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Fanuc Corporation patents


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


Motor drive device

The present invention has an object of providing a motor drive device provided with a cooling mechanism by way of a fan motor, which is capable of also cooling separate elements in the surroundings of a heat generating element due to further improving the cooling function. The motor drive device is equipped with a fan motor, and a heat sink which cools the heat generating element on a printed substrate by way of exchanging heat with the heat generating element, in which the heat sink includes a main body of cylindrical shape fixed to the heat generating element, and having an air duct through which cooling airflow flows, and a communication hole that communicates from an exposed outer circumferential face of the main body to the air duct, and in which the fan motor generates cooling airflow that flows through the air duct.. ... Fanuc Corporation

Slave device, serial communications system, and communication method for serial communications system

A slave device is equipped with a communications circuit that carries out serial communications in a communication mode in which received data is transmitted in synchronism with its own clock pulse signal, a communications line that carries out serial communications in a pass through mode in which received data is directly transmitted without depending on its own clock pulse signal, a switching unit that switches from the communication mode to the pass through mode, and a control unit that controls the switching unit.. . ... Fanuc Corporation

Heatsink and motor driving device

A heatsink includes: a heatsink main body; a flange portion formed on the heatsink main body; and a filter plate detachably attached to an end portion on an inlet side of the heatsink main body. In the state where the filter plate is attached to the end portion on the inlet side of the heatsink main body, an outer shape of the filter plate is larger than an outer shape of the end portion on the inlet side of the heatsink main body. ... Fanuc Corporation

Electric motor

An electric motor is equipped with a stator core fixed to a housing, a rotor core which rotates integrally with a shaft, and a first bearing, having an outer race with an outer circumferential surface thereof placed in abutment against the housing, and an inner race with an inner circumferential surface thereof placed in abutment against the shaft, and wherein the bearing rotatably supports the shaft with respect to the housing. Through holes is provided in the outer race, the through hole penetrating the outer race in an axial direction thereof.. ... Fanuc Corporation

Converter apparatus having function of detecting short circuit failure, and method for detecting short circuit failure of converter apparatus

A converter apparatus includes: an ac/dc converter; a dc link capacitor connected to the converter; a voltage detection unit detecting the dc link voltage; a switching unit connecting or disconnecting between a power supply and the converter; a switching operation unit detecting an abnormality in a motor drive device including the converter apparatus and an inverter, and control the switching unit; a power supply monitoring unit detecting a voltage inputted to the converter to monitor a connection state between the power supply and the converter; a threshold value setting unit setting a threshold value to determine the presence or absence of a short circuit failure; and a short circuit failure detection unit determining that a short circuit failure has occurred, when the voltage of the dc link capacitor, immediately after the power supply is disconnected from the converter, is equal to or less than the threshold value.. . ... Fanuc Corporation

Iron core including first iron core block and second iron core block

An iron core includes a first iron core block and second iron core blocks. The first iron core block includes recessed portions. ... Fanuc Corporation

Machine learning device and thermal displacement compensation device

A calculation formula learning unit sets a coefficient relating to a time lag element in a thermal displacement estimation calculation formula by machine learning while fixing a coefficient relating to measured data except the coefficient relating to the time lag element at a predetermined value based on a difference between a thermal displacement estimated value about a machine element calculated by substituting a measured data group into the thermal displacement estimation calculation formula and a thermal displacement actual measured value about the machine element; sets the coefficient relating to the measured data except the coefficient relating to the time lag element in the thermal displacement estimation calculation formula by machine learning based on the difference while fixing the coefficient relating to the time lag element at a predetermined value; and repeats the machine learning.. . ... Fanuc Corporation

Learning model construction device, abnormality detection device, abnormality detection system and server

To provide a learning model construction device, abnormality detection device, abnormality detection system and server for performing abnormality detection using sound information of the surroundings of a production apparatus. A learning model construction device includes a voice acquisition unit that acquires voice data including the voice of an operator located in the vicinity of a production apparatus, via a mic; a label acquisition unit that acquires an abnormality degree related to a production line including the production apparatus as a label; and a learning unit that constructs a learning model for the abnormality degree, by performing supervised learning with a group of voice data and label as training data.. ... Fanuc Corporation

Multi-rank sdram control method and sdram controller

To provide a multi-rank sdram control method and an sdram controller that prevent performance degradation and minimize increase in parts count even in a multi-rank sdram configuration. A multi-rank sdram control method controls a multi-rank sdram formed by connecting data buses of multiple sdram devices. ... Fanuc Corporation

Control system of machine tool

A numerical control system of a machine tool includes an analysis device. The analysis device includes acquisition portions which acquire chronological speed control data when the work is machined and which acquire spatial machined surface measurement data after the machining of the work, a data-associating processing portion which associates the speed control data and the machined surface measurement data with each other, a machined surface failure detection portion which detects failures on the machined surface of the work, an identification portion which identifies the speed control data of failure locations corresponding to the machined surface measurement data of the failure locations, a failure interval detection portion which detects the interval of the failures and a calculation portion which calculates the frequency of vibrations based on a machining speed based on the speed control data of the failure locations and the interval of the failures.. ... Fanuc Corporation

Machine learning device and thermal displacement compensation device

A machine learning device includes: a measured data acquisition unit that acquires a measured data group; a thermal displacement acquisition unit that acquires a thermal displacement actual measured value about a machine element; a storage unit that uses the measured data group acquired by the measured data acquisition unit as input data, uses the thermal displacement actual measured value about the machine element acquired by the thermal displacement acquisition unit as a label, and stores the input data and the label in association with each other as teaching data; and a calculation formula learning unit that performs machine learning based on the measured data group and the thermal displacement actual measured value about the machine element, thereby setting a thermal displacement estimation calculation formula used for calculating the thermal displacement of the machine element based on the measured data group.. . ... Fanuc Corporation

Numerical controller

Provided is a numerical controller capable of calculating an optimum feed rate in machining in which cutting is performed in a different direction from a direction of a spindle axis. The numerical controller includes a tool data storage unit for storing tool data related to a tool attached to the spindle axis, a command analyzer for reading and analyzing a command block from the machining program, and generating movement command data for relatively moving the spindle axis with respect to the workpiece and spindle axis rotation command data for rotating the spindle axis, and a cutting speed controller for calculating a recommended cutting feed rate of the spindle axis based on the tool data of the tool, and clamping a cutting feed rate of the spindle axis included in the movement command data at the recommended cutting feed rate when the cutting feed rate of the spindle axis is larger than the recommended cutting feed rate.. ... Fanuc Corporation

Device and method for calculating area to be out of inspection target of inspection system

A device capable of easily defining an area other than a surface to be inspected of a workpiece. The device includes a drawing acquisition section for acquiring drawing data of the workpiece; a designation reception section for receiving specification of the surface to be inspected of the workpiece in the drawing data; and a non-inspection area calculation section for calculating, as a non-inspection area, an image area other than the surface to be inspected in an image in a view of the imaging section when the workpiece and the imaging section are positioned at an imaging position at which at least a part of the surface to be inspected as specified falls within the view of the imaging section.. ... Fanuc Corporation

Machine tool system and moving method

A machine tool system includes: a machine tool that machines a workpiece by using a tool attached to a spindle; and a plurality of robots installed inside a machining space of the machine tool and adapted to grip the workpiece and move the workpiece in conformity with the machining performed by the machine tool.. . ... Fanuc Corporation

09/27/18 / #20180272487

Machine tool system and clamping method

A machine tool system includes: a machine tool for machining a workpiece set on a table using a tool attached to a spindle; and a robot for gripping the workpiece. The robot is installed on the table and performs a setting operation for setting the workpiece on the table and a clamping operation for clamping the workpiece.. ... Fanuc Corporation

09/27/18 / #20180272486

Machine tool

A machine tool includes: a revolving-type turret including a plurality of grips provided along a circumferential direction thereof, each of the plurality of grips being configured to hold the tool attached to a spindle; a first rotary shaft configured to rotate about a swing axis of the turret; a second rotary shaft extending in a direction substantially perpendicular to the first rotary shafts, and configured to rotate the turret about a revolving axis; a motor configured to rotate the first rotary shaft; a power transmission unit including a first gear connected to the first rotary shafts and a second gear connected to the second rotary shaft, the second gear being configured to be meshed with the first gear; and a rotation prohibition unit configured to, when swinging the turret, prohibit rotation of the second rotary shaft in order to swing the second rotary shaft about the first rotary shaft.. . ... Fanuc Corporation

09/27/18 / #20180272474

Galvanometer scanner

To provide a galvanometer scanner that increases reliability by reducing burden on a mechanism unit. A galvanometer scanner converts a command for machining position on a machining target to movement commands for a rotary motor, a rotary motor, and a direct drive mechanism. ... Fanuc Corporation

09/20/18 / #20180270841

Transmission control system

. . To provide a transmission control system that can efficiently utilize communication bandwidth upon transmitting measurement data of machines. A transmission control system includes: a numerical control unit that controls operating of machines and acquires operating information; an a/c conversion unit that acquires behavior information measured by way of a sensor provided to the machine; a priority determination unit that determines priority of transmission in accordance with a condition set in advance, based on types and combinations of the operating information and the behavior information; and a bandwidth control unit that controls allocation of communication bandwidth for transmitting the operating information and the behavior information, based on a usage condition of communication bandwidth and the priority.. ... Fanuc Corporation

09/20/18 / #20180269804

Motor drive apparatus with function to detect abnormality in power device

A motor drive apparatus includes: a converter which converts ac power to dc power and to output the dc power to a dc link; an inverter including power devices which converts the dc power to ac power for driving a motor; a capacitor provided in the dc link; a shut-off circuit to open and close an electrical path between the ac power source and the converter; a constant current control unit which performs control in such a manner as to allow a constant current supplied by the capacitor to pass through a detection target power device among the power devices in the inverter; and an abnormality detection unit which detects an abnormality in the detection target power device based on changes in voltage between a collector and an emitter of the detection target power device during a period in which the constant current passes through the detection target power device.. . ... Fanuc Corporation

09/20/18 / #20180268992

Three-phase reactor having insulating structure

A three-phase reactor according to an embodiment of this disclosure includes a coil having a winding portion; an iron core partly disposed inside the winding portion; and a covering portion containing the coil, and having an opening.. . ... Fanuc Corporation

09/20/18 / #20180268991

Ac reactor having terminal base

An ac reactor according to an embodiment of this disclosure includes a peripheral iron core, and at least three iron core coils contacting or connected to an inner surface of the peripheral iron core. Each of the iron core coils includes an iron core and a coil wound around the iron core. ... Fanuc Corporation

09/20/18 / #20180268985

Ac reactor

An ac reactor according to an embodiment of this disclosure includes a peripheral iron core constituted of partial peripheral iron cores divided by a plurality of dividing surfaces, for enclosing an outer periphery; at least three iron core coils contacting, connected to, or magnetically connected to an inner surface of the peripheral iron core, each of the iron core coils including an iron core and a coil wound around the iron core; and a securing member for securing the partial peripheral iron cores to maintain the peripheral iron core in contact at the dividing surfaces.. . ... Fanuc Corporation

09/20/18 / #20180268984

Iron core including first iron core block and second iron core block

An iron core includes a first iron core block and a second iron core block disposed so as to create a gap therebetween, and a non-magnetic fastener disposed in the gap. The fastener joins the first iron core block and the second iron core block to each other.. ... Fanuc Corporation

09/20/18 / #20180267514

Production management device and production system

A production management device is communicably connected to a plurality of slave control devices respectively connected to a plurality of machine tools, and also communicably connected to a master control device for preparing an overall operation plan of the plurality of machine tools. The production management device acquires data on a machine type and an operation condition of each of the plurality of machine tools from the slave control device. ... Fanuc Corporation

09/20/18 / #20180267505

Control system of machine tool

A control system of a machine tool which machines a work includes: a numerical control device which controls the drive axis of the machine tool based on control data; a machined surface measurement device which measures the machined surface of the work; and a data processing device, and the data processing device includes a drive axis control data acquisition portion which acquires, from the numerical control device, the chronological control data when the work is machined; a machined surface measurement data acquisition portion which acquires spatial machined surface measurement data after the machining of the work measured by the machined surface measurement device; and a data-associating processing portion which associates the chronological control data acquired by the drive axis control data acquisition portion and the spatial machined surface measurement data acquired by the machined surface measurement data acquisition portion with each other.. . ... Fanuc Corporation

09/20/18 / #20180267502

Servo motor control apparatus for controlling servo motor and servo motor control system including the same

A servo motor control apparatus for controlling a servo motor includes a storage unit configured to store a torque constant predefined for the servo motor, a torque constant correction unit configured to correct the torque constant stored in the storage unit when magnetic saturation occurs in a winding of the servo motor, and an output calculation unit configured to calculate an output of the servo motor on the basis of the torque constant stored in the storage unit or the torque constant after correction calculated by the torque constant correction unit, a value associated with a current of the servo motor, and a value associated with a speed of the servo motor.. . ... Fanuc Corporation

09/20/18 / #20180267501

Motor selection apparatus

A motor selection apparatus includes: a mechanical condition obtainment unit that obtains information pertaining to a distance between a center of mass of a workpiece and a rotation center of a motor; an operating pattern obtainment unit that obtains information pertaining to an operating pattern; a motor information obtainment unit that obtains information pertaining to instantaneous torque; an eccentric load torque calculation unit that calculates eccentric load torque, which is load torque acting on the motor in accordance with the rotation phase of the motor; an acceleration/deceleration torque calculation unit that calculates acceleration/deceleration torque; a required torque calculation unit that calculates a required torque from a sum of the eccentric load torque and the acceleration/deceleration torque; and a motor selection unit that determines whether a motor can be selected, based on whether the required torque is less than or equal to the instantaneous torque of the motor.. . ... Fanuc Corporation

09/20/18 / #20180267499

Machine learning device, servo control device, servo control system, and machine learning method

A machine learning device performs machine learning with respect to a servo control device including a velocity feedforward calculation unit. The machine learning device comprises: a state information acquisition unit configured to acquire from the servo control device, state information including at least position error, and combination of coefficients of a transfer function of the velocity feedforward calculation unit; an action information output unit configured to output action information including adjustment information of the combination of coefficients included in the state information, to the servo control device; a reward output unit configured to output a reward value in reinforcement learning based on the position error included in the state information; and a value function updating unit configured to update an action value function on the basis of the reward value output by the reward output unit, the state information, and the action information.. ... Fanuc Corporation

09/20/18 / #20180267489

Cleaning process optimization device and machine learning device

A cleaning process optimization device includes a machine learning device that learns a cleaning condition when cleaning an object to be cleaned. The machine learning device includes: a state observation unit that observes cleaning condition data indicating the cleaning condition, and contamination state data indicating a contamination state of the object to be cleaned measured before cleaning as a state variable representing a current state of environment; a determination data acquisition unit that acquires determination data indicating an adequacy determination result on accuracy of a contamination state of the object to be cleaned after cleaning; and a learning unit that learns the cleaning condition when cleaning the object to be cleaned in association with the contamination state data using the state variable and the determination data.. ... Fanuc Corporation

09/20/18 / #20180266816

Measurement device

An on-machine measurement device comprises: a moving mechanism that makes scanning irradiation with a laser beam by moving a cutting target as a measurement target relative to a laser source; a half mirror that causes the beam from the laser source to enter the cutting target vertically; a lens that focuses the beam scattered, diffracted, and reflected on the cutting target; a projection plane for a focal image of the beam having passed through the lens; a light-receiving element array that converts an optical signal at the projection plane to an electrical signal and outputs an analog signal; and a calculator that stores received beam information in chronological order acquired by the light-receiving element array, converts the received beam information stored in chronological order to space information to generate an optical diffraction image, and acquires a beam intensity distribution based on the generated optical diffraction image.. . ... Fanuc Corporation

09/20/18 / #20180264613

Abnormality detection apparatus and machine learning apparatus

An abnormality detection apparatus includes a machine learning apparatus for learning waveform data concerning a physical quantity detected when a machine tool is normally operating. The machine learning apparatus observes the waveform data concerning the physical quantity detected when the machine tool is normally operating, as a state variable indicating a current environmental state, and learns a feature of the waveform data concerning the physical quantity detected when the machine tool is normally operating, using the observed state variable.. ... Fanuc Corporation

09/20/18 / #20180264608

Machine tool

A machine tool is equipped with a second supply pipe having elasticity and having one end side fixed to a spindle head and the other end side fixed to an arm portion, a cover provided within a machining area, and rollers. When the spindle head is moved in a direction to come close to the arm portion, the second supply pipe is bent and then a portion of the second supply pipe is brought into abutment against the cover. ... Fanuc Corporation

09/20/18 / #20180264572

Fixing structure of wire bobbin and fixing method of the same

In a fixing structure and fixing method of a wire bobbin, the wire bobbin is abutted against the regulating member with the bolt inserted into the insertion hole of the wire bobbin. Then, a nut is inserted into a through hole while being kept inclined so that the axis of the through hole is substantially aligned with the axis of the bolt. ... Fanuc Corporation

09/06/18 / #20180254932

Serial communications unit and communication method for serial communications unit

A communication method for a serial communications unit converts reception serial data into reception parallel data, stores the reception parallel data in a memory unit, and calculates a reception delay time of a reception start timing at which reception of packets is started. In addition, the reception parallel data which is stored in the memory unit is read out, and transmission parallel data, in which a transmission delay time of a transmission start timing at which transmission of packets is started is controlled so that a delay time from the reception start timing of packets and until transmission of packets is started is made constant, is output in synchronism with a transmission parallel clock pulse signal, and the output transmission parallel data is converted into transmission serial data and then is transmitted.. ... Fanuc Corporation

09/06/18 / #20180254854

Communications system and communication method for communications system

A communications system includes a computer numerical control device, which is hereinafter referred to as a cnc, and amplifiers connected to the cnc by a serial communications circuit, and in the communications system, packets are transmitted from the cnc to the amplifiers at each of predetermined periods. Each of the packets contains at least data and an error detection code. ... Fanuc Corporation

09/06/18 / #20180254683

Motor

A motor capable of suppressing droplets of water generated due to condensation from adhering to electrical components inside a rotary encoder is provided. A motor includes: a motor main body having a rotating shaft member; and a rotary encoder, wherein the rotary encoder has a cover member, and an inner surface of the cover member has a first top surface formed having an inclined portion that is inclined relative to a horizontal direction so as to guide a droplet of water when the rotating shaft member is disposed to extend in a vertical direction, and/or a second top surface formed having an inclined portion that is inclined relative to a horizontal direction so as to guide a droplet of water when the rotating shaft member is disposed to extend in a horizontal direction.. ... Fanuc Corporation

09/06/18 / #20180254135

Reactor, motor driver, power conditioner, and machine

An operator is prevented from touching terminals and the like. A reactor includes an outer peripheral iron core, and at least three core coils disposed inside the outer peripheral iron core. ... Fanuc Corporation

09/06/18 / #20180253860

Display system and display method

A display system includes: an imaging unit that images a mold from below; and a display unit that displays an image taken by the imaging unit together with a carry-in range of the mold in order to transport the mold in place between the stationary platen and the moving platen.. . ... Fanuc Corporation

09/06/18 / #20180253083

Data setting system for robot, data setting method and program

In a data setting system in which a plurality of control devices that control robots and a management device that manages the control devices are connected through a network, the management device includes: a data group setting portion that sets a data group formed with the control devices for which the same function is set among the plurality of control devices; and a setting transmission portion that transmits, to each of the data groups, setting information for setting the control devices belonging to the data group, and the control device includes: a setting performance portion that performs the setting of the control devices based on the setting information transmitted from the management device.. . ... Fanuc Corporation

09/06/18 / #20180252362

Life evaluating device and robot system

Provided is a life evaluating device that evaluates the life of a lubricant in a machine including a motor and a transmission mechanism that is lubricated by the lubricant and transmits power of the motor to a movable unit. The life evaluating device includes a motor-heat-value calculating unit that calculates a motor heat value on the basis of a current value of the motor, a frictional-heat-value calculating unit that calculates a frictional heat value in the transmission mechanism on the basis of rotating speed of the motor and a coefficient of friction of the transmission mechanism, a lubricant-temperature estimating unit that estimates temperature of the lubricant on the basis of the calculated frictional heat value and the calculated motor heat value, and a life estimating unit that estimates the life of the lubricant on the basis of the estimated temperature of the lubricant.. ... Fanuc Corporation

09/06/18 / #20180250861

Pedestal of molding extraction machine

Provided is a pedestal of a molding extraction machine which may be stably carried without a particular transportation member attached thereto. In the pedestal of the molding extraction machine sorting a molded product from an injection molding machine, at least one through-hole into which a carrying member for carrying the pedestal may be inserted is provided and the carrying member such as a forklift or a hanger rod is inserted into the through-hole so that the molding extraction machine may be carried. ... Fanuc Corporation

09/06/18 / #20180250824

Robot system

An object is prevented from being sandwiched between robot arms without the occurrence of unintentional operating restrictions of the robot arms. Provided is a robot system including: a robot body that is provided with at least two links that are relatively moved by at least one joint; a sensor that detects the distances from mutually opposed surfaces of the at least two links to an object inserted between the surfaces; and a control unit that performs an interference avoidance operation if the distances detected by the sensor are less than a predetermined threshold.. ... Fanuc Corporation

09/06/18 / #20180250783

Machine tool system

A machine tool system includes a machine tool main body for machining a workpiece supported on a table by using a tool detachably attached to a spindle, and an information processing apparatus. The machine tool main body includes a rotary tool magazine in which multiple grips each capable of holding the tool to be attached to the spindle are provided along the circumferential direction, and an image pickup device that is arranged in the tool magazine and configured to take an image of multiple members in a machining area of the machine tool main body. ... Fanuc Corporation

09/06/18 / #20180250761

Wire electrical discharge machine and control method for wire electrical discharge machine

A wire electrical discharge machine machines a workpiece so as to have different machined shapes on a top surface and a bottom surface of the workpiece. The wire electrical discharge machine includes: a distance measuring sensor for moving within a machining area of the wire electrical discharge machine and measuring a distance between the distance measuring sensor and an object to be measured; and a vertical position calculating unit for calculating a distance between a reference surface and the top surface and a distance between the reference surface and the bottom surface, from a distance between the reference surface and the distance measuring sensor, a distance between the top surface and the distance measuring sensor, and a distance between the bottom surface and the distance measuring sensor, measured by the distance measuring sensor.. ... Fanuc Corporation

08/23/18 / #20180241316

Motor drive device

. . A motor drive device that inputs ac power from a power supply to drive a motor includes: a converter that converts the ac power from the power supply into dc power; a dc/dc converter that generates dc power produced by stepping-up, stepping-down, or stepping-up and stepping-down the dc power from the converter; an inverter that converts the dc power from the dc/dc converter into ac power and supplies to the motor; and an electrical storage capacitor that is provided between the dc/dc converter and the inverter.. . ... Fanuc Corporation

08/23/18 / #20180241275

Motor and method of manufacturing motor

A motor includes a rotor including a shaft and a rotor body, a bearing fitted to the shaft and rotatably holding the shaft, a bearing holder arranged on the opposite side to the rotor body so as to hold the bearing, a movement regulation member arranged closer to the rotor body than the bearing and separated to regulate movement of the bearing toward the rotor body, a first engagement part provided at the rotor body to be adjacent to the movement regulation member, a first engagement target part provided at the movement regulation member to be adjacent to the rotor body to be able to be engaged with the first engagement target part, a second engagement part provided at the movement regulation member, a second engagement target part provided at the bearing holder, and a coupling member that couples the bearing holder and the movement regulation member.. . ... Fanuc Corporation

08/23/18 / #20180239339

Data collection device and computer readable medium

To reliably collect measured data without requiring a large-capacity storage device. A data collection device which is connected with a plurality of machine tools via a network includes: a priority calculation means for calculating a degree of relative priority for each of the plurality of machines tools, based on information related to a state of each of the machine tools; and a measured data collection means for deciding, in a case of receiving a collection request of measured data for the machine tool, which machine tool among the machine tools corresponding to the collection request to set as a collection target of the measured data based on the degree of relative priority, and for collecting the measured data from the machine tool decided as the collection target via the network.. ... Fanuc Corporation

08/23/18 / #20180239333

Control device for industrial machine and managagement system for industrial machine

A control device for an injection molding machine includes a storage unit for storing information on the injection molding machine, an encoding unit for encoding the information stored in the storage unit to generate a code image, and a display unit for displaying the code image.. . ... Fanuc Corporation

08/23/18 / #20180239328

Numerical controller of machine tool

A numerical controller for controlling a machine tool including a spindle motor formed of an induction motor includes: a storage unit that stores a maximum acceleration at which the spindle motor can operate when a magnetic flux amount of the spindle motor reaches its maximum; a magnetic flux amount acquisition unit that acquires a present magnetic flux amount of the spindle motor; and an acceleration change unit that changes an acceleration of a position command based on a maximum acceleration of the spindle motor stored in the storage unit according to a magnetic flux amount at the start of movement of the spindle motor acquired by the magnetic flux amount acquisition unit when the spindle motor is operated by position control using a position command.. . ... Fanuc Corporation

08/23/18 / #20180236665

Robot system

A robot system includes a robot installed such that the working space thereof is within a first area, an image acquisition unit that sequentially acquires images of the vicinity of a boundary of the first area and a second area that are adjacent to each other with the boundary therebetween, a monitoring-area setting unit that sets a monitoring area in a space adjacent to the boundary in the second area in the images acquired by the image acquisition unit, an object detecting unit that detects a moving object in the monitoring area set by the monitoring-area setting unit by processing the images acquired by the image acquisition unit, and a controller that performs control so as to restrict the operation of the robot when the moving object is detected by the object detecting unit.. . ... Fanuc Corporation

08/23/18 / #20180236664

Workpiece pick up system

A workpiece pick up system including: a three-dimensional sensor which is placed at an upper side of a container and which obtains a group of three-dimensional points each of which has height position information in the container, a group creating means which creates a plurality of three-dimensional point groups in each of which adjacent points satisfy a predetermined condition, an exclusion group determining means which determines that one or more three-dimensional point groups which satisfy at least one of a predetermined size reference, a predetermined area reference, and a predetermined length reference are excluded groups, and a workpiece detecting means which obtains a group of detection-purpose three-dimensional points for detecting workpieces by excluding points included in the excluded group from the group of three-dimensional points or the plurality of three-dimensional point groups, and which detects the workpieces to be picked up by using the group of detection-purpose three-dimensional points.. . ... Fanuc Corporation

08/16/18 / #20180234035

Motor drive device

A motor drive device includes a forward converter, reverse converter, dc link capacitor, voltage detection part, first storage part storing a threshold for the non-energized period in which the leakage current of the capacitor increases and a threshold for the applied voltage for reducing the leakage current of the capacitor, a second storage part that records a previous energization period of the capacitor, and a control part, in which the control part obtains the non-energized period of the capacitor based on the previous energization period recorded, during activation of the motor drive device, and in a case of the non-energized period obtained being longer than the threshold for the non-energized period stored, causes regeneration operation from the motor to the power supply to stop, and causes the voltage of the capacitor to rise up to the threshold for the applied voltage stored, by way of deceleration energy of the motor.. . ... Fanuc Corporation

08/16/18 / #20180233993

Motor having sensor for detecting operating state of bearing

A motor includes a stator unit having a stator, a rotor, a first bearing for supporting a first shaft portion of a shaft of the rotor in a first portion of the stator unit, a second bearing for supporting a second shaft portion of the shaft in a second portion of the stator unit, a first sensor for measuring a first parameter related to an operating state of the first bearing in the first portion of the stator unit, and a guide path provided in the stator unit, for guiding a first signal line of the first sensor from the first portion to the second portion.. . ... Fanuc Corporation

08/16/18 / #20180233871

Laser cutting device, method of diagnosing laser oscillator and computer-readable recording medium

A laser cutting device includes a laser oscillator, a cutting nozzle configured to irradiate a work with laser light so as to cut the work, and a controller configured to control the laser oscillator and a drive unit configured to move the cutting nozzle. The controller includes a laser output control unit, a diagnosis performance determination unit configured to determine, when the laser oscillator satisfies a predetermined operation condition, based on a cutting program, whether or not the laser oscillator is diagnosed, and a diagnosis function performance unit configured to issue a laser output command for diagnosis of the laser oscillator to the laser oscillator. ... Fanuc Corporation

08/16/18 / #20180233275

Three-phase ac reactor capable of reducing leakage of magnetic flux

A three-phase ac reactor according to the present invention includes a peripherally enclosing external core; at least three core coils being in contact with or connected to an interior of the external core, each of the core coils including a core and a coil wound around the core, and the adjoining core coils being magnetically connected through a gap; and a barrier fitted on an end portion of the external core so as to enclose side surfaces of the coils.. . ... Fanuc Corporation

08/16/18 / #20180233266

Reactor, motor driver, power conditioner and machine

A reactor includes an outer peripheral iron core and at least three iron-core coils that contact or are connected to an inner surface of the outer peripheral iron core. Each of the iron-core coils includes iron cores and coils wound onto the iron cores. ... Fanuc Corporation

08/16/18 / #20180233265

Reactor having iron core unit and coils, motor driver, power conditioner and machine

A reactor includes an outer peripheral iron core, and at least three iron-core coils that contact or are connected to an inner surface of the outer peripheral iron core. Each of the iron-core coils includes iron cores and coils wound onto the iron cores. ... Fanuc Corporation

08/16/18 / #20180231956

Diagnostic data acquisition system, diagnostic system, and computer readable medium

Upon performing diagnosis of a machine tool, etc., data suited to diagnosis is acquired while also reducing the burden on the user. A diagnostic data acquisition system that acquires diagnostic data for diagnosing a machine tool includes: a control unit that controls driving of a mobile part of the machine tool based on control data; a timing generation unit that generates an acquisition timing for the diagnostic data based on the control data; and a diagnostic data acquisition unit that acquires data which varies accompanying driving of the mobile part according to control by the control unit, as the diagnostic data.. ... Fanuc Corporation

08/16/18 / #20180231953

Numerical controller

A numerical controller performs machine learning to calculate tailstock pressing force to stabilize behavior of a workpiece during lathe machining and acquires, as state information, current tailstock pressing force. Then, the numerical controller acquires, as determination data, current vibration or displacement of the workpiece, or power consumption by tailstock pressing force, updates a value function based on the acquired determination data, and outputs an adjustment value of the state information based on the updated value function.. ... Fanuc Corporation

08/16/18 / #20180231947

Programmable controller and system equipped with same

Provided is a plc that can be connected to another plc via a network, the plc including: a storage unit that stores a sequence program; and a control unit, the control unit including: a sequence-program correcting unit that corrects the sequence program; a corrected-information obtaining unit that obtains a corrected portion and a corrected content from the corrected sequence program; a corresponding-circuit inquiring unit that extracts a first circuit in the vicinity of the corrected portion from the sequence program before correction and that makes an inquiry to the other plc about whether a circuit corresponding to the first circuit is included in a sequence program of the other plc; and a corrected-content transmitting unit that transmits, in response to the inquiry, the corrected content to the other plc only when a reply indicating that the circuit corresponding to the first circuit is included is received from the other plc.. . ... Fanuc Corporation

08/16/18 / #20180231474

Apparatus and method for generating operation program of inspection system

An apparatus capable of quickly constructing an operation program that causes an inspection system to carry out an operation for imaging the surface to be inspected. This apparatus includes a drawing acquisition section configured to acquire drawing data of the workpiece, a designation receiving section configured to accept designation of the surface to be inspected in the drawing data, a target position acquisition section configured to acquire, as a target position, a position of the movement mechanism when the workpiece and the imaging section are positioned such that the surface to be inspected is within a field of view of the imaging section, and a program generation section configured to generate an operation program for controlling a movement operation of the movement mechanism and an imaging operation of the imaging section on the basis of the target position.. ... Fanuc Corporation

08/16/18 / #20180231008

Fan unit, method of manufacturing same and motor drive device

An object of the present invention is to provide a fan unit, a motor drive device and a method of manufacturing the fan unit in which an assembly operation is facilitated by use of a small number of components, and in which thus it is possible to reduce the cost thereof. A fan unit includes: a fan which includes a motor and a casing; a base portion to which the fan is fixed by fixing of the casing; and a connector portion which can be connected to an external terminal for supplying power to the motor and which includes a conductive contact and a housing that is formed integrally with the base portion.. ... Fanuc Corporation

08/16/18 / #20180229928

Float and evaporation suppressing method

A float floating in a liquid has a spherical body having a spherical shape from which parts are cut off so as to form a regular hexagonal shape when viewed from one direction. In addition, the float is shaped so as to form a regular hexagonal shape when viewed from the above-mentioned one direction, and the floats are arranged in a honeycomb geometry to thereby reduce the contact area between the liquid and air.. ... Fanuc Corporation

08/16/18 / #20180229378

Horizontal articulated robot and reverse installation method thereof

A horizontal articulated robot including a base; one or more arms, attached to the base so as to be capable of rotating horizontally; a ball screw spline shaft that is disposed at an end of the one or more arms and that supports a workpiece at one end of the ball screw spline shaft; a ball screw nut through which the ball screw spline shaft passes and which is driven; and two ball spline nuts configured to support the ball screw spline shaft passing through the ball spline nuts, respectively, on both sides of the ball screw nut interposed therebetween in a longitudinal axis direction. At least one of the ball spline nuts drives the ball screw spline shaft about the longitudinal axis with respect to the arms.. ... Fanuc Corporation

08/16/18 / #20180229375

Transfer tool

Provided a transfer tool including a substantially strip-shaped frame, a wrist-side slider to be attached to a wrist of a robot, provided on one side of the frame in a thickness direction in a manner capable of moving along a longitudinal direction of the frame, a workpiece-side slider provided on another side of the frame in the thickness direction in a manner capable of moving along the longitudinal direction of the frame, and a distal-end swing shaft attached to the workpiece-side slider, where the distal-end swing shaft includes a workpiece support section supported by the workpiece-side slider in a manner capable of swinging around an axis line extending in a width direction of the frame, the workpiece support section being for supporting a workpiece, and an actuator attached to the workpiece-side slider, the actuator being for causing the workpiece support section to swing.. . ... Fanuc Corporation

08/16/18 / #20180229364

Robot system having learning control function and learning control method

A robot system is provide with a robot control device that includes an operation control unit and a learning control unit. The learning control unit performs a learning control in which a vibration correction amount for correcting a vibration generated at a control target portion of a robot is calculated and the vibration correction amount is employed in the operation command at a next time. ... Fanuc Corporation

08/16/18 / #20180229363

Robot operation command system, tablet terminal and control method of tablet terminal

A tablet terminal that establishes a wireless connection with one of a plurality of controllers each having identification information and transmits an operation signal for commanding operation of a robot to the wirelessly connected controller, is configured to prevent the robot from being operated by the operation signal when the identification information of the controller to which the base holding the tablet terminal is connected does not coincide with the identification information of the controller to which the tablet terminal is connected.. . ... Fanuc Corporation

08/16/18 / #20180229360

Horizontal articulated robot

Provided is a horizontal articulated robot including a base, a first arm provided above the base so as to be capable of rotating about a first axis, a first driving part configured to cause the first arm to rotate with respect to the base, a second arm attached so as to be capable of rotating about a second axis, and a second driving part configured to cause the second arm to rotate with respect to the first arm. The first driving part includes a first motor and a first reduction gear that are arranged in series along the first axis. ... Fanuc Corporation

08/09/18 / #20180228066

Parts supply device and parts supply robot having the same

. . A parts supply device includes a robot attachment member to be attached to a distal end portion of a robot arm, a parts holding tool supported by the robot attachment member, a stick mounting unit supported by the robot attachment member and on which a stick containing parts is mounted, a parts discharging mechanism which discharges, one by one, the parts contained in the stick mounted on the stick mounting unit, a guide member that guides the parts discharged by the parts discharging mechanism to a holding position by a holding member of the parts holding tool, and a relative movement device that moves the guide member in a state where one of the parts is held by the holding member to allow the one of the parts held by the holding member to be mounted on a predetermined position.. . ... Fanuc Corporation

08/09/18 / #20180225257

Coordinate information conversion device and computer readable medium

A coordinate information conversion device includes: calculation means for acquiring a plurality of pieces of image data obtained by capturing a set of positions including a position of a fixed object and a position of a movable part of a machine tool and calculating values of undefined numbers included in a predetermined conversion equation on the basis of the acquired plurality of pieces of image data; and first conversion means for converting a coordinate value in a first coordinate system which is a coordinate system for controlling driving of the movable part to a coordinate value in a second coordinate system which is a coordinate system for representing virtual information and is a coordinate system based on the position of the fixed object on the basis of the predetermined conversion equation of which the values of the undefined numbers are calculated by the calculation means.. . ... Fanuc Corporation

08/09/18 / #20180225245

Programmable controller

Provided is a programmable controller capable of simplifying handshake processing between control devices. The programmable controller, which performs the handshake processing in conjunction with a reception-side device, is provided with an output signal area in which a signal to be output to the reception-side device is held, an input signal area in which a signal output by the reception-side device is held, a sequential program execution part configured to execute a sequential program, an output signal temporary area in which an output signal from the sequential program is held, and a handshake processing part configured to copy a signal state of the output signal temporary area in the output signal area and hold the signal state of the output signal area so that the input signal area is notified of a completion signal.. ... Fanuc Corporation

08/09/18 / #20180224830

Servo controller

A servo controller includes a speed command creation unit, a torque command creation unit, a speed detection unit, a speed control loop, a speed control gain, a sinusoidal disturbance input unit, an actual frequency characteristics calculation unit, a reference characteristics changing unit, a reference frequency characteristics calculation unit, and a control gain adjustment unit. The sinusoidal disturbance input unit changes a frequency sequentially, a reference frequency characteristics calculation unit calculates reference frequency characteristics for characteristics designated by the reference characteristics changing unit sequentially for respective frequencies, the actual frequency characteristics calculation unit calculates actual frequency characteristics of a control system sequentially for respective frequencies, and the reference frequency characteristics calculation unit stores a characteristic formula of the reference characteristics changing unit when the reference frequency characteristics and the actual frequency characteristics match most closely.. ... Fanuc Corporation

08/09/18 / #20180224829

Servo controller

A servo controller includes a speed command creation unit, a torque command creation unit, a speed detection unit, a speed control loop, a speed control gain, a filter, a parameter storage unit, a sinusoidal disturbance input unit, a frequency characteristics calculation unit, and a parameter adjustment unit. The parameter storage unit stores a history of past frequency characteristics obtained by the frequency characteristics calculation unit in correlation with past parameter history.. ... Fanuc Corporation

08/09/18 / #20180224827

Monitoring device, machine tool, and monitoring system

To provide a monitoring device, a machine tool, and a monitoring system capable of collecting data efficiently required for examining an alarm. A monitoring device is connected to multiple machine tools through a network. ... Fanuc Corporation

08/09/18 / #20180222064

Movable robot

This movable robot includes a robot arm which performs an operation for a machine tool, a carriage for moving the robot arm to a predetermined installation position, a vision sensor which is supported by the carriage together with the robot arm and which captures an image of recognition information provided on the machine tool when the robot arm is placed at the predetermined installation position, a partner information receiving section for receiving a partner information regarding the machine tool for which the robot performs the operation, and a controller which determines whether the information obtained from the vision sensor corresponds with the partner information when the robot arm is placed at the predetermined installation position by the carriage, and when it corresponds, the robot arm is set to be a state in which the robot arm can perform the operation.. . ... Fanuc Corporation

08/09/18 / #20180222047

Machining system and machine controller in which a moving robot loads and unloads an article with respect to machining device

There is provided a machining system in which for automation of loading and unloading of an article with respect to a machining device, an operation of a robot can be easily set from a machine controller of the machining device. The machining system includes a machine controller and a robot controller. ... Fanuc Corporation

08/09/18 / #20180222046

Workpiece picking device and workpiece picking method for improving picking operation of workpieces

A workpiece picking device includes a sensor measuring a plurality of workpieces randomly piled in a three-dimensional space; a robot folding the workpieces; a hand mounted to the robot and hold the workpieces; a holding position posture calculation unit calculating holding position posture data of a position and a posture to hold the workpieces by the robot based on an output of the sensor; a loading state improvement operation generation unit generating loading state improvement operation data of improving a loading state of the workpieces by the robot based on an output of the sensor; and a robot control unit controlling the robot and the hand. The robot control unit controls the robot and the hand based on an output of the holding position posture calculation unit and the loading state improvement operation generation unit to pick the workpieces or perform a loading state improvement operation.. ... Fanuc Corporation

08/09/18 / #20180221990

Laser machining system including laser machining head and imaging device

A machining system includes a laser irradiation device, a camera that captures an image of a workpiece, and a display that displays the image captured by the camera. The machining system includes a robot control device that controls the camera and the display. ... Fanuc Corporation

08/02/18 / #20180218833

Multi-phase iron-core reactor having function of changing magnitude of inductance

A multi-phase iron-core reactor has an iron core and windings. The iron core includes an outer iron core and an inner iron core. ... Fanuc Corporation

08/02/18 / #20180217577

Information management system, server, information management method, and storage medium

A server for storing a machining result of a machine tool and one or a plurality of first terminals connected to the server via a network are included. The server includes an information disclosure part for disclosing the machining result, a request acceptance part for accepting from each of the first terminals a request for the machining result disclosed by the information disclosure part, and a machining condition provision part for providing each of the first terminals with a machining condition corresponding to the machining result in response to the request accepted by the request acceptance part. ... Fanuc Corporation

08/02/18 / #20180217574

Numerical controller

To provide a controller capable of exerting acceleration/deceleration control more accurately than has been exerted conventionally and capable of reducing the occurrence of shock and shortening cycle time. A numerical controller outputs a movement command for a drive axis of a machine based on a command in a program for controlling the machine having the drive axis controlled by a servo motor. ... Fanuc Corporation

08/02/18 / #20180217567

Controller

A controller that allows reteaching of a machine made up of a plurality of mechanisms to be easily performed is provided. The controller includes a machine position acquiring section that acquires the current positions of mechanisms, a reteach block search section that assigns rank order numbers to linkage information that indicates linkage between blocks of a plurality of machine control programs on the basis of relation between the current positions of the mechanisms and taught positions in blocks in the machine control programs that are indicated as being linked to one another by the linkage information, a search result output section that outputs blocks relating to the linkage information on the basis of the rank order numbers assigned by the reteach block search section, and a reteach result reflecting section that reflects, in blocks of the plurality of machine control programs that are selected as blocks to be retaught, the current positions of the mechanisms as positions to be retaught.. ... Fanuc Corporation

08/02/18 / #20180215555

Article conveying device using at least one sensor

An article conveying device, capable of selecting and taking out an appropriate article, even when plural articles are conveyed while overlapping each other. The device has: a supplying section for conveying articles; a position/orientation detecting section for detecting 3-d position/orientation of the article on the supplying section; a movement amount detecting section for detecting an amount of movement of the supplying section; a working section for taking out the article while following a conveying motion of the supplying section, based on the detected 3-d position/orientation and based on the detected amount of movement; and an article selecting section for, when the articles are conveyed while being overlapped with each other, selecting an article to be taken out, on which another article is not overlapped on the object in a determined take-out direction, and outputting a command to the working section for taking out the selected article.. ... Fanuc Corporation

08/02/18 / #20180215034

Skew and circular boundary for line tracking and circular tracking

A method for controlling motion of a robot relative to a conveyor flow direction of a moving conveyor includes the steps of: establishing a tracking frame for coordinating a position and movement of the robot relative to an object support surface of the conveyor; setting an upstream boundary perpendicular or skewed to a conveyor flow direction of the conveyor; setting a downstream boundary perpendicular or skewed to the conveyor flow direction; optionally setting a circular boundary partially overlapping the upstream boundary and the downstream boundary, wherein the upstream boundary, the downstream boundary and the circular boundary are positioned to define a picking area relative to the support surface; and operating the robot to pick objects from the picking area.. . ... Fanuc Corporation

08/02/18 / #20180214978

Laser device

A laser device includes a light-emitting unit that generates a laser beam, an amplification unit that amplifies the laser beam generated by the light-emitting unit, a power supply unit that supplies power for generating the laser beam to the light-emitting unit, a plate-like cooling unit including a first cooling surface and a second cooling surface positioned opposite to the first cooling surface, and a housing in which the light-emitting unit, the amplification unit, the power supply unit, and the cooling unit are housed. The power supply unit and the light-emitting unit are arranged adjacent to the first cooling surface of the cooling unit. ... Fanuc Corporation

08/02/18 / #20180214962

Wire electrical discharge machine

A wire electrical discharge machine includes: an electrode unit for supplying a machining current to an electrode gap; a switch for changing impedance between a machining power source and the electrode unit; and a controller for, at the time of a core retaining process, controlling the switch to set the impedance to be higher than the impedance in a cutting process and thereby suppressing the machining current flowing through the electrode gap.. . ... Fanuc Corporation

07/26/18 / #20180212980

System and method of detecting intrusion into communication environment

A system capable of detecting an artful risk of intrusion into a communication environment, and protecting the communication environment from the risk. The system includes a security incident detection section configured to monitor information or communication in a communication environment and detect occurrence of a security incident in the communication environment, a normal workflow execution section configured to simulatively execute a normal workflow in a test communication environment in response to detection of the security incident by the security incident detection section, and a communication monitoring section configured to monitor information or communication in the test communication environment when executing the normal workflow in the test communication environment.. ... Fanuc Corporation

07/26/18 / #20180212549

Motor drive device

A motor drive device has an abnormality detection function for a power supply unit between its own device and a power supply, and includes: a forward converter that is inputted ac power from the power supply via the power supply input part, and converts the ac power into dc power; a reverse converter that converts the dc power from the forward converter into ac power; a dc link capacitor provided to a dc link between the forward converter and the reverse converter; a voltage detection part that detects voltage of the dc link capacitor; and an abnormality detection part that obtains a voltage change amount for a predetermined time of the dc link capacitor based on voltage values detected by the voltage detection part, and performs abnormality detection on the power supply input part based on the voltage change amount thus obtained.. . ... Fanuc Corporation

07/26/18 / #20180212543

Control device of induction motor

The control device of an induction motor includes a current command maximum value setting portion that sets an excitation current command maximum value and a torque current command maximum value. The current command maximum value setting portion changes, when the induction motor is accelerated/decelerated, the excitation current command maximum value based on which one of first and second excitation current command maximum values is lower, and changes the torque current command maximum value based on the excitation current command maximum value and an allowable maximum current value of a drive portion. ... Fanuc Corporation

07/26/18 / #20180211442

Information display system

Provided is an information display system configured to display auxiliary information in a real space in a superimposed manner, depending on the visibility of a workpiece. The information display system is provided with a mapping unit configured to photograph the workpiece and create model data indicative of the shape of the workpiece, a complementary unit configured to generate a 3d model image of at least a part of the workpiece based on 3d model data of the workpiece and complement an invisible part of the workpiece by the 3d model image, and a display unit configured to display the 3d model image so as to be superimposed on the invisible part of the workpiece.. ... Fanuc Corporation

07/26/18 / #20180210889

Controller for wire electrical discharge machine

A controller for a wire electrical discharge machine includes: an abnormality location calculating unit that calculates an abnormality location at a time when an abnormality of the wire electrode has occurred on a wire running path; a solution information storage unit that stores abnormality locations and solution information in association with each other; a priority setting unit that sets a degree of priority for each of the abnormality locations according to a history of the abnormality location; and a display control unit that causes a display unit to display the solution information corresponding to each of the abnormality locations by taking the degree of priority into account.. . ... Fanuc Corporation

07/26/18 / #20180210434

Robot system including force-controlled pushing device

A robot system including a force-controlled pushing device which causes, when a robot is guided and moved, an object provided at a tip end of the robot to be brought into appropriate contact with another object. The robot system includes the robot, the force-controlled pushing device, a robot operation input measuring part, a robot movement command calculating part, a pushing direction setting part, a target pushing force setting part, a force measuring part, and a force-controlled pushing device movement command calculating part. ... Fanuc Corporation

07/26/18 / #20180210431

Action information learning device, action information optimization system and computer readable medium

To perform reinforcement learning that enables selecting action information for shortening a cycle time while also avoiding the occurrence of overheating. An action information learning device (300) includes: a state information acquisition means (310) for acquiring state information including an operation pattern of a spindle and a combination of parameters related to machining of a machine tool (100); an action information output means (320) for outputting action information including adjustment information for the operation pattern and the combination of parameters included in the state information; a reward calculation means (333) for acquiring judgment information which is information for temperature of the machine tool (100) and a machining time related to the machining of the machine tool (100), and calculating a value of a reward for reinforcement learning based on the judgment information thus acquired; and a value function update means (332) for updating a value function by performing the reinforcement learning based on the value of the reward, the state information and the action information.. ... Fanuc Corporation

07/26/18 / #20180210417

Device and method of controlling machine tool, to control synchronized operation of spindle axis and feed axis

A controller controlling a synchronized operation of spindle and feed axes. The controller is configured to make a spindle axis perform an accelerated rotation at maximum capacity from a starting position aiming at a maximum rotation speed; detect a maximum acceleration of the spindle axis; detect a residual rotation amount of the spindle axis; detect a current speed of the spindle axis; and execute a position control for making the spindle axis perform a decelerated rotation so as to reach a target position, after the accelerated rotation at maximum capacity. ... Fanuc Corporation

07/26/18 / #20180210414

Programmable controller

A programmable controller capable of checking accessible signal addresses for each of ladder programs is provided. The programmable controller includes signal address setting extraction means for extracting an available address setting table from each of the ladder programs; a signal address overlap determination section for determining whether there is an overlap between the respective ranges of signal addresses used as signal write destinations by the ladder programs, based on the available address setting tables extracted by the signal address setting extraction means; and a ladder program execution section for executing the plurality of ladder programs if the signal address overlap determination section determines that there is no overlap between the respective ranges of signal addresses used as signal write destinations by the ladder programs.. ... Fanuc Corporation

07/26/18 / #20180210406

Numerical controller and machine learning device

A numerical controller has a machine learning device that performs machine learning of the adjustment of a setting value used in override control. The machine learning device acquires state data showing states of the numerical controller and a machine, sets reward conditions, calculates a reward based on the state data and the reward conditions, performs the machine learning of the adjustment of the setting value used in override control, and determines the adjustment of the setting value used in override control, based on a machine learning result and the state data.. ... Fanuc Corporation

07/26/18 / #20180209867

Motor vibration cause determination system

A motor vibration cause determination system includes: a vibration sensor unit capable of detecting vibration of the motor in a driving state, the vibration sensor unit detecting a first vibration which is vibration of the motor in a stand-alone state before shipping, a second vibration which is vibration of the motor in a stand-alone state and in a non-connection state in which the motor is not connected to the main shaft after shipping, and a third vibration which is vibration of the motor in the connection state; a vibration information storage unit that stores information on the vibration of the motor detected by the vibration sensor unit, the information including information on the first, second, and third vibrations; and a vibration cause determination unit that determines the cause of vibration occurring in the connection state on the basis of the vibration information stored in the vibration information storage unit.. . ... Fanuc Corporation

07/26/18 / #20180207804

Process system including robot that transfers workpiece to process machine

A process system includes a detection device that detects a rotation angle of a workpiece when a robot grips the workpiece. The control device includes a storage unit that stores a reference rotation angle serving as a criterion for the rotation angle of the workpiece, and an error calculation unit that calculates a rotation error relative to the reference rotation angle in the rotation angle of the workpiece detected by the detection device. ... Fanuc Corporation

07/26/18 / #20180207801

Robot program modification device, robot control device, robot simulation device, and robot program modification method

A robot program modification device including a program storage unit that stores an operation program for a robot, a program execution unit that executes the stored operation program, a stop position estimation unit that estimates, at each operation position of the robot during execution of the operation program, a stop position of the robot in a case of cutoff of power, based on a movement speed of the robot, a stop position determination unit that determines whether the estimated stop position is in a predetermined region or not, and a speed modification unit that modifies, in a case where the stop position is determined to be outside the region, a set speed in the operation program such that a movement speed at the operation position corresponding to the stop position is reduced.. . ... Fanuc Corporation

07/26/18 / #20180207797

Control system having learning control function and control method

A robot control system includes an operation control unit, a learning control processing unit and a storage unit. Whenever the operation control unit performs a single learning control, the learning control processing unit stores the number of learning controls, which indicates how many learning controls have been performed, and obtained time-series vibration data in correspondence with each other in the storage unit. ... Fanuc Corporation

07/26/18 / #20180207762

Machining system including robot for transporting machined article and article transporting method

A machining system includes: a working machine that machines an article while supplying a dielectric working fluid to the article; a robot that transports the machined article from the working machine; a controller that controls the robot; and a recessed wall part that is provided outside the working machine so as to demarcate the transport path of the article. The robot includes a gripping part that grips the article and a rotating part that rotates the gripping part. ... Fanuc Corporation

07/26/18 / #20180207740

Arc sensor adjustment device and arc sensor adjustment method

An arc sensor adjustment device and adjustment method for carrying out highly-accurate copying control. A welding system includes a welding torch, a welding power source that supplies power to the welding torch, a robot and a robot controller that cause the welding torch to oscillate, and an arc sensor that obtains a welding current or a welding voltage generated during welding while oscillating the welding torch. ... Fanuc Corporation

07/26/18 / #20180207737

Numerical controller

The numerical controller creates a machining path on which a wire electrode is moved by analyzing blocks of a machining program, and creates interpolation data indicating an amount of movement for each interpolation period on the machining path. Further, the numerical controller calculates a length of the wire electrode used for machining (machined surface length) for each interpolation period, calculates a consumption amount of the wire electrode for each interpolation period, calculates a compensation amount for compensating the amount of movement based on the interpolation data, on the basis of the calculated consumption amount and compensates the amount of movement indicated by the interpolation data, based on the calculated compensation amount.. ... Fanuc Corporation

07/26/18 / #20180207718

Assembly system, assembling method, and assembly unit

An assembly system includes a molding machine that molds first parts and second parts and a robot having an assembly unit including a first holder that holds the first parts and a second holder that holds the second parts with each other. The first parts and the second parts that are molded by the molding machine are removed from the mold while being held by the first holder and the second holder of the robot. ... Fanuc Corporation

07/19/18 / #20180204667

Three-phase reactor including vibration suppressing structure part

A three-phase reactor includes an outer peripheral iron core for surrounding the outer periphery of the three-phase reactor, and at least three iron core coils, which are in contact with or coupled to the inner surface of the outer peripheral iron core. The at least three iron core coils includes iron cores and coils wound around the iron cores. ... Fanuc Corporation

07/19/18 / #20180203433

Numerical controller

A numerical controller first creates a shortest path which does not interfere with an interfering object and shortens a movement distance from a start point to a cutting start position, and then, creates one or more alternative paths having a smaller number of break points than the shortest path when determining a movement path of a tool from the start point to the cutting start position. Then, each of a movement time along the shortest path and a movement time along the alternative path is calculated, and the alternative path having the shorter movement time than the shortest path is determined as the movement path.. ... Fanuc Corporation

07/19/18 / #20180203430

Numerical controller

In order to retrieve a specific block from a machining program, a numerical controller calculates the distance between a command path based on one of blocks included in the machining program and a current position of a tool and, based on the calculated distance, displays only that one of the blocks included in the machining program which is located closest to the current tool position or displays a plurality of blocks side by side in the ascending order of distance from the current tool position.. . ... Fanuc Corporation

07/19/18 / #20180203429

Controller

A controller includes a reference-sphere position obtaining unit that obtains coordinate values, on three linear axes, of a reference sphere placed on a table. The coordinate values are measured by controlling the three linear axes while a target rotation axis for which rotation axis center position is to be measured is positioned at three or more locations. ... Fanuc Corporation

07/19/18 / #20180200890

Offline programming device and position-parameter correcting method

Provided is an offline programming device that generates, while being offline, a program for operating a robot, wherein, when a coordinate system that serves as a reference for the robot is changed, a position parameter generated on the basis of a coordinate system before the change is automatically corrected on the basis of the coordinate system before the change and a coordinate system after the change so that absolute positions of the position parameter become equal to each other before and after the change.. . ... Fanuc Corporation

07/19/18 / #20180200886

Robot control device

A robot control device includes a position-accuracy-information storage unit that stores position accuracy information at a plurality of division points defined when an operating area space of the multi joint robot is divided into a plurality of areas in a grid shape, a position-accuracy calculation unit that calculates position accuracy at the end-effector position based on the position accuracy information and the current end-effector position of the multi-joint robot, and a position-accuracy output unit that outputs the calculated position accuracy to an outside.. . ... Fanuc Corporation

07/19/18 / #20180200885

Robot control device

A robot control device includes a parameter estimating unit that causes a robot to operate under estimation conditions input by a user and that estimates a load parameter of a load attached to the robot, a torque calculating unit that calculates operation torques of respective joints of the robot caused to operate during the estimation of the load parameter, and an alert unit that issues an alert to the user when the difference between the maximum value and the minimum value of the operation torques is equal to or less than a predetermined threshold.. . ... Fanuc Corporation

07/19/18 / #20180200882

Servomotor control device, servomotor control method, and computer readable recording medium

A servomotor control device includes: a driven body configured to be driven by a servomotor; a connection mechanism configured to connect the servomotor and the driven body; a position command generation unit configured to generate a position command value for the driven body; a motor control unit configured to control the servomotor using the position command value; a force estimation part configured to estimate a force estimated value which is a drive force acting on the driven body at a connecting part with the connection mechanism; and a compensation amount generation part configured to generate a compensation amount for compensation the position command value generated by the position command generation part, using a product of the force estimated value and a coefficient indicating a physical constant, in which the coefficient indicating the physical constant changes by the force estimated value or a magnitude of the compensation amount thus generated.. . ... Fanuc Corporation

07/19/18 / #20180200881

Human-collaborative robot system having safety assurance operation function for robot

A human-collaborative robot system includes a first force detection section that detects external force acting on a robot; a second force detection section that detects only an operating force acting on the robot when a human manually operates the robot; and a safety assurance operation command section that, in the case where the external force detected by the first force detection section exceeds a predetermined threshold value, commands a safety assurance operation of causing the robot to move in a direction that reduces the external force or causing the robot to stop. When the human is manually operating the robot while the robot is in the stopped state, the safety assurance operation command section compares a value obtained by subtracting the operating force detected by the second force detection section from the external force detected by the first force detection section with a predetermined threshold value.. ... Fanuc Corporation

07/19/18 / #20180200838

Laser processing method

To provide a laser processing method capable of performing laser processing quickly and inexpensively without causing cracks, damages, and deformations of a ceramic workpiece. When a workpiece is irradiated with the laser beam, the product of an irradiation time, a power, by an absorption rate of the laser beam is set to be equal to or more than an energy required for melting a volume of a melting target portion of the workpiece. ... Fanuc Corporation

07/19/18 / #20180200833

Laser machine

To provide a laser machine capable of reliably drilling a small hole when drilling of the workpiece is performed. A laser machine 1 includes: a laser oscillator; a light guide path; a processing head; and a nozzle. ... Fanuc Corporation

07/19/18 / #20180200832

Nozzle for laser processing head

To provide a nozzle for laser processing head capable of reliably drilling a small hole when drilling of the workpiece is performed by using a laser machine. A nozzle includes: a nozzle tip body that irradiates a workpiece with a laser beam; a charge port formed in the nozzle tip body; an exhaust port formed in the nozzle tip body so as to oppose to the charge port; and an elastic member that is provided in a tip end of the nozzle tip body and contacts with the workpiece while elastically extending and contracting in the axial center direction of the nozzle tip body. ... Fanuc Corporation

07/19/18 / #20180200815

Wire electrical discharge machine and machining method

A wire electrical discharge machine includes: a multiple number of switching elements connected in parallel with each other and configured to supply the machining current to the electrode gap to perform electrical discharge machining; a multiple number of switches each connected in series with the associated one of the multiple switching elements and configured to cut off each of the multiple switching elements; and a control device configured to perform control when at least one of the multiple switching elements fails so as to disconnect the failed switching elements by means of the associated switches and also change the machining conditions in accordance with the number of the failed switching elements.. . ... Fanuc Corporation

07/12/18 / #20180198346

Motor

A motor is provided that is capable of eliminating the need to prepare (develop, manufacture, or possess) motor bodies and rotary encoders of multiple different specifications by facilitating connections to motor bodies or rotary encoders having different contact positions. In a motor 1 including a motor body and a rotary encoder, the motor body includes a motor body side connector with a motor body side contact and the rotary encoder includes a rotary encoder side connector with a rotary encoder side contact. ... Fanuc Corporation

07/12/18 / #20180197311

Visual sensor abnormality cause estimation system

A camera abnormality cause estimation system for estimating the causes of abnormalities in a camera in a production system in which the camera controls a robot. The production system includes a robot, a camera that detects visual information of the robot or the surrounding thereof, and a controller that controls the robot based on an image signal obtained by the camera. ... Fanuc Corporation

07/12/18 / #20180197112

Machine learning device that learns shocks to teaching device, shock prevention system of teaching device, and machine learning method

A machine learning device, which learns shocks to a teaching device, includes a state observation unit which observes data based on an inclination of the teaching device or a present position of the teaching device; a label obtaining unit which obtains a label based on a shock received by the teaching device; and a learning unit which generates a learning model based on an output of the state observation unit and an output of the label obtaining unit.. . ... Fanuc Corporation

07/12/18 / #20180196405

Machine learning device for machine tool and thermal displacement compensation device

A machine learning device that can optimize an equation for estimating a thermal displacement amount of a machine element based on the operating state of the machine element. The device acquires operating state data of the machine element, acquires a measured value for the thermal displacement amount, stores the operating state data and measured values for the thermal displacement amount of the machine element as training data associated together as a label, sets an equation for calculation the thermal displacement amount based on the operating state data, calculates an estimated value for the thermal displacement amount by substituting the operating state data into this equation, determines whether a difference between the estimated value for the thermal displacement amount and the measured value for the thermal displacement amount is no more than a predetermined threshold.. ... Fanuc Corporation

07/12/18 / #20180195915

Rotation-shaft joint structure

A force acting on a link is detected at low cost. Provided is a rotation-shaft joint structure including: a driving-force generating part including a fixed member that is fixed to a base member, and a movable member that is rotationally driven about a predetermined axis relative to the fixed member; a link member that is fixed to the movable member of the driving-force generating part; and a uniaxial strain sensor that is attached to the link member or the movable member, at a surface located in a space between a fixed area over which the link member is fixed to the movable member and the outer circumferential surface of the driving-force generating part about the axis, to detect the strain of the surface.. ... Fanuc Corporation

07/12/18 / #20180195600

Gearbox, weight reduction method therefor, and robot

A reduction in the amount of filled grease and a reduction in weight are achieved, and an excessive rise in the internal pressure is suppressed. Provided is a gearbox including: a plurality of gears that are rotated by a motor; a housing that has a sealed interior space for rotatably accommodating the respective gears; and a spacer that is disposed in the interior space of the housing and that partially occupies the interior space, wherein the spacer has a lower density than grease and is elastically deformable so as to change the volume thereof according to the internal pressure of the interior space.. ... Fanuc Corporation

07/12/18 / #20180194008

Calibration device, calibration method, and computer readable medium for visual sensor

For calibration on a single camera or a stereo camera, a calibration range is set in advance in an image coordinate system and the calibration is performed in an arbitrary range. A visual sensor controller is a calibration device that associates a robot coordinate system at a robot and an image coordinate system at a camera by placing a target mark at the robot, moving the robot, and detecting the target mark at multiple points in a view of the camera. ... Fanuc Corporation

07/12/18 / #20180194007

Calibration device, calibration method, and computer readable medium for visual sensor

A parameter for detecting a target mark 5 is not required to be set for each camera repeatedly while a stereo camera 2 is calibrated. A calibration device 1 associates position information in an image coordinate system at a first camera 21 of a stereo camera 2, position information in an image coordinate system at a second camera 22 of the stereo camera 2, and position information in a robot coordinate system at a robot 4. ... Fanuc Corporation

07/12/18 / #20180194005

Article conveying apparatus

Provided is an article conveying apparatus including a three-dimensional sensor that measures a three-dimensional shape of an article; an adhering portion that is made to adhere to a surface of the article; a moving mechanism that moves a position of the adhering portion in a three-dimensional manner; and a control unit that controls the moving mechanism. The control unit is provided with a center-of-gravity calculating portion that calculates a center of gravity of the article on the basis of the three-dimensional shape of the article measured by the three-dimensional sensor and controls the moving mechanism so as to place the adhering portion in the vicinity of the center of gravity calculated by the center-of-gravity calculating portion.. ... Fanuc Corporation

07/12/18 / #20180193945

Combined machining method and computer readable medium

An absorptivity of a work is adjusted easily before laser machining is performed. A combined machining method performed by an apparatus including laser machining means and mechanical machining means includes a first step of performing mechanical machining with respect to a laser machining target region which is a target of laser machining on a machining target so that the laser machining target region has a surface shape having a predetermined absorptivity of a laser beam; and a second step of radiating a laser beam to the laser machining target region to heat the machining target after the first step ends.. ... Fanuc Corporation

06/28/18 / #20180183280

Structure of single-phase reactor

A single-phase reactor includes an outer peripheral iron core, at least four iron cores, which are in contact with or coupled to the inner surface of the outer peripheral iron core, and coils which are wound around at least two iron cores of the at least four iron cores. Gaps, which can be magnetically coupled, are each formed between two adjacent ones of the at least four iron cores, or are formed between the at least four iron cores and a central iron core positioned at the center of the outer peripheral iron core.. ... Fanuc Corporation

06/28/18 / #20180182540

Electromagnetic device

An electromagnetic device includes an outer peripheral iron core, and at least three iron core coils which are in contact with or coupled to the inner surface of the outer peripheral iron core. The at least three iron core coils each include an iron core, and at least one of a primary coil and a secondary coil, which are wound around the iron core. ... Fanuc Corporation

06/28/18 / #20180182529

Transformer including gaps

A transformer includes an outer peripheral iron core, and at least three iron core coils, which are in contact with or coupled to the inner surface of the outer peripheral iron core. The at least three iron core coils each include an iron core, and at least one of a primary coil and a secondary coil, which are wound around the iron core. ... Fanuc Corporation

06/28/18 / #20180182522

Reactor including iron cores and rectifier, lc filter, and motor drive apparatus including the same

A reactor includes a plurality of iron cores and a winding wound on any of the plurality of iron cores; a gap is formed between two iron cores facing against each other; a gap-facing surface of one iron core has an area larger than that of a gap-facing surface of the other iron core.. . ... Fanuc Corporation

06/28/18 / #20180181114

Learning model construction device and overheat prediction device

A learning model construction device used in a machine tool which performs cutting processing constructs a learning model for learning temperature-related information after processing of a spindle motor during cutting processing. A learning model construction device includes an input unit that inputs cutting processing conditions and a present temperature of a spindle motor. ... Fanuc Corporation

06/28/18 / #20180181108

Numerical controller and machine learning device

A numerical controller calculates a machining path based on a lathe turning cycle instruction and the settings of a machining path and machining conditions of the lathe turning cycle instruction. An evaluation value used to evaluate cycle time required for machining a workpiece performed according to the calculated machining path and the machining quality of the machined workpiece is calculated to perform machine learning of adjustment of the machining path and the machining conditions. ... Fanuc Corporation

06/28/18 / #20180181106

Machine tool, production management system and method for estimating and detecting tool life

To efficiently estimate and detect a tool life of a machine tool while lowering an occupation ratio in a data band of a communication line between a machine tool and an upper-level controller, a management apparatus or the like. A machine tool to be managed by a production management apparatus includes a motor for moving one of a workpiece to be machined and a tool for performing a machining operation, an amplifier for driving the motor, a servo controller for controlling the motor via the amplifier based on a notification of a predetermined machining operation, and an nc device for notifying the servo controller of the predetermined machining operation. ... Fanuc Corporation

06/28/18 / #20180181105

Tool life estimating device

Provided is a tool life estimating device that enables estimation of a life of a tool used in a machine tool according to changes in machining conditions. The tool life estimating device includes a state observation unit that acquires machining information indicative of a status of the machining in a state where the life of the tool remains sufficiently, wherein the machining information is acquired from log data recorded while the machine tool is operated, and creates input data based on the machining information that has been acquired; a learning unit that constructs a learning model in which clusters of the machining information are created by unsupervised learning using the input data that has been created by the state observation unit; and a learning model storage unit that stores the learning model.. ... Fanuc Corporation

06/28/18 / #20180181101

Numerical controller

A numerical controller of the present invention includes a command analyzing unit configured to read out and analyze a block from a program and generate moving command data on the basis of the analysis result, an interpolating unit configured to generate interpolation data by performing interpolation processing on the basis of the moving command data, a servo control unit configured to control each axis on the basis of the interpolation data, a path displacement determining unit configured to calculate a distance between a program command path commanded by the program and a tool tip point of the tool after a moving amount of each axis in this control period on the basis of the moving command data, the interpolation data and a current position of each axis and determines whether or not the calculated distance is equal to or greater than an acceptable amount defined in advance, and an alerting unit configured to output an alert in the case where the distance is determined that it is equal to or greater than the acceptable amount defined in advance.. . ... Fanuc Corporation

06/28/18 / #20180181100

Numerical controller

A numerical controller drives, through pressure control, two motors which drives two tables of a driving apparatus while keeping these two tables parallel with each other. When there is a positional deviation between the two motors, the numerical controller calculates a correcting pressure based on correction gains indicating relationships between pressure and position stored in advance and corrects pressure command values of the two motors based on the correcting pressure.. ... Fanuc Corporation

06/28/18 / #20180181097

Retrieval system and retrieval method

Information representing an operating state of each of a plurality of robots, etc. Operating under different operation conditions are retrieved and outputted. ... Fanuc Corporation

06/28/18 / #20180180085

Machine learning device for learning assembly operation and component assembly system

A machine learning device includes a state observation unit for observing state variables that include at least one of the state of an assembly constituted of first and second components, an assembly time and information on a force, the result of a continuity test on the assembly, and at least one of position and posture command values for at least one of the first and second components and direction, speed and force command values for an assembly operation; and a learning unit for learning, in a related manner, at least one of the state of the assembly, the assembly time and the information on the force, the result of the continuity test on the assembly, and at least one of the position and posture command values for at least one of the first and second components and the direction, speed and force command values for the assembly operation.. . ... Fanuc Corporation

06/28/18 / #20180178396

Robot hand

A robot hand includes: a first movable member including a first pushing surface pushed against a first surface of a workpiece and a second pushing surface pushed against a second surface of the workpiece, intersecting the first surface, supported in a manner capable of moving in a first direction perpendicular to the first pushing surface, a second movable member supported by the first movable member in a manner capable of relatively moving in a second direction intersecting a movement direction of the first movable member, a third pushing surface pushed against a third surface facing the second surface, an actuator for pressing the first and the second movable members in the first direction, and a pressing force conversion mechanism converting a part of the pressing force generated by the actuator into a pressing force in a direction of moving the second movable member relative to the first movable member.. . ... Fanuc Corporation

06/28/18 / #20180178392

Industrial-robot control device

Provided is an industrial-robot control device including a microphone attached to an industrial robot, a specific-sound detector that detects a specific sound from a sound picked up by the microphone, and a controller that allows the industrial robot to operate only during a period in which the specific sound is detected by the specific-sound detector.. . ... Fanuc Corporation

06/28/18 / #20180178379

Task planning device

Provided is a task planning device including a simulator that is configured to simulate operation of a robot system including a plurality of devices by using models of the plurality of devices allocated in a virtual space, a system state acquisition unit that is configured to acquire a state of the robot system, and a task plan generation unit that is configured to dynamically generate a task plan to be executed by the robot system by operating the simulator based on the state acquired by the system state acquisition unit and content of a task instructed by a user.. . ... Fanuc Corporation

06/28/18 / #20180178323

Laser processing head and laser processing system including the same

A laser processing head emits a laser beam to a workpiece that moves during laser processing and includes: optical path changing members that reflect, toward the workpiece, the laser beam emitted from a laser beam output section; a driver that changes posture of each of the optical path changing members; a control unit that controls the driver; and a memory device that stores target path information indicating a target path of the laser processing, in which the control unit receives information relating to a relative position of the workpiece with respect to the laser processing head, and controls the driver on the basis of the received information relating to the relative position and the target path information to perform the laser processing along the target path.. . ... Fanuc Corporation

06/28/18 / #20180178311

Spot welding system including tip dresser for polishing electrode

A spot welding system includes a spot welding gun, a robot, and a tip dresser that polishes a face of electrode. The tip dresser includes a blade that cuts the face of the electrode and a blade driving motor that rotates the blade. ... Fanuc Corporation

06/28/18 / #20180178309

Welding wire processing structure of arc welding robot

There is provided a welding wire processing structure, of an arc welding robot, including a wire hose for feeding a welding wire to a wire feeder that is attached to a rear portion of an arm provided with a welding torch at a tip, from a rear end surface of the wire feeder to a forward side, and a connector for attaching the wire hose to the rear end surface, where the connector connects the wire hose in a direction intersecting a feed direction of the welding wire by the wire feeder.. . ... Fanuc Corporation

06/21/18 / #20180175775

Motor drive device

A motor drive device includes: reverse converter that converts dc power from a forward converter into ac power; a dc link capacitor provided in a dc link; a first current detection part that detects current flowing between the forward converter and capacitor; a second current detection part that detects current flowing between the capacitor and reverse converter; a voltage detection part that detects a voltage of the capacitor; and a capacitance decline detection part that obtains a change value in electric charge of the capacitor from a n integrated value by integrated a predetermined time of a difference in current values detected by the current detection parts, obtains a capacitance value of the capacitor based on the obtained change amount in electric charge and change amount in voltage of the capacitor for the predetermined time, and detects a capacitance decline in the capacitor based on the obtained capacitance value.. . ... Fanuc Corporation

06/21/18 / #20180175718

Armature for linear motor and linear motor

An armature for linear motor having excellent precision in attachment to a machine and capable of reducing the likelihood of trouble in a resin layer, entry of a foreign material, and the like is provided. An armature comprises: a block attachment part provided to a machine attachment side of a core; a protection sheet having ability to be impregnated with resin and covering a surface of the core and a surface of the block attachment part; a block attached to the block attachment part and having a machine attachment surface arranged at the block attachment side of the core; and a resin layer covering the protection sheet covering the core. ... Fanuc Corporation

06/21/18 / #20180175716

Armature for linear motor, linear motor, and method of manufacturing armature for linear motor

An armature includes: an integrated core with multiple split cores coupled to each other; a coupling member for coupling the multiple split cores; a coil attached to the integrated core; a block attachment part provide to a machine attachment side of the integrated core; a protection sheet having ability to be impregnated with resin and covering a surface of the integrated core and a surface of the block attachment part; a block attached to the block attachment part and having a machine attachment surface arranged at the block attachment side of the integrated core; and a resin layer covering the protection sheet covering the integrated core. The machine attachment surface of the block is exposed from the resin layer.. ... Fanuc Corporation

06/21/18 / #20180175693

Motor having interphase insulation sheet mounted thereon

A motor includes: a stator core having a plurality of slots; and a winding inserted into the slot as distributed windings of three phases, wherein an interphase insulation sheet is mounted on a coil end of the winding. The interphase insulation sheet includes: planar insulating portions disposed so as to protrude from each of end surfaces of the stator core; a first leg portion and a second leg portion which integrally connect the planar insulating portions at the end surfaces and which are inserted into the slots; insulating convex portions that protrude toward an inner side in a radial direction of the stator core from the planar insulating portion; and a third leg portion that integrally connects the insulating convex portions at the end surfaces and which are inserted into the slot.. ... Fanuc Corporation

06/21/18 / #20180175684

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








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