects different in size or shape. The robot hand includes a hand base, a first hand arm having a first butting part and a first adsorption part, a second hand arm having a second butting part and a second adsorption part, and a driving mechanism for moving the first and second butting parts in directions to approach each other or separate from each other by moving the first and second hand arms relatively to each other.. ... Fanuc Corporation

09/10/15 / #20150251320

Robot hand having workpiece positioning function, robot system, and method of positioning and gripping workpiece

The robot hand of the present invention comprises: a first abutting part which projects from a main body part in z-direction, and has a first abutting surface against which a first surface of the workpiece abuts; second and third abutting parts which extend from the main body part, and against which the second and third surfaces of the workpiece abut respectively; and a suction member which is attached to the main body part so as to hold by suction the first surface. The suction member is deformable into an elongated shape where the suction surface is located in front of the first abutting surface in z-direction, and into a contracted shape where the suction surface is located in back of the first abutting surface in z-direction.. ... Fanuc Corporation

09/10/15 / #20150251319

Container-carrying device using robot hand

A container-carrying device includes: a first slide base unit; a first slide unit; a holding unit; a second slide base unit; a second slide unit; and a receiving unit. The robot is operated to position the holding unit at the upper end of one side unit of the container so that the holding unit holds the upper end, the first slide unit is made to slide upward along the first slide base unit to raise the container. ... Fanuc Corporation

09/10/15 / #20150251312

Robot controller having function to simplify teaching operation and improve motion performance of robot

A robot controller capable of easily speeding up the motion of a robot by learning, without using a special device and teaching know-how. The robot controller has a storing part which stores a reference motion pattern of the robot; an inputting part which designates at least one of a working start region where a motion of the robot based on the reference motion pattern is initiated and a working end region where the motion of the robot is terminated; an automatic generating part which automatically generates a plurality of motion patterns of the robot based on the reference motion pattern and divided regions formed by dividing a working region at a predetermined resolution; and a learning control part which learns a motion speed-up ratio for speeding up the motion by changing a velocity or acceleration in relation to each of the automatically generated motion patterns.. ... Fanuc Corporation

09/10/15 / #20150251286

Rotation table

A rotation table mounted on a machining table of a machine tool includes a clamping mechanism which is driven by air so as to clamp a rotation shaft, and an air purging pressure is applied into a casing so as to prevent a cutting fluid or foreign matter from intruding into the casing of the rotation table. Then, air discharged from the clamping mechanism does not pass through the casing, to which the air purging pressure is applied, and is discharged to the outside of the rotation table through a flow passage.. ... Fanuc Corporation

09/03/15 / #20150249418

Motor control device controlling synchronous motor

A motor control device includes: a calculating unit for calculating a speed reference value that decreases as a torque command increases; a determining unit for determining a magnitude relationship between a speed command and a speed reference value calculated for a torque command by the calculating unit; a q-axis-current commanding unit for generating a q-axis current command on the basis of a torque command and an inverse number of a torque constant of the synchronous motor when a speed command is smaller than a speed reference value, and generating the q-axis current command on the basis of a function of which independent variable is a speed command, the torque command, the inverse number of the torque constant, and when a speed command is equal to or larger than a speed reference value; and a d-axis-current commanding unit generating a d-axis current command, on the basis of a q-axis current command.. . ... Fanuc Corporation

09/03/15 / #20150248123

Numerical control device provided with heat radiation characteristic estimation part

A numerical control device, in a motor drive system which drives a motor part which has a cooling fan motor and is provided with the numerical control device to drive the motor part, which acquires the temperature of the component elements of the motor part from the temperature detectors, ambient temperature, input energy to the component elements, and output energy from the component elements, estimates the heat radiation characteristic of the component elements from the data of the temperature of the component elements, ambient temperature, and input/output energy, compares the estimated value of the heat radiation characteristic of the component elements with a normal value, judges that the cooling fan motor is abnormal when the heat radiation characteristic is below the normal value, and thereby prevents trouble due to overheating of the component elements of the motor part.. . ... Fanuc Corporation

09/03/15 / #20150246778

Device and method of arraying articles by using robot, and article transfer system

An article arraying device including a robot; a vision sensor for obtaining position information of each of randomly arranged articles; an arrangement pattern generating section for generating an arrangement pattern by using the position information, the arrangement pattern including pattern elements in a regular arrangement, in such a manner that any one of the pattern elements coincides with a position of a reference article in the randomly arranged articles; a picking motion generating section for generating a picking motion by using the position information, the robot picking up by the picking motion an article other than the reference article; an arraying motion generating section for generating an arraying motion, the robot placing by the arraying motion the picked-up article in a position juxtaposed to the reference article in accordance with the arrangement pattern; and a robot controlling section for controlling the picking motion and the arraying motion.. . ... Fanuc Corporation

09/03/15 / #20150246450

Robot with fixing device for restricting relative rotating motion of two members and such fixing device

A robot of the present invention includes a swivel base and lower arm which are connected to be able to rotate relative to each other about a rotation axis, and a fixing device which restricts rotating motion of the swivel base and lower arm about the rotation axis. The fixing device includes a mounting part which is mounted to the swivel base, and an abutting part which extends from the mounting part and abuts against the lower arm to restrict relative rotating motion about the rotation axis. ... Fanuc Corporation

09/03/15 / #20150246442

Machine system including wireless sensor

A machine system including a sensor unit detecting periodically an acceleration at a tip part of a movable member, a data acquisition unit acquiring first time-series data of the acceleration at the tip part of the movable member corresponding to sensor signal received via a wireless signal path, a data calculation unit configured to calculate second time-series data corresponding to the first time-series data based on a driving command of the motor, a delay time calculation unit calculating a delay time of the first time-series data with respect to the second time-series data according to a degree of correlation between first time-series data and the second time-series data, and a correction unit correcting the first time-series data based on the delay time.. . ... Fanuc Corporation

09/03/15 / #20150246406

Welding torch detector and welding robot system

A welding torch detector including an imaging unit capturing images of a welding torch and welding wire from a plurality of directions to acquire image signals, an image recognition unit recognizing welding wire images and welding torch images based on the image signals acquired, a setting unit setting a target point corresponding to a target position of the welding wire on the welding wire images recognized, a position detection unit detecting a position of the target point in a three-dimensional space based on the welding wire images recognized, and an inclination detection unit detecting an inclination of the welding torch in the three-dimensional space based on the welding torch images recognized.. . ... Fanuc Corporation

08/27/15 / #20150245482

Printed wiring board

In a printed wiring board on which an electronic component comprising electrode terminal rows on four peripheral sides or two opposite sides thereof is mounted, each of pads at the both ends of pad rows corresponding to the electrode terminal rows extend outwardly relative to the other pads in the direction of arrangement of the pads and has a shape obtained by diagonally cutting a corner located farthest from the center of the electronic component.. . ... Fanuc Corporation

08/27/15 / #20150244234

Rotor with end ring and electric motor

An electric motor for high speed operation use and a rotor which enables use of common parts with electric motors for low speed operation use and which thereby enables reduction of the manufacturing costs. The rotor is provided with a shaft, a rotor core which is fastened to the shaft at the outside in the radial direction and has a first end face at one end in the axial direction and a second end face at the other end in the axial direction, a plurality of conductors which are arranged at the rotor core, and a pair of end rings which are respectively arranged adjoining the first end face and the second end face and which short-circuit the plurality of conductors with each other. ... Fanuc Corporation

08/27/15 / #20150244217

Rotor of electric motor with magnets attached to outer circumferential surface of rotor core, electric motor, and method of producing rotor of electric motor

A rotor of the present invention comprises a cylindrically shaped rotor core, and a plurality of magnets arranged at predetermined intervals at an outer circumferential surface of the rotor core. The outer circumferential surface of the rotor core is formed with a plurality of projections for positioning the plurality of magnets in the circumferential direction, and each of the projections extends over only part of outer circumferential surface of the rotor core in the height direction. ... Fanuc Corporation

08/27/15 / #20150244138

Gas laser oscillator controlling adjusted level of laser power supply

A gas laser oscillator including discharge tubes, main discharge electrodes, auxiliary electrodes, an output mirror which outputs a laser, and a mechanical shutter which cuts off the laser output from the output mirror. To maintain the auxiliary discharge in the state where the laser output is zero, the base discharge command is set to a first command value when the mechanical shutter is closed, and is set to a second command value smaller than the first command value when the mechanical shutter is opened.. ... Fanuc Corporation

08/27/15 / #20150242211

Programmable controller

A programmable controller for executing a sequence program comprises a processor for reading and executing an instruction code from an external memory, an instruction cache memory for storing a branch destination program code of a branch instruction included in the sequence program, and a cache controller for entering the branch destination program code in the instruction cache memory according to data on priority, the instruction code of the branch instruction including the data on priority of an entry into the instruction cache memory.. . ... Fanuc Corporation

08/27/15 / #20150241869

Numerical control device having function of calculating frequency characteristic of control loop

A numerical control device wherein a sinusoidal signal generated by a sine wave generation part is input by a control loop excitation part to a control loop of the control object, the input signal input to the control loop and the output signal from the control object are sampled by the data acquisition part periodically, and the sampling data is used by the frequency characteristic calculation part to calculate the frequency characteristic of the control loop to control the control object, wherein the frequency characteristic calculation part uses data obtained by inputting a sinusoidal signal obtained by shifting an initial phase of the sinusoidal signal by a phase shift part provided at a sine wave generation part by exactly a certain amount to the control loop a plurality of times to calculate the frequency characteristic of the control loop to thereby improve the measurement precision regardless of the sampling frequency.. . ... Fanuc Corporation

08/27/15 / #20150241868

Numerical controller controlling a laser processing machine

The gap control axis following speed calculating unit of a numerical controller controlling a laser processing machine calculates a gap control axis following speed based on a displacement amount obtained from a separation distance and a reference distance between a nozzle tip and a workpiece, and a gap control gain. A first determining unit determines that the nozzle tip has entered an approach side when the separation distance becomes smaller than the reference distance. ... Fanuc Corporation

08/27/15 / #20150241867

Numerical controller configured for operation based on tabular data

A numerical controller configured for operation based on tabular data identifies a control command, calculates an operating time to achieve a target state for the control command, determines a time, an axis position, or a spindle position, which serves as a reference for the start of the operation, and starts the operation.. . ... Fanuc Corporation

08/27/15 / #20150241854

Controller having cpu abnormality detection function

A controller is provided with a plurality of cpus and temperature sensors disposed in the vicinity of the cpus, individually. The cpus reciprocally read temperature data detected by the temperature sensors. ... Fanuc Corporation

08/27/15 / #20150241247

Rotational angle detector including seat and rotary machine including the detector

A rotational angle detector includes a rotary element rotatable around a rotational axis line, the rotary element having a detected portion on an outer circumference, a detection element provided on a radially outside of the detected portion so as to face the detected portion, and a seat having a mounting surface on which the detection element can be mounted, the mounting surface extending around the rotational axis line. The seat is configured such that a distance between the mounting surface and the detected portion in a direction parallel to the rotational axis line varies along a circumferential direction of the seat.. ... Fanuc Corporation

08/27/15 / #20150239121

Robot simulation device for generating motion path of robot

A robot simulation device for automatically generating a practical interference avoiding motion path, regardless of the level of skill of an operator. The device includes: a motion path obtaining part which obtains a first motion path by simulating a robot motion program; a teaching point specifying part which detects whether a robot interferes with a peripheral object on the first path, and specifies first and second teaching points immediately before and after the interference occurs, respectively; a motion path generating part which automatically inserts a third teaching point between the first and second points and generates second motion paths for avoiding the interference, based on a search direction and distance determined by a random number; an evaluating part which evaluates each second path based on a predetermined parameter; and a motion path selecting part which selects an optimum motion path from the second paths based on an evaluation result.. ... Fanuc Corporation

08/27/15 / #20150239120

Robot system including plurality of robot control devices

A robot system including robot control devices, a network, and a mode changing device which switches between an automatic operation mode and teaching mode. In the state where the mode changing device selects the automatic operation mode, drive power is supplied to all of the robots regardless of the state of the enable device. ... Fanuc Corporation

08/27/15 / #20150239087

Rotation table device

A rotation table device includes a casing, a rotation member, a braking member, a brake disk, and a target braking member, and a pressure adjustment unit that maintains the pressure inside the casing so as to be higher than the atmospheric pressure by air supplied from a purge air supply port, wherein the braking member includes a communication portion formed as a groove or a hole causing an inner space of a contact surface of the brake disk to communicate with an outer space thereof.. . ... Fanuc Corporation

08/27/15 / #20150239055

Wire electric discharge machine having corner shape compensation function

In wire electric discharge machining performed with a wire electrode moved relative to a workpiece based on a desired shape, a command speed is controlled so that the discharge densities per unit distance in circular-arc and straight portions of the desired shape are equal, in consideration of the difference in arc length between a circular-arc portion in a desired shape and the corresponding portion of a machining path, whereby the shape accuracy of the circular-arc portion is improved.. . ... Fanuc Corporation

08/20/15 / #20150236469

Gas laser apparatus carrying out improved startup process

A gas laser apparatus includes a receptacle for enclosing a laser gas, a laser oscillator that emits a laser beam, a pressure detecting unit that detects gas pressure inside the receptacle, an exhausting unit that discharges a gas from the receptacle, a feeding unit that supplies a laser gas into the receptacle, a pressure storing unit configured to store the pressure detected by the pressure detecting unit and retain stored information even when a power supply is shut off, a comparing unit that compares pressure inside the receptacle when the gas laser apparatus has stopped suddenly with pressure inside the receptacle when the gas laser apparatus is restarted thereafter, and a determining unit that determines whether or not a gas should be discharged from the receptacle and whether or not the laser gas should be supplied into the receptacle based on the result of the comparison.. . ... Fanuc Corporation

08/20/15 / #20150234630

Detachable machine control panel with display

There is provided a machine control panel with a display connected to a numerical controller of a machine tool. A part of a display section and an operation section are detachable from a main body. ... Fanuc Corporation

08/20/15 / #20150234376

Numerical controller for machine tool with efficient regular inspection function for components

Provided is a numerical controller for a machine tool having an efficient regular inspection function for components adjusted to the environment and condition of use of the machine tool. A state quantity for estimating the life of a component is measured and accumulated for each component, and a notification prompting inspection of the component is issued when a resultant cumulative value reaches a reference value. ... Fanuc Corporation

08/20/15 / #20150231785

Robot system for preventing accidental dropping of conveyed objects

A robot system comprises a robot provided with a robot arm and a robot hand, and a control device for controlling the motion of the robot, wherein a permitted area where a teaching operation for the robot hand should be permitted is preset within a maximum area which the robot hand can reach. The control device is provided with a judging part which judges if the robot hand as a whole is present in the permitted area, based on robot hand position information, and a teaching operation restricting part which permits a teaching operation for the robot hand when it is judged that the robot hand as a whole is present in the permitted area and prohibits a teaching operation for the robot hand when it is judged that the robot hand as a whole is not present in the permitted area.. ... Fanuc Corporation

08/20/15 / #20150231781

Robot traveling system provided with cable track, robot system, and machining system

A robot traveling system, which enables sufficient space to be secured by a machine that is installed along a rail. The robot traveling system is provided with a rail, a carriage which can move along the rail and which supports a robot, a drive mechanism which drives the carriage, and a cable track which houses a cable which has a connecting end which is connected to the robot and is laid at the bottom side of the rail along that rail.. ... Fanuc Corporation

08/13/15 / #20150229246

Motor driving apparatus including dc link voltage detection unit

A motor driving apparatus of the present invention includes a converter unit configured to convert an ac voltage into a dc voltage, a dc link unit configured to smooth the dc voltage by a capacitor to generate a dc link voltage, an inverter unit configured to convert the dc link voltage into a multiphase ac voltage for motor driving, short bars configured to electrically interconnect terminals of the dc link unit and terminals of the inverter unit, and a dc link voltage detection unit configured to detect the dc link voltage. At least parts of the short bars are located between the terminals of the dc link unit and terminals of the dc link voltage detection unit.. ... Fanuc Corporation

08/13/15 / #20150229052

Detector with flexible cable and method of producing of detector

A detector comprising a circuit board, a board-side connector which is mounted on the circuit board, and a flexible cable which has a terminal part inserted in the board-side connector, wherein a reinforcement member of the flexible cable is attached to an end part of the flexible cable which includes the terminal part, and the reinforcement member includes a foldable part which allows local bending of the end part of the flexible cable.. . ... Fanuc Corporation

08/13/15 / #20150227133

Numerical controller capable of preventing wrong machining after machining condition change

In restarting automatic operation after a machining program or machining conditions are changed or manual intervention is performed while the automatic operation is suspended, a machining path based on simulated operation is drawn to check the change for correctness. A drawing path of an unmachined part is reconstructed by, for example, recalculating a check drawing path at or behind a program stop position, and the reconstructed drawing path is redrawn.. ... Fanuc Corporation

08/13/15 / #20150227131

Numerical controller having command path compression function

A numerical controller extracts a subsequence from a sequence of command points obtained from a machining program in a manner such that the same path may be created regardless of whether the sequence of command points is extracted from the commanded direction or from the reverse direction. A compressed path approximated by a straight line or a curve is created in a manner such that the compressed path may be approximated by the same straight line or curve regardless of whether the compressed path is created from the extracted subsequence in a commanded direction or in the reverse direction.. ... Fanuc Corporation

08/13/15 / #20150227129

Numerical controller

A numerical controller is configured to move a tool in synchronism with rotation of a workpiece, thereby controlling a machine tool configured to perform thread cutting, and comprises a cutting amount variation setting unit for previously setting the size of a variation of a cutting amount during the thread cutting. The cutting amount variation setting unit periodically changes the cutting amount based on a preset variation during the thread cutting.. ... Fanuc Corporation

08/13/15 / #20150224691

Fixed platen of injection molding machine

A fixed platen of an injection molding machine is constituted by a mold mounting portion, a tie bar support portion disposed to be spaced apart from the mold mounting portion, and a load transmitting portion that connects the mold mounting portion with the tie bar support portion. Furthermore, the load transmitting portion is constituted by a cross-shaped connecting portion, and an extension connecting portion that extends along the outer circumferential portion of the mold mounting portion.. ... Fanuc Corporation

08/13/15 / #20150224649

Robot system using visual feedback

The robot system includes: a robot for performing predetermined operations on an object placed at a first object position; a first robot position storage configured to store the position of an arm end arranged in a predetermined positional relationship relative to the first object position; a target arrival state data storage configured to store feature quantities of the object on the camera image; a robot movement amount calculator configured to calculate the amount of movement in order to make the feature quantities of the object placed at a second object position coincide with the feature quantities of the target arrival state data; and a correction data calculator configured to calculate correction data based on the difference between the second robot position when the arm end has been moved based on the amount of movement and the first robot position.. . ... Fanuc Corporation

08/06/15 / #20150222160

Cooling device for electric motor and electric motor

A cooling device for an electric motor, comprising a cover which has a cylindrical-shaped main part which can house the electric motor, and a fan motor which is attached to the main part so as to blow air to the inside of the main part. The cover further has an abutting part which protrudes from an inside periphery of the main part and can abut against the electric motor. ... Fanuc Corporation

08/06/15 / #20150222076

Gas laser system re-activatable without any damage within short time during recovery of power supply

A gas laser system including a laser oscillator including a device which needs a predetermined standby time until normally starting an operation after stopping an operation due to reduction of a power supplied from a power source unit, a controller, a power reduction detection unit, and a nonvolatile storage unit storing time data of a first time point when the reduction of the supplied power is detected by the power reduction detection unit. The controller calculates an operation stop time of the device, based on time from the first time point to a second point time when a next system activation command is output, and inhibits operation resumption of the device when the operation stop time is within a predetermined standby time.. ... Fanuc Corporation

08/06/15 / #20150220067

Motor control apparatus for correcting interpolation error of position detector

A motor control apparatus comprises a position detector for detecting the position of a rotor of a motor, a speed detection unit for calculating a speed detection value based on a position detection value detected by the position detector, a speed command generation unit for generating a speed command which commands a rotation speed of the rotor of the motor, a correction amount calculation unit for calculating a correction amount based on the position detection value detected by the position detector, a correction processing unit for correcting the speed detection value by using the correction amount, and a torque command generation unit for generating a torque command which commands a rotational torque of the motor based on the speed command and the speed detection value corrected by the correction processing unit.. . ... Fanuc Corporation

08/06/15 / #20150219713

Electronic device having function of detecting degradation of printed circuit board

An electronic device including a printed circuit board has a degradation detection circuit that detects degradation of the printed circuit board at a plurality of different degradation levels, and a warning output unit that outputs a warning in accordance with the degradation level detected by the degradation detection circuit.. . ... Fanuc Corporation

08/06/15 / #20150219435

Magnetic detector equipped with rotor including signal generation unit

A magnetic detector includes a rotor including a signal generation unit in a surface perpendicular to a rotary shaft and configured to rotate around the rotary shaft, and a detection unit configured to detect a rotational angle of the rotor by using magnetism via the signal generation unit. A plurality of concave and convex portions of the signal generation unit is formed by electroforming or sintering. ... Fanuc Corporation

08/06/15 / #20150219109

Electronic apparatus with fan motor

If a fan motor in a stopped state remains stopped even when it is powered on, restart processing of the fan motor is carried out by rotating the fan motor forward and backward. If the fan motor rotates as a result of the restart processing, an indication to prompt replacement of it is displayed. ... Fanuc Corporation

07/30/15 / #20150214691

Gas laser system capable of maintaining laser gas state during power supply cutoff

A gas laser system including: a laser oscillator; a power supply unit for supplying power to the laser oscillator; a power storage unit for storing the power supplied from the power supply unit; a power reduction detection unit for detecting a power reduction state where a value of the power supplied from the power supply unit falls below a power value enabling the laser oscillator to normally operate; and a control unit for controlling the gas supply and discharge unit by using the power stored in the power storage unit so as to seal the gas flow path, when the power reduction detection unit detects the power reduction state.. . ... Fanuc Corporation

07/30/15 / #20150212513

Numerical control device

A numerical control device for controlling a machine tool while sequentially reading out an nc program from a host computer includes an external program invoking unit configured to invoke an encrypted nc program, a communication setting information storing unit configured to store setting information for communicating with the host computer, an nc program acquisition determining unit, an encrypted nc program acquisition request transmitting unit, an encrypted nc program decrypting unit, and an nc program display prohibiting unit.. . ... Fanuc Corporation

07/30/15 / #20150212496

Servomotor control device and production system equipped with the control device

A servomotor control device includes a servomotor control circuit for controlling an inverter such that an alternating current is supplied to a servomotor when receiving a safety signal, and for controlling the inverter such that the alternating current is not supplied to the servomotor when not receiving the safety signal, and a servomotor monitoring circuit for stopping the servomotor by stopping transmission of the safety signal to the servomotor control circuit when determining to stop the servomotor, and for stopping the servomotor by disconnecting supply of a direct current to the inverter with a power source disconnect circuit and stopping the transmission of the safety signal to the servomotor control circuit when determining that at least one of the power source disconnect circuit, the safety signal, and the servomotor control circuit is not normal.. . ... Fanuc Corporation

07/30/15 / #20150211898

Reflective optical encoder having resin-made code plate

A reflective optical encoder, which is inexpensive and is compact in the axial direction thereof. An encoder has a generally circular code plate fixed to a rotating body such as a rotation shaft of a motor; and a light emitting unit and a light receiving unit which are positioned near a first major surface of the code plate. ... Fanuc Corporation

07/30/15 / #20150209963

Robot programming apparatus for creating robot program for capturing image of workpiece

A robot programming apparatus includes a virtual space creation unit for creating a virtual space that expresses a work space in three dimensions; a target portion designation unit for designating a target portion whose image is to be captured by an image pickup device, on a workpiece model arranged in the virtual space; a position determination unit for determining at least one position of the image pickup device for capturing the image of the target portion in the virtual space; a position storage unit for storing the at least one position of the image pickup device; and an image pickup program creation unit for creating an image pickup program to be taught to a robot so that the image pickup device captures the image of the target portion according to the at least one position of the image pickup device stored in the position storage unit.. . ... Fanuc Corporation

07/30/15 / #20150209928

Rotation table

A rotation table that includes therein a rotation axis, a work placement table connected to one end of the rotation axis, a clamping device configured to hold the work placement table at a stop position, and a switching valve configured to switch the clamping device. The rotation table includes a member, to connect the clamping device and the switching valve to each other, having a pressure fluid supply flow passageway formed therein, so that the clamping device and a flow passageway of the switching valve communicate with each other.. ... Fanuc Corporation

07/30/15 / #20150209926

Workpiece positioning device positioning workpiece at two reference surfaces

A workpiece positioning device (1) includes a first positioning block (bx) positioning one surface of a workpiece at a first reference surface in a first direction, two second positioning blocks (by1, by2) positioning a different surface of the workpiece at a second reference surface in a second direction, seat blocks (bz1, bz2, bz3) positioning the workpiece in a third direction perpendicular to the first direction and the second direction, a push cylinder (30) pressing the workpiece in one direction toward an intersection line between the first and the second reference surface, a first unit (10) contacting with the one surface of the workpiece and correcting a posture of the workpiece before the first positioning block contacts with the workpiece, and a second unit (20) contacting with the different surface of the workpiece and correcting the posture of the workpiece before the second positioning blocks contact with the workpiece.. . ... Fanuc Corporation

07/30/15 / #20150209924

Tool exchanger

A tool exchanger includes a variation detection unit configured to detect a variation periodically generated by turning operation of a turret; and a turret phase detection unit configured to set a tool indexing reference phase of the turret based on a detection result from the variation detection unit.. . ... Fanuc Corporation

07/30/15 / #20150209891

Spot welding system for managing electrode inspection and robot used therefor

A spot welding system includes a plurality of robots each including a spot welding gun and an inspection management device for managing an electrode inspection to be executed in each of the robots, for inspecting electrodes of the spot welding gun. Each robot includes an inspection execution unit for selectively executing one of different electrode inspections. ... Fanuc Corporation

07/23/15 / #20150207390

Motor provided with noncircular stator core, apparatus for production of motor, and method for production of motor

A motor which reduces the manufacturing cost while able to reduce the cogging torque. The stator core is provided with a first core sheet and a second core sheet which is stacked with the first core sheet so that its rolling direction becomes a direction rotated from the rolling direction of the first core sheet by exactly an angle of an odd multiple of 360°/(number of poles of motor×2). ... Fanuc Corporation

07/23/15 / #20150205282

Numerical control device of machine tool

A numerical control device comprising an acceleration/deceleration characteristic acquisition part which acquires predetermined acceleration/deceleration characteristic information showing a correspondence between a command speed and a maximum acceleration of a spindle, a rotation amount acquisition part which acquires predetermined rotation amount information showing the rotation amount of the spindle for a period from when feed operation of the spindle is started to when a tapping tool reaches a bottom of the hole of a workpiece, a machining time calculation part which calculates a correspondence between the command speed and a machining time required to reach the rotation amount, based on the acceleration/deceleration characteristic information and the rotation amount information, and a speed determination part which determines an optimum value of the command speed for minimizing the machining time, based on the correspondence calculated by the machining time calculation part.. . ... Fanuc Corporation

07/23/15 / #20150202814

Controller for injection molding machine having function of reducing synchronous errors

A controller for an injection molding machine is provided with a pressure control unit configured to calculate speed command values for a plurality of injection motors, a synchronous error detection unit configured to detect a synchronous error in position between the injection motors, a synchronous error correction unit configured to calculate a correction amount for a speed command value as a synchronous-error-correction manipulated variable for reducing the synchronous error, and a speed control unit configured to control the speeds of the injection motors based on a post-correction speed command value obtained by correcting the calculated speed command value from the pressure control unit by the synchronous error correction unit.. . ... Fanuc Corporation

07/23/15 / #20150202776

Data generation device for vision sensor and detection simulation system

A data generation device and a detection simulation system, capable of executing offline simulation using a vision sensor, without calibration for associating the vision sensor with the robot. The device has: a placing part which places three-dimensional models of a robot, a vision sensor and an object in a virtual space; a robot placement position designating part and a vision sensor placement position designating part which designate placement positions of the robot and the vision sensor in the virtual space, respectively, based on a reference coordinate system defined in the virtual space; a placement position storing part which stores the placement positions; a positional relationship calculating part which calculates a positional relationship between a robot coordinate system and a sensor coordinate system; and a positional relationship storing part which stores the positional relationship as data used in a detection process of the vision sensor.. ... Fanuc Corporation

07/23/15 / #20150202728

Adjustment mechanism for rotation runout and dynamic balance of rotating tool

A tool holder holding a rotating tool can be sucked in a direction of a rotational axis of a spindle and a direction perpendicular to the direction of the rotational axis, using a chuck. A projection is provided on an outer peripheral surface of the tool holder, and caused to collide against another projection with the spindle kept rotating, to displace the tool holder. ... Fanuc Corporation

07/23/15 / #20150202704

Working fluid supply control apparatus for wire electric discharge machine

A working fluid supply control apparatus for a wire electric discharge machine including a first pump supplying a working fluid through an upper nozzle and a second pump that supplies the working fluid through a lower nozzle independently of each other is provided. A supply amount of the working fluid supplied through the first pump is controlled such that the actual pressure of the working fluid supplied through the upper nozzle follows a preset target value. ... Fanuc Corporation

07/23/15 / #20150202703

Processing liquid ejection device of wire electrical discharge machine

A processing liquid ejection device of a wire electrical discharge machine includes: a processing liquid ejection portion; a holding portion of which the diameter decreases as the holding portion approaches the processing liquid ejection portion; and an angle changing member that is provided in a connection portion between the processing liquid ejection portion and the holding portion so as to change the relative angle between the processing liquid ejection portion and the holding portion.. . ... Fanuc Corporation

07/16/15 / #20150198945

Remote monitoring system for distant location robot

A robot remote monitoring system (6) which monitors at least one robot (10) at a distant location including at least one robot control device (11), a data server (20), and a mobile terminal (30), wherein a robot control device includes a memory part (14) which stores monitoring information which includes an operating state of the robot and alarm information and attribute information which is linked with the monitoring information and a transmitting part (15) which transmits the monitoring information and the attribute information to the data server together, the data server includes a transmitting part (21) which transmits the monitoring information and the attribute information to the mobile terminal together, and the mobile terminal includes a memory part (33) which stores the monitoring information and the attribute information and a display part (34) which uses the attribute information as the basis to display the monitoring information all together.. . ... Fanuc Corporation

07/16/15 / #20150197052

Mold clamping force setting device and mold clamping force setting method of injection molding machine

A distortion sensor is provided on each of a plurality of tie bars and the extension amount of each tie bar is detected by the distortion sensor thereof, whereby a mold clamping force actually applied to a mold is measured. This measurement specifies the part of the mold that first opens and obtains a minimum mold clamping force that does not open the mold in that part. ... Fanuc Corporation

07/16/15 / #20150196964

Wire electric discharge machine

A primary power supply charges a capacitor by turning on a switching element and, upon completion of charging, turns off the switching element. Then, an ac pulse voltage is applied to the gap between a wire electrode and a workpiece by alternately turning on and off a switching element present in a secondary power supply. ... Fanuc Corporation

07/09/15 / #20150194922

Motor drive device including insulation deterioration detection function and insulation resistance detection method of motor

A motor drive device of the present invention includes: a rectification circuit configured to rectify an ac voltage; a power source unit configured to smooth a dc voltage by a capacitor; an inverter unit configured to drive a motor by converting a dc voltage into an ac voltage; a current detection unit configured to measure a current flowing through a resistor which is connected to a coil of the motor and the capacitor; a voltage detection unit configured to measure a value of a voltage across the capacitor; a second switch that grounds the capacitor; and an insulation resistance detection unit configured to detect an insulation resistance value of a motor by using two sets of a current value and a voltage value measured in two states where the second switch is turned off and turned on.. . ... Fanuc Corporation

07/09/15 / #20150194921

Motor control device capable of switching between application and non-application of magnetic flux control

A motor control device that controls an exciting current and a torque current separately from each other, and drives an induction machine includes: a first exciting current command generating unit that generates a first exciting current command in accordance with a speed and torque command; a second exciting current command generating unit that includes a magnetic flux control unit generating a second exciting current command by using a difference between a first exciting current command and a magnetic flux estimation value, and a magnetic flux estimating unit generating a magnetic flux estimation value from the second exciting current command, the second exciting current command generating unit outputting a second exciting current command; and a switching unit that selects one of a first exciting current command and a second exciting current command in accordance with a control mode or external information.. . ... Fanuc Corporation

07/09/15 / #20150190897

Tool changer with cover means

A tool changer comprises a turret with a plurality of grips for holding tools such that the turret is turned to index a desired tool to change the tools. The front and rear surfaces of the turret are covered by front and rear covers, respectively. ... Fanuc Corporation

07/02/15 / #20150188369

Rotor of electric motor with magnet holding structure and electric motor including the rotor

A rotor of an electric motor includes a plurality of magnets arranged in a circumferential direction. The rotor includes a holding member mounted concentrically with the rotor and on a radially outside of the magnets so as to hold the magnets. ... Fanuc Corporation

07/02/15 / #20150186556

Tool gravity center position estimation device and machine tool

A value of shape data is calculated from moment of inertia and weight data of a tool, a relational expression between shape data and tool moment of inertia in a predetermined tool shape model, and a relational expression between the shape data and tool weight in the tool shape model to estimate a shape of the tool, and a gravity center position of the tool is calculated based on the estimated tool shape.. . ... Fanuc Corporation

07/02/15 / #20150183117

Object conveyance system including retracting device

An object conveyance system includes a robot disposed outside a dangerous area, and an object gripping mechanism unit fitted to a leading end of the robot and configured to enter into the dangerous area. The object gripping mechanism unit is configured to take out an object present inside the dangerous area to an outside of the dangerous area, and set the object present outside the dangerous area inside the dangerous area. ... Fanuc Corporation

07/02/15 / #20150183114

Robot system having wireless acceleration sensor

A robot system capable of effectively transmitting acceleration data from a wireless acceleration sensor to a robot controller. The acceleration sensor has a time series number adding part which adds a number representing time series of the acceleration data of the robot, a data set generating part which generates a data set including acceleration data in a plurality of periods of time, and a first wireless communication part which transmits the data set to the robot controller by radio. ... Fanuc Corporation

07/02/15 / #20150183039

Wire electrical discharge machine, machining path generator of wire electrical discharge machine, and machining method for use in wire electrical discharge machine for performing path compensation in concave arc corner portion

In the case where the shape of a machining path generated by analyzing a machining program includes a concave arc corner portion, the machining path is compensated by inserting a path leading from the end point to the start point of the concave arc along a path inside the concave arc and leading from the start point to the end point of the concave arc on the concave arc again.. . ... Fanuc Corporation

07/02/15 / #20150183038

Wire electric discharge machine and machining pass generating apparatus for wire electric discharge machine

A key groove is cut in the center along a machining route with a wire electrode and machined to a key bottom surface of the key groove. When the machining reaches the key bottom surface of the key groove, the key groove bottom surface is machined to the left in the figure. ... Fanuc Corporation

06/25/15 / #20150180291

Rotor of electric motor which has magnets, electric motor, and method of production of rotor

In the rotor of the present invention, each magnet has an inward part adjoining the rotor core and an outward part positioned outward of the inward part in a radial direction of the rotor core. The outward has a facing surface which faces a stator and a pair of side surfaces which extend from two end parts of the facing surface in a circumferential direction toward the inward part. ... Fanuc Corporation

06/25/15 / #20150177739

Processing information acquisition system in processing machine supplying processing point with energy or material

A processing information acquisition system in a processing machine which feeds a processing point energy or material, the processing information acquisition system provided with a position information acquisition unit which acquires position information of a feed unit of energy or material, a feed rate control unit which receives a feed condition command of energy or material, converts the feed condition command to a control command which controls a feed of energy or material, and uses the converted control command to control a feed rate of energy or material from the feed unit, a feed rate estimation unit which acquires the control command from the feed rate control unit and calculates an estimated feed rate of energy or material which is fed to a processing point based on the control command, and an output unit which outputs the position information which the position information acquisition unit acquired and the estimated feed rate which the feed rate estimation unit calculated when the feed unit is located at a position corresponding to the position information.. . ... Fanuc Corporation

06/25/15 / #20150177728

Numerical controller for smoothing tool path in operation based on table format data

Positions to be synchronized with a reference value are stored as command data in table format. Velocity changing points of a tool path designated by the table format data are calculated. ... Fanuc Corporation

06/25/15 / #20150177727

Numerical controller provided with function of correcting displacement error caused by work

A numerical controller uses a work lattice region setting unit and a rotation axis work lattice region setting unit to form lattice points for error correction and uses a work-caused translation correction amount setting unit to set a correction amount of a work-caused translation error. A work-caused translation correction amount calculation unit calculates a correction amount at a tool center point position, and a correction section of the numerical controller adds the work-caused translation correction amount to positions of three commanded linear axes for error correction.. ... Fanuc Corporation

06/25/15 / #20150177726

Numerical controller enabling input of relative tool direction to workpiece

A numerical controller controls a five-axis machining machine that machines a workpiece attached to a table with three linear axes and two rotary axes. The numerical controller inputs a relative tool direction that represents a relative position of the tool direction with respect to the workpiece after the rotary axes are moved by a manual operation, as a vector, roll-pitch-yaw angles, or euler angles. ... Fanuc Corporation

06/25/15 / #20150177725

Numerical control system

In a numerical control system in which a numerical controller is connected with a plurality of amplifiers via a daisy-chain serial bus, these amplifiers are grouped into a first group and a second group, and connected in an order of the amplifiers of the first group and the amplifiers of the second group from the numerical controller. Further, a communication cycle in the communication between the numerical controller and the amplifiers of the second group is set n times (n is an integer of 2 or larger) as large as a communication cycle of the first group.. ... Fanuc Corporation

06/25/15 / #20150177724

Safety communication system using io units communicating with a plurality of cpus

In a communication system in which a numerical controller and io units each having a communication controller are connected, communication data is transmitted and received between the numerical controller and the communication controller of the io units. The communication controller returns the communication data to the numerical controller when an id contained in the communication data received from the numerical controller matches an id set to an id setting unit of the communication controller.. ... Fanuc Corporation

06/25/15 / #20150177090

Machine tool having numeric control device

A machine tool having a numeric control device is configured such that a storage unit of the numeric control device stores a weight and a position of a center of gravity of a fixed unit and a movable unit of the machine tool, and the position of the center of gravity of the entire set including the machine tool and the load is calculated using the weights and the positions of the center of gravity, the weight and the position of the center of gravity of the load, and a relative position of the movable unit of the machine tool.. . ... Fanuc Corporation

06/25/15 / #20150177084

External force judgment method and external force judgment device of human-collaborative industrial robot

An external force judgment method including a reference value acquisition step of acquiring a reference value of a relative position or angle of a second member with respect to a first member when a robot on which no external force is acting or on which a known external force is acting is assumed to be operated by a predetermined command in advance; a measured value acquisition step of acquiring a measured value of a relative position or angle of the second member with respect to the first member when the robot is operated by the predetermined command; and a judgment step of judging the presence or absence of an external force acting on the robot based on a difference between the reference value and the measured value and a predetermined threshold value.. . ... Fanuc Corporation

06/25/15 / #20150177026

Optical encoder including stationary slit part having elastic structure

An optical encoder includes a light emitting part for emitting light, a stationary slit part and a rotational slit part which allow part of the light emitted from the light emitting part to pass therethrough, a light receiving part for detecting the light passing through the stationary slit part and the rotational slit part, and a support for supporting the stationary slit part. The stationary slit part incudes a patterned portion in which a plurality of slits for allowing light to pass therethrough are formed, a fixed portion fixed to the support, and an elastic structure which is elastically deformable and provided between the patterned portion and the fixed portion.. ... Fanuc Corporation

06/25/15 / #20150174805

Injection molding machine including position detector of die opening/closing device

A position detector detects the position of a die opening/closing device on a machine frame of an injection molding machine. A shielding object is provided between the position detector and an oil scattering source of a mechanical section of the injection molding machine.. ... Fanuc Corporation

06/25/15 / #20150174771

Human-cooperative industrial robot including protection member

A human-cooperative industrial robot having a base unit and a movable unit movably provided on or above the base unit. The robot includes a protection member composed of a material with a rigidity lower than rigidities of the base unit and the movable unit, the protection member covering a circumference of at least the movable unit of the base unit and the movable unit; and a detector provided on at least either the base unit or the movable unit to detect an external force input through the protection member.. ... Fanuc Corporation

06/25/15 / #20150174680

Processing information acquisition system in processing machine supplying processing point with energy or material

A processing information acquisition system in a processing machine which feeds a processing point energy or material, the processing information acquisition system provided with a position information acquisition unit which acquires position information of a feed unit of energy or material, a feed rate control unit which receives a feed condition command of energy or material, converts the feed condition command to a control command which controls a feed of energy or material, and uses the converted control command to control a feed rate of energy or material from the feed unit, a feed rate estimation unit which acquires the control command from the feed rate control unit and calculates an estimated feed rate of energy or material which is fed to a processing point based on the control command, and an output unit which outputs the position information which the position information acquisition unit acquired and the estimated feed rate which the feed rate estimation unit calculated when the feed unit is located at a position corresponding to the position information.. . ... Fanuc Corporation

06/18/15 / #20150171722

Linear drive unit having linear motor and machine tool

A linear drive unit and a machine tool having the linear drive unit, capable of being applied to various applications, while taking into consideration the balance between the thrust force and the cogging of a linear motor. The linear drive unit has a magnetic gap changing mechanism which is configured to change a magnitude of a magnetic gap between a coil and a magnet, by displacing at least one of the coil and the magnet so that the coil and the magnet approach or are separated from each other.. ... Fanuc Corporation

06/18/15 / #20150171689

Motor, production method for motor and turbo-blower apparatus

A motor including: a stator core extending in a direction of an axis line constituting a rotation center; a stator coil formed by winding a winding wire on the stator core; and a resin mold unit of a substantially cylindrical shape centered on the axis line, the resin mold unit covering an end portion in the direction of the axis line of the stator coil, the motor being configured to supply a coolant to a surface of the resin mold unit. The motor is arranged so that the axis line is directed in a substantially vertical direction, and the resin mold unit includes a spiral groove portion entered on the axis line at least either an inner circumferential surface or an outer circumferential surface of the resin mold unit.. ... Fanuc Corporation

06/18/15 / #20150168944

Numerical controller instructing a plurality of axes using a single instruction

In a numerical controller, a control table including the coefficient of an instruction pulse for each axis is stored and an instruction is provided for each axis of a machine based on the instruction pulse and the coefficient of the instruction pulse with reference to the control table. This eliminates the need for having a number of pulse generators and control cables corresponding to the number of motors, thereby providing a numerical controller with reduced hardware.. ... Fanuc Corporation

06/18/15 / #20150168941

Numerical control device with servo-output delay unit

A manual pulse generator stores pulse data for past several cycles, along with an up-to-date pulse, into its buffer area. A numerical control device receives the pulse data transmitted from the manual pulse generator through a communication unit. ... Fanuc Corporation

06/18/15 / #20150168180

Optical encoder having stationary slit part made of resin

An optical encoder includes a light emitting part for emitting light, a stationary slit part and a rotational slit part which allow part of the light emitted from the light emitting part to pass therethrough, and a light receiving part for detecting the light passing through the stationary slit part and the rotational slit part, in which the stationary slit part is made of resin. The optical encoder also includes a support for supporting the stationary slit part, and the stationary slit part is fixed to the support by adhesive.. ... Fanuc Corporation

06/11/15 / #20150160647

Parameter adjustment support device having function for supporting parameter adjustment

A parameter adjustment support device configured to effectively adjust an acceleration/deceleration parameter of a drive axis, even when an operator thereof is inexperienced. The support device includes: an actual acceleration/deceleration characteristic obtaining part which obtains an actual acceleration/deceleration characteristic curve relating to a velocity and an acceleration of the drive axis, from a numerical controller or an external storing device; a parameter setting part which sets or changes the parameter based on an external input; an acceleration/deceleration characteristic displaying part which generates a commanded acceleration/deceleration characteristic curve relating to the velocity and the acceleration of the drive axis based on the setup or updated parameter, and contrastively displays the obtained actual curve and the generated commanded curve; and a setting information outputting part which outputs the setup or updated parameter to the numerical controller.. ... Fanuc Corporation

06/11/15 / #20150159675

Fan unit including vibration suppressing structure and electric motor

A fan unit (2) includes a fan housing (3), a fan motor (5) provided in the fan housing, and a partition plate (4) that is attached to a partition plate attachment surface (6a) of the fan housing and that regulates air flow from the fan motor. A protrusion portion (7) is provided on the partition plate attachment surface of the fan housing.. ... Fanuc Corporation

06/11/15 / #20150158226

Heating cylinder protection cover of injection molding machine

A heating cylinder protection cover that covers an entire circumference of a heating cylinder of an injection molding machine is configured from a plurality of protection cover members. Cutouts for cable passing section formation are provided in one or both of a pair of cover members joined to each other among the plurality of protection cover members. ... Fanuc Corporation

06/04/15 / #20150153713

Servo control system for grinding inclined surface

Servo control system includes a first repeat control unit for a first servo motor based on a reference angle and a first position error between a swing command and a position of the first servo motor, a multiplication unit which multiplies the swing command by a ratio according to a tilt angle of an inclined surface of a material to be ground to calculate a swing command after multiplication, and a second repeat control unit for a second servo motor based on a reference angle and second position error between the swing command after multiplication and a position of the second servo motor. The first and the second position error are respectively corrected, and driving of the first and the second servo motors are controlled based on the corrected first and second position error, thereby grinding the inclined surface of the material.. ... Fanuc Corporation

06/04/15 / #20150151381

Controller of laser machining device and controlling method for reducing approach time

A controller of a laser machining device according to the present invention includes a positioning completion determining part for determining whether or not positioning of the nozzle is completed, a completion expectation determining part for determining whether or not the completion of the positioning of the nozzle can be expected, and a subsequent process determining part for determining whether or not a subsequent process can be carried out in the state where the completion of the positioning of the nozzle is expected. If the subsequent process can be carried out when the completion of the positioning of the nozzle is only expected, the subsequent process is carried out immediately when it is determined that the completion of the positioning of the nozzle can be expected. ... Fanuc Corporation

05/28/15 / #20150147422

Injection molding machine for continuing operation in event of power outage

In an injection molding machine, a control instruction value change unit decreases a control instruction value for each axis when a power outage is detected by a power outage detection unit and returns the control instruction value for each axis to an original value when a power recovery is detected by the power outage detection unit.. . ... Fanuc Corporation

05/28/15 / #20150146398

Motor driving device with printed board including insulating component mounted thereon

A motor driving device including a printed board on which an insulating component is mounted. The insulating component integrally includes a plate-shaped insulation part formed by a heat resistant resin having an electrical insulation property, and a plate-shaped adhesive part provided at an end portion of the insulation part and formed by a thermoplastic resin having an electrical insulation property, and the insulating component is adhered to a surface of the printed board by thermal welding by heating and melting the adhesive part.. ... Fanuc Corporation

05/28/15 / #20150146374

Motor drive unit with heat sink dealing with drop of cutting fluid

A motor drive unit includes a housing in which a heat sink and at least one electronic component to be cooled by the heat sink are disposed. An end of the heat sink which is opposite to the electronic component is inclined relative to a horizontal plane so as to prevent a cutting fluid dropping from the heat sink from falling onto another electronic component located below the heat sink.. ... Fanuc Corporation

05/28/15 / #20150145523

Power conversion device including abnormality detection function of lc filter

The power conversion device includes an ac power source, a power conversion unit, and an lc filter unit arranged between the ac power source and the power conversion unit, and the lc filter unit has a temperature detection element provided in one part or in a plurality of parts configuring the lc filter unit, and the power conversion unit has a temperature detection unit configured to receive temperature data detected by the temperature detection element and a determination unit configured to calculate temperature rise values of one or plurality of parts, or temperature differences between the plurality of parts based on the temperature data received by the temperature detection unit and to determine whether or not there is an abnormality in the lc filter unit in accordance with the calculation result.. . ... Fanuc Corporation

05/28/15 / #20150145465

Servo controller having function for reducing dropping when braking

A servo controller having a function for reducing an amount of dropping of a gravity axis provided with a machine. The servo controller is configured to control a servomotor for driving a gravity axis of the machine, and includes a brake signal outputting part configured to output a brake activation signal and a brake release signal to a mechanical brake for holding the gravity axis; a torque command generating part which generates a torque command value for controlling the position of the servomotor; and a torque limiting value generating part which generates a torque limiting value for limiting the torque command value. ... Fanuc Corporation

05/28/15 / #20150145460

Motor controller having abnormality detection function of power transmission unit between motor and main shaft

A motor controller includes: a motor rotation angle acquisition unit acquiring the rotation angle of the motor; a main shaft rotation angle acquisition unit acquiring the rotation angle of the main shaft; a one-rotation signal acquisition unit acquiring a one-rotation signal output every time the main shaft rotates once; a motor rotation speed calculation unit calculating the rotation speed of the motor from the rotation angle of the motor; a main shaft speed calculation unit calculating the rotation speed of the main shaft from the rotation angle of the main shaft; and an abnormality determination unit in which, when a change amount of the rotation angle of the motor or when the difference between the rotation speed of the motor and the rotation speed of the main shaft deviates from a second range, it is determined that an abnormality has occurred in the power transmission unit.. . ... Fanuc Corporation

05/28/15 / #20150145366

Rotor having resin holes for filling resin and method of producing a rotor

A rotor which can raise the axial direction strength near the end edges outside of the rotor core in the radial direction. The rotor comprises a shaft, a rotor core which has a plurality of magnetic steel sheets and is fastened to the shaft, and a plurality of magnets which are arranged inside of the rotor core. ... Fanuc Corporation

05/28/15 / #20150145193

Object fastening device for fastening object to receiving part, machine tool, robot, and method of fastening object to receiving part

An object fastening device which can prevent foreign matter from ending up damaging an object when confirming the object is properly seated, which object fastening device is provided with a receiving part, a pushing part which pushes the object against the receiving part, a first drive part which makes the pushing part generate a first force, a second drive part which is provided separate from the first drive part and makes the pushing part generate a second force which is smaller than the first force, and a foreign matter detecting part which detects foreign matter which is interposed between the object and receiving part while the second drive part is being used to cause the pushing part to push the object against the receiving part.. . ... Fanuc Corporation

05/28/15 / #20150144599

Wire electric discharge machine

A wire electric discharge machine configured to perform machining while swinging a wire electrode and comprising a swing frequency counting unit configured to count a swing frequency of the wire electrode, a machining stop unit configured to stop machining by the wire electrode when the swing frequency reaches a predetermined value, and a machining resuming unit configured to drive an axis drive unit to move the wire electrode by a predetermined distance relative to a workpiece after the machining is stopped by the machining stop unit and thereafter to return the wire electrode to a position where the machining is stopped and resume the machining.. . ... Fanuc Corporation

05/21/15 / #20150142166

Numerical control device having function of simultaneously executing plurality of commands using data in table format

In a numerical control device, a command read out unit sequentially reads out time or a position of an axis or a spindle which is a reference and a position of a different axis or spindle from the axis or the spindle which is the reference or an auxiliary function that are stored in a storage unit. A selection unit selects a processing unit that processes a command which is read out by the command read out unit on the basis of a definition set by a definition unit. ... Fanuc Corporation

05/21/15 / #20150142164

Machine tool for chamfering and chamfering method

After a z-axis on which a chamfering tool is mounted is located in a machining position for chamfering, two orthogonal axes (x- and y-axes) perpendicular to the z-axis are positioned to be ready for the chamfering. The z-axis is compensated simultaneously with the x- and y-axes in accordance with a machining path in a machining program, based on tool data, whereby the entire cutting edge of the chamfering tool can be used for each chamfering cycle. ... Fanuc Corporation

05/21/15 / #20150140148

Controller for injection molding machine

In a molding cycle, one process (intermediate process) is provided between an injection process and a packing process, and conditions for switching from the injection process to the intermediate process and switching from the intermediate process to the packing process are set individually. In the intermediate process, an injection pressure is detected and a target pressure is obtained based on the injection pressure. ... Fanuc Corporation

05/21/15 / #20150137726

Motor controller for protecting tool and object to be processed in emergency stop

A motor controller according to the present invention includes a stop cause detecting unit for detecting a stop cause by which an emergency stop of a motor is carried out, a stop command generating unit for generating a stop command that stops a tool along a command trajectory, and a retraction command generating unit for generating a retraction command that moves the tool and an object to be processed relatively with each other so that interference between the tool and the object to be processed is avoided. The motor controller is configured such that a machine tool is operated according to a superimposed command obtained by superimposing the retraction command onto the stop command when the stop cause detecting unit detects a stop cause.. ... Fanuc Corporation

05/07/15 / #20150127162

Apparatus and method for picking up article randomly piled using robot

An article pickup apparatus configured so as to set a grip unit model including a substantial region of the grip unit in an opened state and a grip region inside the substantial region, set position posture candidates of the grip unit, calculate a grip success possibility of any of the articles by the grip unit in each of the grip position posture candidates based on the position information acquired by a three-dimensional measurement instrument and the grip unit model, select position posture candidates from the position posture candidates based on the grip success possibility and setting as a grip unit position posture, and control the robot so as to move the grip unit to the grip unit position posture to pick up any of the articles.. . ... Fanuc Corporation

05/07/15 / #20150127161

Apparatus and method for picking up article randomly piled using robot

An article pickup apparatus configured so as to measure surface positions of articles by a three-dimensional measurement instrument to acquire position information of three-dimensional points, calculate a density distribution indicating a degree of a distribution of the three-dimensional points in a three-dimensional space based on the measured position information, calculate a density local maximum position where a density is locally maximized based on the density distribution, calculate a hand position posture which is a position and a posture of the hand capable of picking up an article at the density local maximum position based on the density local maximum position calculated, and control the robot so as to move the hand to the hand position posture to pick up the article.. . ... Fanuc Corporation

05/07/15 / #20150127136

Wire-cut electrical discharge machining machine and method of machining therein

A wire-cut electric discharge machining machine which machines an object to be machined based on a command of a machining program includes a machining condition storage unit for storing machining conditions, a machining program analyzing unit for analyzing a machining condition search command specified in the machining program and acquiring search conditions designated by the machining condition search command, a search unit for retrieving machining conditions from the machining condition storage unit based on the acquired search conditions, and a machining unit for machining based on the machining conditions chosen by the search unit.. . ... Fanuc Corporation

05/07/15 / #20150125567

Mold mounting platen for injection molding machine

In a mold mounting platen for an injection molding machine, at least one of a mold mounting member and a clamping force transmission member constituting the mold mounting platen has a central bearing surface in a central portion thereof and a peripheral bearing surface outside the central bearing surface. The amount of protrusion of the central bearing surface is larger than that of the peripheral bearing surface.. ... Fanuc Corporation

05/07/15 / #20150125563

Injection molding machine

An injection device includes a plunger that has a cylindrical portion formed in an outermost diameter. A nozzle adapter is provided with a molding material charge port. ... Fanuc Corporation

05/07/15 / #20150125303

Impeller, impeller cutting jig, and method of machining impeller

Provided is an impeller in which a through hole is provided in a center of a base member of the impeller and a plurality of recessed parts are formed on a bottom surface of the base member. Meanwhile, a jig using in a cutting work of the impeller includes a seating part having a seating surface, a shaft part is erected from a central part of the seating part and is engageable with the through hole of the impeller, and protruded parts are formed on the seating surface and are engageable with the recessed parts provided on the base-member bottom surface of the impeller.. ... Fanuc Corporation

05/07/15 / #20150124057

Apparatus and method for picking up article randomly piled using robot

An article pickup apparatus configured so as to measure surface positions of articles randomly piled on the three-dimensional space using a three-dimensional measurement instrument to acquire position information of three-dimensional points, determine a connected set made by connecting three-dimensional points present in the vicinity of each other among the three-dimensional points, and identify a position and posture of an article based on the position information of three-dimensional points belonging to the connected set. The posture of the article is identified by calculating a main component direction of the connected set by applying main component analysis to the three-dimensional points belonging to the connected set and identifying the posture of the article based on the main component direction.. ... Fanuc Corporation

05/07/15 / #20150124056

Apparatus and method for picking up article disposed in three-dimensional space using robot

An article pickup device configured so as to select a first and second three-dimensional points present in the vicinity of each other based on position information of the plurality of three-dimensional points acquired by a three-dimensional measurement instrument and image data acquired by a camera, acquire an image gradient information in a partial image region including points on an image corresponding to these three-dimensional points, judge whether the first and second three-dimensional points are present on the same article based on a position information of the three-dimensional points and the image gradient information, and add the first and second three-dimensional points to the same connected set when it is judged that the first and second three-dimensional points are present on the same article.. . ... Fanuc Corporation

05/07/15 / #20150123416

Robot hand for gripping cylindrical object and robot having the robot hand

An inexpensive and compact robot hand and a robot having the robot hand, wherein the robot hand is configured to rotate a cylindrical object gripped by the robot hand and does not negatively affect a cable, etc., connected to the robot hand. N number of fingers are moved by a first drive part so that a circumcircle of a n-sided polygon constituted by the fingers is arranged in a concentric pattern about the center axis of the object. ... Fanuc Corporation

04/30/15 / #20150119214

Fastening device, robot system, and fastening method for fastening plurality of fastening members

A fastening device enabling a plurality of fastening tools to be arranged at a plurality of fastening locations quickly. The fastening device includes a plurality of fastening tools, a movement mechanism for making the plurality of fastening tools move relative to each other, an imaging part imaging of a plurality of fastening locations, a fastening position calculating part calculating the positions of a plurality of fastening locations based on the image data, and a movement controller control the movement mechanism so as to make at least one fastening tool move so that the individual fastening tools are arranged at positions enabling the fastening members to be fastened to the corresponding fastening locations, based on the calculated plurality of fastening locations.. ... Fanuc Corporation

04/30/15 / #20150118439

Electrostatic barrier for a robotic painting system for conductive materials

A robotic electrostatic painting system includes a barrier formed from an electrical insulating material and disposed between adjacent reservoirs for holding a conductive paint used in an electrostatic painting operation. The barrier is shaped and dimensioned with a central plate and upper and lower flanges to block every straight line path between the reservoirs to electrostatically separate the reservoirs and prevent the formation of a ground path or short circuit when there is a voltage difference between the reservoirs. ... Fanuc Corporation

04/30/15 / #20150115855

Motor controller detecting abnormality of power transmission unit between main spindle and motor

A motor controller includes a single-rotation signal detector detecting a single-rotation signal that indicates a single rotation of a main spindle, a rotation angle detector detecting a rotation angle of a motor every predetermined time, and a counter adding up the rotation angle. A value of the counter is reset when the single-rotation signal detector detects the single-rotation signal of the main spindle. ... Fanuc Corporation

04/30/15 / #20150115514

Control device for machine tool including rotary indexing device

A rotary table is rotated by a machining load. A drive motor tries to return the rotary table to a positioned target position, and increases output torque. ... Fanuc Corporation

04/30/15 / #20150114936

Electric discharge machine

An electric discharge machine has a hand operation panel, which is provided with a manual pulse generator with a rotating part. The manual pulse generator generates a pulse signal corresponding to a rotation angle position of the rotating part. ... Fanuc Corporation

04/23/15 / #20150112503

Control device for automatically starting warm-up

A control device of the present invention estimates warm-up time that it takes for a warm-up of a machine based on the temperature of the machine to be warmed up and the saturation temperature that is unique to the machine. Warm-up start time is calculated based on the obtained warm-up time and predefined warm-up end time. ... Fanuc Corporation

04/23/15 / #20150112475

Numerical controller capable of specifying halt point

A numerical controller of the invention includes a halt block specifying unit that specifies, from among blocks corresponding to unmachined sections of a machining program, a command block in which halting is allowed to occur as a halt block during an automatic operation of a machine tool, a halt position selecting unit that selects, as a position at which the automatic operation is halted, any one of a start point, an intermediate point, and an end point of the halt block, and a halting unit that halts the automatic operation at a position selected by the halt position selecting unit.. . ... Fanuc Corporation

04/23/15 / #20150112474

Machining curve creating apparatus and machining curve creating method thereof

A machining curve creating apparatus create curve of a tool used to machine a workpiece by repeating a procedure of taking, as a partial point sequence, a part of a point sequence expressing the tool path and generating a partial curve. The machining curve creating apparatus includes stored-information-utilized curve generating unit for generating a partial curve utilizing segmented curve information. ... Fanuc Corporation

04/23/15 / #20150112473

Machine tool and numerical control apparatus for controlling the same

In wire-electrical discharge machine and a numerical control apparatus thereof and a numerical control apparatus for controlling a machine tool, optional minute blocks are automatically created in front of and behind a connecting point, i.e., a joint of a block to which an offset command is instructed, and an offset value is exchanged between the minute blocks so that a correct offset value is set in a desired block.. . ... Fanuc Corporation

04/23/15 / #20150112459

Numerical controller provided with program pre-reading function

A numerical controller successively pre-reads blocks of a plurality of nc programs from a memory or from a storage device connected via a network, while executing the nc programs in parallel. The execution times of the pre-read blocks are integrated in respect of all of the nc programs that are the object of pre-reading, and when an nc program having the shortest integrated execution time of the pre-read blocks can be pre-read, the next block in that nc program is pre-read. ... Fanuc Corporation

04/23/15 / #20150111710

Tool changer provided with covers

In a tool changer configured so that a turret is turned to index a desired tool to be changed, the front and rear surfaces of the turret are covered individually by covers. These covers are each formed in the shape of a truncated cone. ... Fanuc Corporation

04/23/15 / #20150108093

Wire electric discharge machine with means for detecting fluid pressure

In a wire electric discharge machine, one end of a tube filled with a pressure transmission medium is connected to a nozzle and a pressure sensor is attached to the other end of the tube by a joint outside a working fluid tank. The pressure sensor is used to detect the pressure of a working fluid ejected from the nozzle.. ... Fanuc Corporation

04/23/15 / #20150107818

Coolant supply device

In a coolant supply device that supplies a coolant for washing chips into a machine tool, an opening/closing valve that is opened or closed by the pressure of the coolant is provided in the course of a pipe line supplying the coolant ejected from a coolant ejection pump into the machine tool. Meanwhile, an on/off control is performed so that the coolant ejection pump is turned off when a first time elapses after the coolant ejection pump is turned on and the coolant ejection pump is turned on when a second time elapses after the coolant ejection pump is turned off.. ... Fanuc Corporation

04/16/15 / #20150105900

Numerical controller provided with operation setting screen

A numerical controller for controlling a machine tool is provided with a screen for operation check such that an upper limit value of the speed, on/off functions such as machine lock, enabling or disenabling of m-, s-, and t-codes, etc., can be set in a plurality of patterns, depending on check contents (or levels) on the screen.. . ... Fanuc Corporation

04/16/15 / #20150105879

Numerical controller temporarily stopping for a program call and numerical control method thereof

A numerical controller analyzes a program with a command program analysis unit, and determines a macro call or a sub program call with a macro call or sub program call determination unit. When a program stop determination unit determines that the program is to be stopped, the program stop determination unit commands a program stop requesting unit to output a program stop request to the command program analysis unit and an interpolation processing unit, thereby stopping the program.. ... Fanuc Corporation

04/16/15 / #20150105874

Numerical control device acquiring alarm information from connected io unit

When a communication abnormality detection unit in a numerical control device body detects communication abnormality in io communication, a command transmission unit transmits a command requesting for making a reply to the numerical control device body with alarm information recorded in a recording unit of each io unit simultaneously to all the io units, and only the io unit where the recording unit records the alarm information makes a reply with the alarm information.. . ... Fanuc Corporation

04/16/15 / #20150105229

Tool changer provided with covers

A tool changer configured so that a turret is turned to index a desired tool to change the tool is provided with front and rear covers that cover front and rear surfaces, respectively, of the turret. A projection or a recess, which defines a passage for chips or a cutting fluid, is formed on or in an outer peripheral portion of the rear cover. ... Fanuc Corporation

04/16/15 / #20150104538

Injection molding machine containing transformer

An injection unit and mold clamping unit are placed on a machine base of an injection molding machine. On the other hand, a transformer used to convert a voltage supplied from an external power source to a voltage necessary for the injection molding machine is placed in the machine base under the mold clamping unit.. ... Fanuc Corporation

04/16/15 / #20150104263

Machine tool

In a machine tool in which a spindle head is driven by a spindle head drive motor via a ball screw/nut mechanism, tools of different weights are each installed in the spindle head beforehand, a load torque applied to the spindle head drive motor is obtained, and relational data between the tool weight and the load torque is stored. When each tool is installed in the spindle head, the weight of the tool is estimated from, the load torque detected by a load torque detection unit while the spindle head is stopped, and the relational data between the tool weight and load torque.. ... Fanuc Corporation

04/16/15 / #20150102760

Power supplying method for injection molding machine having transformer

An injection molding machine has a first servo amplifier configured to operate with a first voltage, a second servo amplifier configured to operate with a second voltage, and a transformer which has a primary side terminal and a secondary side terminal and transforms voltages mutually in a predetermined voltage ratio. A main power supply is connected to a primary side terminal or a secondary side terminal of the transformer, depending on whether a voltage of the main power supply supplied to the injection molding machine is equal to the first voltage or the second voltage, respectively. ... Fanuc Corporation

04/16/15 / #20150102756

Controller and control method for machine tool capable of changing motion depending on motor temperature

A controller and a method for a machine tool, capable of discriminating the factors in overheating, and taking appropriate measures depending on each factor. A first amplifier of the controller has an acceleration/deceleration judging part which judges as to whether the spindle motor is accelerated or decelerated; a first temperature estimating part which estimates a first amount of change in temperature of the spindle motor when the spindle motor is in the acceleration/deceleration state; a second temperature estimating part which estimates a second amount of change in temperature of the spindle motor when the spindle motor is in the steady state; a comparing part which compares the first and second estimated values. ... Fanuc Corporation

04/16/15 / #20150102700

Electric motor capable of reducing cogging torque

An electric motor including a rotor including magnetic pole units and a stator including slots facing an outer peripheral surface of the rotor. Each of the magnetic pole units is bulged to an outside in a radial direction so that a waveform of a magnetic flux density generated from the rotor is a sine wave shape, and a concave part or convex part which is small enough to prevent changing of a waveform cycle of cogging torque determined by a least common multiple of the number of slots and the number of magnetic poles of the rotor, is formed at a central part in a circumferential direction of an outer peripheral surface in each of the magnetic pole units.. ... Fanuc Corporation

04/09/15 / #20150100611

Control device for executing control program including floating point operation command for controlling machine and method of converting floating point parameter in control program

A control device includes: a first conversion unit that converts floating point data generated by an operation of a floating point operation command into a numeric string in first format; and a second conversion unit that converts the numeric string in first format into a numeric string in second format. A character string data generation unit generates a character string data including the numeric strings in first format and in second format and outputs the character string data to an external device or an external storage medium.. ... Fanuc Corporation

04/09/15 / #20150100150

Tool trajectory display device including display unit for trajectory data

The tool trajectory display device (10) includes: a start point coordinate storing unit (13) that stores a plurality of coordinate positions of a drive shaft as start point coordinate positions; a movement amount determining unit (14) that determines a movement amount of the drive shaft from a first start point coordinate position to a second start point coordinate position; a trajectory calculation unit (15) that calculates a first actual trajectory of a tool tip point of the machine tool from the actual position based on the first start point coordinate position after adding the movement amount and the repetition portion, and that calculates a second actual trajectory of the tool tip point from the actual position based on the second start point coordinate position and the repetition portion; and a display unit (16) that superimposedly displays the first and the second actual trajectories.. . ... Fanuc Corporation

04/09/15 / #20150099031

Adjustment mechanism for movable platen

An adjustment mechanism for a movable platen of an injection molding machine is provided with a push bolt, configured to apply a force to push up the movable platen against a gravitational force, and a pull bolt, configured to apply a force to draw in the movable platen in the direction of gravity. The movable platen is adjusted by regulating its height above a base of the molding machine in a plurality of positions at different distances from a fixed platen.. ... Fanuc Corporation

04/09/15 / #20150099030

Die clamping apparatus of injection molding machine with platen adjustment mechanism

A bracket is disposed on both side surfaces of both ends of each of a rear platen side rail and a movable platen side rail. The bracket includes a screw hole. ... Fanuc Corporation

04/09/15 / #20150099026

Injection molding system capable of detecting pressure abnormality

An injection molding system includes an injection molding machine and a data management device. The injection molding machine includes an abnormality detection unit that detects an abnormality of a pressure on a resin in an injection cylinder, and the data management device includes a data storage unit that stores abnormality detection data on the resin pressure, including a resin pressure value obtained when the abnormality of the resin pressure is detected by the abnormality detection unit and the time and date of detection of the abnormality. ... Fanuc Corporation

04/09/15 / #20150097367

Cooling pipe joint for motor cooling and motor cooling device provided with cooling pipe joint

A cooling pipe joint which enables easy fine adjustment of the length of a cooling pipe which extends from the cooling pipe joint. The cooling pipe joint is provided with a base part, a fastening member which is fastened to the base part, a deforming member which is arranged between the base part and the fastening member, and a first slanted surface which slants with respect to a center axis. ... Fanuc Corporation

04/02/15 / #20150094847

Error correction amount creating device

In an error correction amount creating device that creates an error correction amount for a five-axis machine controlled by a numerical controller and having three linear axes and two rotation axes, the translation error correction amount and the rotation error correction amount for each lattice point of a lattice region into which a two-dimensional coordinate system space with the rotation axes is divided is obtained from data measured for each position of division of the respective axes and given to the numerical controller.. . ... Fanuc Corporation

04/02/15 / #20150093209

Attachment structure for main spindle and tool holder of machine tool

There is provided an attachment structure for a main spindle and a tool holder of a machine tool. The tool holder is attached to the main spindle by a tapered shank portion of the tool holder being inserted into a tapered hole formed in the main spindle of the machine tool. ... Fanuc Corporation

04/02/15 / #20150090867

Transmissive optical encoder having optical waveguide

A transmissive optical encoder includes a light emitting element, a light receiving element, a rotatable disk provided with slits and rotatable together with an object of detection, and an optical waveguide having an inlet facing the light emitting element and an outlet facing the light receiving element. The light emitting element and the light receiving element are arranged on the same side in relation to the rotatable disk. ... Fanuc Corporation

03/26/15 / #20150087487

Tool changer equipped with covers

A tool changer is equipped with a turret having plural grips for use to grip tools as well as with a front cover and rear cover adapted to cover a front face and rear face of the turret. Furthermore, a protrusion is installed on the rear cover in a neighborhood of a gap between the front cover and the rear cover, being configured to block intrusion of chips or cutting fluid into the gap between the front cover and the rear cover from a top face of the rear cover.. ... Fanuc Corporation

03/26/15 / #20150086706

Robotic cartridge dispenser and method

A system for applying sealant material from a cartridge includes a cartridge fixture storing a plurality of cartridges each cartridge including unique identification information and containing sealant material, a cartridge robot for removing a selected one of the cartridges from the fixture, and a dispense robot for receiving the selected cartridge from the cartridge robot and applying the sealant material contained therein to a workpiece. A controller is connected to the cartridge robot and the dispense robot for operating the robots and a plurality of sensors are connected to the controller for generating the unique identification information for the selected cartridge, sealant usage per workpiece, sealant dispense pressure, sealant dispense temperature; and sealant usage from the selected cartridge.. ... Fanuc Corporation

03/26/15 / #20150084447

Stator including a bracket, electric motor including a stator, and method of producing an electric motor

A method of producing an electric motor which can prevent resin from ending up leaking from an opening for lead wire use when performing a step of filling a resin in the internal space of the electric motor, provided with a step of attaching a bracket which has an opening for leading lead wires of a coil to the outside, a step of arranging a seal member which has through holes which hold the lead wires at the opening so as to tightly contact without clearance the wall surfaces which define the opening while passing the lead wires through the through holes, and a step of filling a resin in the internal space which is defined by the bracket and the stator core.. . ... Fanuc Corporation

03/26/15 / #20150084221

Injection molding machine with viscosity measuring function and method for measuring viscosity using injection molding machine

A nozzle is attached to a heating cylinder via a nozzle adapter. A sensor for pressure measurement is attached to the nozzle adapter. ... Fanuc Corporation

03/19/15 / #20150077031

Numerical control device including robot controller

A numerical control device including a numerical controller, a robot controller, a servo control module and an i/o control module connected to the numerical controller and the robot controller, and an amplifier connecting bus connecting the servo control module and a servo amplifier, and an i/o device connecting bus connecting an i/o control module and an i/o interface device. The machine-tool-side and robot-side servo amplifiers are daisy-chained and the machine-tool-side and robot-side i/o interface devices are daisy-chained.. ... Fanuc Corporation

03/19/15 / #20150076736

Control method for injection molding machine

In an injection process in which a screw or a plunger is advanced to inject a molten resin into a mold, the advance of the screw or the plunger is stopped and held just before a leading flow end of the resin reaches a gate portion, and the advance of the screw or the plunger is resumed for an injection operation after the passage of a predetermined period.. . ... Fanuc Corporation

03/12/15 / #20150073582

Numerical controller having program resuming function

A numerical controller restores internal data of an nc section, shifts to a machining resumption temporary suspension state, and passes an identification number extracted from nc section program resumption block data to a pmc section. The pmc section, when receiving the identification number, restores a signal state of the pmc section and a state of a peripheral machine section, and, when the restoration is completed, notifies the nc section of the completion of the restoration. ... Fanuc Corporation

03/12/15 / #20150072845

Tool changer for machine tool

In a tool changer, a turret can move toward and away from a spindle through a swinging movement about a swing shaft. Force applied to a turret mechanism unit at each phase in the swinging movement of the turret is calculated, and a swinging pattern of the turret is determined in accordance with the result of the calculation.. ... Fanuc Corporation

03/12/15 / #20150072844

Tool exchanger apparatus of machine tool

In a tool exchanger apparatus of a machine tool including a turret which turns around an axis inclining with respect to a vertical direction and which conveys tools, forces applied to tool gripping portions are calculated from a resultant force of a centrifugal force, gravity and an inertial force applied to each of the tools, using a weight and a position of each of the tools and a turning speed and a turning acceleration of the turret for each of turning phases when the turret turns, and the turning speed and the turning acceleration of the turret are determined for each of the turning phases.. . ... Fanuc Corporation

03/12/15 / #20150069022

Numerical control apparatus for controlling wire electric discharge machine which performs taper machining

When a z axis is moved while interrupting or continuing taper machining, a wire electric discharge machining control apparatus controls position of a uv axis by re-creating a taper deviation vector, based on a distance between upper and lower guides, such that a wire tilt angle does not change.. . ... Fanuc Corporation

03/05/15 / #20150066434

Data acquisition device for acquiring cause of stoppage of drive axis and information relating thereto

A data acquisition device includes an operational information acquiring part for acquiring operational data from a numerical control device, an active portion acquiring part for acquiring an active portion of a machining program from the numerical control device, a stopping cause acquiring part for acquiring stopping cause information representative of cause of stoppage when the drive axis is stopped, from the numerical control device, and storing part for storing the operational data, the active portion, and the stopping cause information, in association with time of their acquisition, respectively.. . ... Fanuc Corporation

03/05/15 / #20150066213

Controller having function for displaying motor load

A low-cost controller having a function for effectively displaying information of present motor output regarding the maximum output and the continuous rating output of the motor. The controller includes first and second storing parts which store first and second data, representing a relationship between a rotation frequency and a maximum output of the motor, and a relationship between the rotation frequency and a continuous rating output of the motor, respectively; first and second ratio calculating parts which calculate first and second ratios, corresponding to a ratio of one of the maximum output and the continuous rating output to the other at a present rotation frequency, and a ratio of a present actual output of the motor to the one of the maximum output and the continuous rating output at the present rotation frequency, respectively; and a displaying part which displays the first and second ratios on the same screen.. ... Fanuc Corporation

03/05/15 / #20150066203

Control unit for centralizing control by grouping a plurality of paths

The control of second to fourth paths (slave paths) is performed with reference to various settings and the sequence of the first path (master path), instead of various settings and sequences of the second to fourth paths, thus, control of all path groups is centralized by the sequence of the first path.. . ... Fanuc Corporation

03/05/15 / #20150066192

Program creating device for wire electric discharge machine

When graphic information is selected, program creating unit receives machining shape data from graphic information analysis unit and pivot axis information from rotation center storage unit. Based on the received data, the program creating unit generates a new amount of movement of a wire electrode relative to a workpiece and the amounts of rotation of pivots, used to machine the workpiece with the wire electrode held vertical.. ... Fanuc Corporation

03/05/15 / #20150061655

Magnetic sensing device using magnetism to detect position

A position signal generating part 11 has a series of a plurality of continuous projections and indentations provided with a pitch λ in the direction of the circumference of a rotating body 10. An origin signal generating part 12 has a discontinuous portion 12b that partly interrupts the continuity of the series of the plurality of projections and indentations provided with the pitch λ in the direction of the circumference of the rotating body 10. ... Fanuc Corporation

03/05/15 / #20150060339

Filtration filter of electric discharge machine

A filter outer cylinder container is a hollow container, and a filter medium is mounted in the container. Fluid passage holes, opened in a side surface member of the filter outer cylinder container, are located at or above a fixed height from a bottom portion of the filter outer cylinder container, whereby a machining liquid is stored in the filter outer cylinder container, so that the filter medium can be always submerged in the machining liquid.. ... Fanuc Corporation

03/05/15 / #20150060235

Magnet conveyance positionoing device

A magnet conveyance positioning device including a conveyance unit and an attachment device attached to the conveyance unit to move integrally with the conveyance unit. The attachment device includes a support unit abutting on a object and supporting the conveyance unit from the object, a holding unit provided movably relative to the support unit to detachably hold the magnet, and a driving unit moving the holding unit so that the magnet approaches the object in a state where the support unit is abutted on the object.. ... Fanuc Corporation

02/26/15 / #20150057789

Controller for machine tool

A machine tool controlled by a numerical controller is provided with an additional-axis composed of a tilting table and a rotary table. The controller displays, in a display section thereof, a diagram representative of an actual state in which an additional shaft is mounted so that an operator can select how to mount the additional shaft on the machine tool and collectively set parameters based on the selection.. ... Fanuc Corporation

02/26/15 / #20150054839

Motor control system

Provided is a motor control system of a numerical controller that can instruct a plurality of motors and display data on a display device by means of a single serial bus. An amplifier which controls the motor drives the motor based on a motor command received from the numerical controller via the serial bus. ... Fanuc Corporation

02/26/15 / #20150054444

Controller for machine tool including main shafts

A controller for a machine tool includes a converter converting ac power on the power supply side to dc power, a feed-shaft motor inverter converting dc power on a dc link side and ac power on a feed shaft motor side, first and second main-shaft-motor inverters converting dc power on the dc link side and ac power on first and second main shaft motors side, a power failure detection unit detecting a power failure on the power supply side, a voltage detection unit detecting a dc link voltage value, a feed-shaft-motor command unit outputting a deceleration command to the feed-shaft-motor inverter upon a power failure, and a main-shaft-motor command unit outputting an acceleration/deceleration command to the first main-shaft-motor inverter in accordance with the dc link voltage value and a power shutoff command to the second-main-shaft-motor inverter upon a power failure.. . ... Fanuc Corporation

02/26/15 / #20150053651

Electric discharge machine having rotary table

An electric discharge machine is provided with a rotary table disposed in a working tank and fitted with an object to be machined. The rotary table is provided with a working fluid penetration detection unit configured to detect penetration of a working fluid into the rotary table body.. ... Fanuc Corporation

02/19/15 / #20150051846

Bearing life determination device

A corrected rotation amount, based on conversion to a rotation amount at a reference rotational speed, is obtained by multiplying a command speed read in each period by a period time and a coefficient value corresponding to the rotational speed. An integrated corrected rotation amount is obtained by integrating the corrected rotation amount. ... Fanuc Corporation

02/19/15 / #20150051727

Cutting tool machining method and a wire electric discharge machine

In a wire electric discharge machine that machines a blade section of a cutting tool, in a state in which a rod-shaped reference jig is fixed to a rotary axis, a position on an outer circumferential surface of the reference jig is measured at each rotation position and stored. A rotational run-out error is calculated based on the stored rotational run-out position information, and a machining program is corrected to cancel the rotational run-out error.. ... Fanuc Corporation

02/19/15 / #20150050096

Machine tool having protective cover

A leaf spring, being a conductive member, fixed to a splash guard body with a fixing bolt, is in contact with a side surface of a door assembled to a predetermined position. The leaf spring is a spring that expands outwardly. ... Fanuc Corporation

02/19/15 / #20150048766

Synchronous motor control apparatus

A control apparatus includes, a first calculating unit which calculates first d-phase and q-phase current limit candidate values, a second calculating unit which calculates second d-phase and q-phase current limit candidate values, a q-phase unit which, when the absolute value of the first d-phase current limit candidate value is smaller than that of the second d-phase current limit candidate value, sets the first q-phase current limit candidate value as a q-phase current limit value, but otherwise sets the second q-phase current limit candidate value as the q-phase current limit value, and a d-phase unit which, when the absolute value of the first d-phase current limit candidate value is smaller than that of the second d-phase current limit candidate value, sets the first d-phase current limit candidate value as a d-phase current limit value, but otherwise sets the second d-phase current limit candidate value as the d-phase current limit value.. . ... Fanuc Corporation

02/19/15 / #20150048706

Electric motor having structure for reducing cogging torque

A synchronous electric motor having a structure for reducing cogging torque generated by the positioning error of a permanent magnet. Protrusions are alternately arranged in regions a and b in the circumferential direction of an iron core. ... Fanuc Corporation

02/19/15 / #20150047471

Screw fastening device

A screw fastening device (10) includes a base part (11), an extended part (12) with one end (12a) which is attached to the base part in a pivotable manner, a tool part (13) which is fastened to another end (12) of the extended part and makes a screw which is engaged with its front end rotate, a pushing mechanism (15) which pushes the tool part against the screw (14) through the extended part in an axial direction of the screw, a guide part (16) which is fastened to the base part and has an arc shaped part, a torque generating part (17) which generates a torque which makes the extended part rotate along the arc shaped part in a fastening direction of the screw, and a first detection part (18a) which detects when a reaction force of a predetermined value or more acts against the torque generating part.. . ... Fanuc Corporation

02/05/15 / #20150035396

Motor provided with terminal block

A motor which can reliably prevent varnish from ending up entering a terminal block. The motor is provided with a terminal block to which lead wires of coils are connected. ... Fanuc Corporation

01/29/15 / #20150028613

Robot gripping device

A robot gripping device (60) where each finger part has a finger part body (1) which is comprised of a plate-shaped elastic member, a first anti-slip part (2) which is provided at an inside of a front end side of the finger part body, and a reinforcing member (20) which is arranged along an outer surface of the finger part body, is connected to the front end of the finger part body, and is higher in rigidity than the finger part body, the reinforcing member having a first rotary joint (4) which makes the reinforcing member pivot about a first axis of rotation which is vertical to a longitudinal direction of the finger part body, and the robot gripping device having a drive part (62) which makes a base end of the finger part body move along the center of grip to make the finger part open and close.. . ... Fanuc Corporation

01/29/15 / #20150027992

Wire electric discharge machine including average discharge delay time calculating unit

Provided is a wire electric discharge machine in which time from application of a voltage to a machining gap between a workpiece and a wire electrode until occurrence of electric discharge is measured as a discharge delay time, and the measured discharge delay time is integrated over a predetermined measurement period to calculate a discharge delay integrated time. Further, the number of times of the voltage application in the measurement period is counted. ... Fanuc Corporation

01/22/15 / #20150025673

Machine tool including coolant apparatus

A coolant apparatus of a machine tool includes a coolant pump that sends out a coolant from a coolant tank, a controller that drives or stops the coolant pump, and a condition setting unit that sets conditions for driving or stopping the coolant pump. Then, the controller drives or stops the coolant pump based on content set by the condition setting unit.. ... Fanuc Corporation

01/22/15 / #20150022137

Motor controller controlling two motors for driving single driven object

In a motor controller according to the present invention, a speed control unit 24m includes an integrator calculating an integrated value sm of a speed error ωm-ωm′ between a speed command value wm and a rotation speed ωm′ and generates a torque command value tm based on ωm-ωm′, a predetermined value, a proportional gain and an integration gain. A speed control unit 24s includes an integrator calculating an integrated value ss of a speed error ωs-ωs′ between a speed command value ωs and a rotation speed ωs′ and generates a torque command value ts based on ωs-ωs′, the predetermined value, a proportional gain and an integration gain. ... Fanuc Corporation

01/22/15 / #20150022127

Current control device of synchronous motor

A current control device of a synchronous motor comprises a provisional d-phase current command calculation unit; a voltage amplitude calculation unit calculating a magnitude of a voltage command vector in a previous sampling period; a voltage ratio calculation unit determining a voltage ratio between the magnitude of the voltage command vector and a maximum output voltage of an amplifier; a target d-phase current calculation unit obtaining a d-phase current command in the previous sampling period, and calculating a target d-phase current command from the voltage ratio and the d-phase current command; a correction value calculation unit determining a correction value by passing a difference between the provisional d-phase current command and the target d-phase current command through a low-pass filter; and an adder adding the correction value to the d-phase current command in the present sampling period to calculate a new d-phase current command.. . ... Fanuc Corporation

01/22/15 / #20150021060

Motor control device for implementing power failure protection of machine tool

A control device for a machine tool including a feed shaft motor for driving a feed shaft and a main shaft motor for driving a main shaft is provided with: a determination unit determining whether an operation of the feed shaft motor satisfies a predetermined determination condition; and an excitation command unit outputting an excitation current command to output excitation current larger than excitation current instructed by a master control unit to the main shaft motor, when the determination unit determines that the predetermined determination condition is satisfied.. . ... Fanuc Corporation

01/15/15 / #20150017009

Impeller having blade having blade surface made up of line elements and method of machining the impeller

A blade of an impeller has a blade surface made up of line elements. The line elements forming the blade surface are not parallel to each other. ... Fanuc Corporation

01/15/15 / #20150016987

Fan cover having vibration suppressing mechanism of fan motor, and motor drive unit

A fan cover (10), on which a fan motor (11) is mounted, includes: a fan cover flat portion in which an opening portion (12) is formed; a protruding portion (13) extending from the fan cover flat portion around the opening portion; and a supporting portion (14), which is arranged on the protruding portion, for supporting the fan motor, wherein a distance between the fan cover flat portion and the supporting portion of the protruding portion is smaller than the thickness of the fan motor.. . ... Fanuc Corporation

01/15/15 / #20150016933

Transfer device sucking and transferring object

A transfer device includes a suction unit capable of sucking an object and a transfer unit moving the suction unit. The suction unit includes a base member; a plurality of nozzles provided for a plurality of types of objects; a housing room formation unit attached to the base member, forming a housing room for housing the other end portion side of the plurality of nozzles, and including a sealing unit facing air outlets; a negative pressure generation unit generating negative pressure inside the housing room; and a drive unit driving the plurality of nozzles such that the air outlet of a nozzle selected from the plurality of nozzles in accordance with a type of the object is separated from the sealing unit, and the air outlet of a non-selected nozzle is bumped against the sealing unit to be sealed.. ... Fanuc Corporation

01/15/15 / #20150016913

Machine tool having stopper for preventing chips from entering machine tool

In a machine tool, a saddle is supported by a guide disposed on a bed. A cover protecting the guide is secured to the saddle and moves together with the saddle to enter or leave a space formed under a column. ... Fanuc Corporation

01/15/15 / #20150015098

Rotor with cooling passage and motor having the same

In a rotor of a motor according to the present invention, a plurality of flow passages spaced apart from each other around an axis of rotation, each of which extends so as to be slanted relative to an axis of rotation and open to an exterior space of the rotor at both ends of the rotor. The flow passages are configured so that adjacent flow passages are slanted alternately in opposite directions and that a fluid for cooling the rotor circulates through the flow passages.. ... Fanuc Corporation

01/15/15 / #20150014936

Machine tool including sealing structure in rotation unit

A machine tool including a sealing structure in a rotation unit includes a gas supply amount control unit configured to control so that an air sealing gas supply amount in the case of a deceleration state of the rotation unit determined by a rotation state determination unit becomes larger than an air sealing gas supply amount in the case of a non-deceleration state determined by the rotation state determination unit.. . ... Fanuc Corporation

01/15/15 / #20150013491

Wrist structure unit of industrial robot

A spur gear deceleration mechanism unit (30) of a wrist structure unit is adapted to be driven in a first deceleration ratio structure or a second deceleration ratio structure. The first deceleration ratio structure uses at least a first spur gear (31) fitted onto an output shaft of a wrist inner frame driving motor (21) and a second spur gear (32) rotatably supported by a first auxiliary shaft (41). ... Fanuc Corporation

01/08/15 / #20150012127

Numerical control device for controlling five-axis processing machine

A numerical control device for controlling a five-axis processing machine includes a tool-direction instruction correction unit, and corrects a tool-direction vector so that a tool direction of a processing program smoothly changes. The tool-direction instruction correction unit refers to a tool-direction correction tolerance set in advance by a tool-direction correction tolerance setting unit.. ... Fanuc Corporation

01/08/15 / #20150012125

Numerical control apparatus having function of reducing path to start point in canned cycle

In a canned cycle, a straight path is set from a cutting completion position in a cycle to a cutting start position in a next cycle. Furthermore, when there is a possibility that the set straight path interferes with a workpiece, a region for which the workpiece has been already cut is determined, and a path not interfering with the workpiece is set with as short length as possible.. ... Fanuc Corporation

01/08/15 / #20150012120

Motion controller capable of specifying program execution pace

A motion controller is provided which allows a program to be executed in a specified time. The program is executed, and the execution time of each of the blocks of the program and the execution time of the entire program are measured. ... Fanuc Corporation

01/08/15 / #20150012119

Machine controller

A machine controller intercommunicates with, and issues machining program commands to, a plurality of peripherals. The controller receives work status information on the peripherals, calculates the total power consumption by the plurality of peripherals based on the received information, and decides the work start timing for the peripherals such that the total does not reach a preset upper limit.. ... Fanuc Corporation

01/08/15 / #20150008861

Motor control device provided with feedforward control

A motor control device for controlling a motor which drives a control target, includes: a speed feedback control unit which generates a pre-correction torque command for controlling such that an actual speed of the control target follows a speed command which is input; an inverse model calculation unit which calculates a coefficient of an inverse model with a transfer function inversed from a transfer function of the control target by using the speed command and the pre-correction torque command; a torque correction value generating unit which generates a torque correction value by using the speed command and the coefficient of the inverse model; and a torque command generating unit which generates a torque command for the motor which drives the control target by using the pre-correction torque command and torque correction value.. . ... Fanuc Corporation

01/08/15 / #20150007681

Attachment structure for drive cables of robot and robot apparatus provided therewith

An attachment structure for drive cables include a first fixing member and a second fixing member separate from the first fixing member, which are designed to fix the drive cables in a non-slidable manner. The first fixing member is disposed behind a pivot body of a robot so as to pivot together with the pivot body. ... Fanuc Corporation

01/01/15 / #20150005942

Portable operation panel having vibration motor

A portable operation panel having a vibration motor capable of tactually providing an operator information, wherein a problem due to failure of the vibration motor is solved. An operation panel has a controlling part, a plurality of vibration motors and an inputting part to which an operator can input information, wherein the controlling part controls the behaviors of the operation panel based on the information input into the inputting part. ... Fanuc Corporation

01/01/15 / #20150005923

Deburring device including visual sensor and force sensor

A deburring device includes a deburring tool for removing burrs from an object, a robot for moving an object or the tool, a force sensor for detecting force acting on the tool, and a visual sensor for detecting a position of a burr portion of the object. According to the deburring device, information regarding shape data of the burr portion and a posture of the tool is obtained beforehand based on three-dimensional data of the object. ... Fanuc Corporation

01/01/15 / #20150003929

Tool clamping device

According to a tool clamping device for a machine tool, when a draw bar is moved in the axial direction of the main shaft of the tool clamping device, a steel ball moves in the radial direction of the main shaft so as to press the inner wall of the main shaft, forming an impression on the inner wall of the main shaft. This forms an inclined surface for generating a magnification effect for magnifying a spring force.. ... Fanuc Corporation

01/01/15 / #20150000453

Robot hand for transporting article, robot and robot system provided with robot hand, and method for controlling robot hand

Provided is a robot hand capable of reducing the load moment applied on the wrist of the robot hand in lifting an article. The robot hand includes a base; a first hand arm mounted on the base, including a holding part configured to hold the article, and configured such that the holding part is movable between a first distal position away from the base in a first direction, and a first proximal position close to the base more than the first distal position; and a second hand arm mounted on the base, including a counter balancer weight, and configured such that the counter balancer weight is movable between a second distal position away from the base in a second direction opposite to the first direction, and a second proximal position close to the base more than the second distal position.. ... Fanuc Corporation








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