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Toshiba Kikai Kabushiki Kaisha patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Toshiba Kikai Kabushiki Kaisha-related inventors


Machine tool and control method of machine tool

A control system of a machine tool includes a hydraulic pressure adjuster. The hydraulic pressure adjuster includes a sequence program controller that includes components for adding a function of adjusting a hydrostatic pressure of a static pressure oil supplied to a hydrostatic pressure guide mechanism, which are a pressure setting unit, a constant acceleration motion controller, a workpiece-weight calculator and a supply state adjuster.. ... Toshiba Kikai Kabushiki Kaisha

Method for treating molten cast iron

A method for treating molten cast iron includes, performing an inoculation treatment to the molten cast iron, with the use of an inoculant containing: 15 to 80 wt % si; either 80 to 100 wt % purity la or 80 to 100 wt % purity ce as re; ca; al; and the balance fe with inevitable impurities, by adding the inoculant to the molten cast iron such that: the addition amount of la or ce relative to the molten cast iron is 0.001 to 0.009 wt %; the addition amount of ca relative to the molten cast iron is 0.001 to 0.02 wt %; and the addition amount of al relative to the molten cast iron is 0.001 to 0.02 wt %.. . ... Toshiba Kikai Kabushiki Kaisha

Industrial machinery and control method thereof

An industrial machinery includes: a drive mechanism driving a control target that moves work or a tool; a motor; a first sensor detecting a position of the control target; a second sensor detecting a position of the motor; a current controller controlling a supply current to the motor; a servo controller outputting a torque instruction to the current controller; and a numerical controller calculating a processing force of the control target to the work based on position information on the control target acquired from the first sensor, position information on the motor acquired from the second sensor, and the torque instruction, the numerical controller determining that the tool is in failure if an absolute value of a first component of the processing force becomes equal to or larger than a first threshold value while processing the work, the first component having a frequency lower than a predetermined frequency.. . ... Toshiba Kikai Kabushiki Kaisha

Molding machine

A die casting machine includes a plurality of ejector pins capable of advancing and retracting together with respect to the internal portion of a die; an electric motor capable of driving the plurality of ejector pins; a position sensor capable of detecting the positions of the plurality of ejector pins; a force sensor capable of detecting the pressure which is given to the molding material inside the die by the plurality of ejector pins; a display device capable of displaying images, and a control device controlling the electric motor and display device. The control device includes a drive control part which controls the electric motor so as to generate a driving force making the plurality of ejector pins advance to the inside of the die after the start of injection and before die opening, and a display control part which controls the display device so as to display the position detected by a position sensor and the pressure detected by a force sensor along a common time axis.. ... Toshiba Kikai Kabushiki Kaisha

Liner-type barrel

A barrel main body, a sleeve, and a fixing mechanism (a fastening hole and a fastening device) are provided. The barrel main body includes a barrel hole having a cylindrical shape and a slit dividing an inner circumferential surface of the barrel hole. ... Toshiba Kikai Kabushiki Kaisha

Extruder screw, extruder, and extrusion method

At a part of the screw main body at which the kneading portion is provided, conveyance portions, a barrier portion and a path are provided at a plurality of places. At least one of the places, the path is provided inside the screw main body, and includes an entrance and an exit. ... Toshiba Kikai Kabushiki Kaisha

Extruder screw, extruder, and extrusion method

A conveyance portion, a barrier portion, and a path are provided at places of a screw main body in which a kneading portion is provided. In at least one of the places, the path is provided inside the screw main body, and includes an entrance and an exit. ... Toshiba Kikai Kabushiki Kaisha

Clip-type stretching apparatus

A clip-type stretching apparatus includes a main link device, a sub-link device, a standard rail, a pitch setting rail, and drive sprockets, the main link device including a first clip support member having a clip, the sub-link device having the clip, the standard rail defining a circulation route of the clip, the pitch setting rail setting a pitch between the first clip support members by a distance from the standard rail, the drive sprockets engaged with a drive roller provided in a first shaft member of the first clip support member and causing the first clip support member to travel.. . ... Toshiba Kikai Kabushiki Kaisha

Machine tool

A machine tool of the present embodiment includes: a column that is disposed in a vertically standing manner and has a predetermined linear expansion coefficient; a spindle head that is supported by the column and supports a horizontal spindle for attaching a tool thereto; and a reference bar that is disposed separately from the column and has a linear expansion coefficient that is different from the linear expansion coefficient of the column wherein the column has a column-side measurement target zone, the reference bar has a reference bar-side measurement target zone, and a measurement means measures a distance between the column-side measurement target zone and the reference bar-side measurement target zone.. . ... Toshiba Kikai Kabushiki Kaisha

Mold clamping apparatrus, molding apparatus and molding method

A mold clamping apparatus according to the present invention includes: a fixed platen to which one mold of a pair of molds is to be mounted; a movable platen which is disposed opposite the fixed platen and to which the other mold is to be mounted; a pressure-receiving platen connected to the fixed platen via tie bars; a mold opening/closing mechanism including a toggle link mechanism for opening/closing and clamping the molds by moving the movable platen back and forth; a drive mechanism including a servo motor for driving the mold opening/closing mechanism; and a control device for controlling the servo motor, wherein the control device includes an acceleration/deceleration adjustment section capable of adjusting an acceleration time, a deceleration time and a target speed of the servo motor during a mold clamping operation.. . ... Toshiba Kikai Kabushiki Kaisha

Movable platen, opening/closing apparatus and molding apparatus

A movable platen according to the present invention includes: a mold clamping platen having a projecting portion in a mold closing direction-side surface; a mold mounting platen mounted to the projecting portion of the mold clamping paten; and a guide mechanism fixed to the mold clamping paten and supporting the mold mounting platen. Only the mold clamping paten is fixed to the guide mechanism, while the mold mounting platen is not fixed but placed on platen surface support portions.. ... Toshiba Kikai Kabushiki Kaisha

Clamping device, molding apparatus, and molding method

A clamping device (14) comprises a pressure receiving platen (24), a stationary platen (20), a movable platen (22), a toggle mechanism (28), and a drive device (37). A first position detector (38a) detects the operation amount of the movable platen (22) based on the position of a crosshead (26); a pressure detector (35) detects the actual clamping force of a mold (19); and a second position detector (43) detects the actual position of the movable platen (22). ... Toshiba Kikai Kabushiki Kaisha

Toshiba Kikai Kabushiki Kaisha

. . ... Toshiba Kikai Kabushiki Kaisha

Molded article manufacturing method, molded article, and molded article manufacturing apparatus

An insert member (100) heated by a heating device (13) is conveyed, by means of a conveyance device (12), into a mold (51). Next, shaping is performed on the insert member (100) inside the mold (51), with the mold (51) being open by a minute distance. ... Toshiba Kikai Kabushiki Kaisha

11/16/17 / #20170326630

Die casting machine

A die casting machine includes a clamping device 7 which opens and closes and clamps a pair of die halves, an injection apparatus which performs injection to the pair of die halves by making a plunger move forward in a sleeve communicated with a space between the pair of die halves, and a control device which controls the clamping device and injection apparatus. The control device includes an injection control part and press-use clamping control part. ... Toshiba Kikai Kabushiki Kaisha

10/26/17 / #it is an object of the present invention to provide a light diffusing lens production apparatus which makes it possible to efficiently produce a high-quality light diffusing lens having enhanced optical properties.

Toshiba Kikai Kabushiki Kaisha

. . ... Toshiba Kikai Kabushiki Kaisha

10/05/17 / #20170282418

Sheet/film forming roll apparatus, sheet/film forming method

According to one embodiment, a rotating state of a second motor is transmitted to a second roll as it is. A posture of a rotation central axis of the second motor is maintained constant. ... Toshiba Kikai Kabushiki Kaisha

10/05/17 / #20170282243

Injection apparatus and molding machine

A flow rate control valve configuring a meter-out circuit of an injection cylinder is an overlap type where a first port starts to be opened by a spool passing through an overlapping range. The control device holds a characteristic table linking a command value of a control command to the flow rate control valve and a velocity of a plunger including also the movement of the plunger which occurs due to a gap flow even if the spool is located in the overlapping range. ... Toshiba Kikai Kabushiki Kaisha

09/28/17 / #20170274569

Movable platen support apparatus, movable platen, mold opening/closing apparatus and molding apparatus

The present invention provides a movable platen support apparatus which, with a linear guide having a minimum necessary load rating, can secure a sufficient traveling life of the linear guide and, in addition, can secure the rigidity of the linear guide which is necessary and sufficient taking into consideration a moment that acts on a movable platen. A movable platen support apparatus 40 according to the present invention includes a guide mechanism which movably engages a rail 41 extending on a frame 11 in the direction of movement of a movable platen 16, to which a movable mold 19 is to be mounted, and which movably supports the movable platen 16. ... Toshiba Kikai Kabushiki Kaisha

09/21/17 / #20170266756

Friction stir welding tool

A friction stir welding tool attachable to a spindle of a machine tool includes: a shank connected to the spindle; a chuck connected to the shank through a heat insulating portion; a welding tool connected to the chuck and usable for friction stir welding; and a cooling jacket provided on a circumferential surface of the chuck. The cooling jacket is provided with a refrigerant path for delivering a refrigerant.. ... Toshiba Kikai Kabushiki Kaisha

09/21/17 / #20170266755

Tool holder and machine tool

A tool holder of a machine tool, in which the machine tool includes a spindle head and a spindle supported by the spindle head, includes: a shank portion attached to the spindle; a rotary portion integrally provided to the shank portion and to which a welding tool (processing tool) used for friction stir welding is attachable; a bearing mechanism (bearing) supporting the rotary portion so that the rotary portion is rotatable; and a bearing holder holding the bearing mechanism, in which the bearing holder is disposed facing the spindle head and is capable of transmitting a load applied to the bearing mechanism to the spindle head.. . ... Toshiba Kikai Kabushiki Kaisha

09/14/17 / #20170259328

Molten metal feed pipe for molten nonferrous alloy, assembly of molten metal feed pipes, and nonferrous alloy casting system

A molten metal feed pipe for feeding a molten metal of an nonferrous alloy includes an outer tube made of a ferrous material, an inner tube made of a molten metal resistant material, and an intermediate member made of a compact of a fibrous non-organic material, which is disposed between the outer tube and the inner tube. The intermediate member, positioned in the central region of the molten metal feed pipe with respect to the longitudinal axial direction of the molten metal feed pipe, is disposed between the outer tube and the inner tube with the intermediate member being compressed in a radial direction of the molten metal feed pipe.. ... Toshiba Kikai Kabushiki Kaisha

08/10/17 / #to provide a polishing apparatus capable of avoiding an overshoot with respect to a target load at the time of polishing, which is caused when position control is switched to load control in the polishing apparatus of a type where a polishing body is supported by a head via an elastic mechanism.

Toshiba Kikai Kabushiki Kaisha

. . ... Toshiba Kikai Kabushiki Kaisha

08/10/17 / #20170225287

Grinding tool

The polishing apparatus includes: a holding section that holds a material to be polished; the polishing body that polishes the material to be polished held by the holding section; the head that supports the polishing body via the elastic mechanism; a driving mechanism that causes the head to be moved in a z coordinate direction; and a control unit that is connected to the driving mechanism and controls the driving mechanism. A load measurement device to measure a load applied to the polishing body is attached to the head, and the load measurement device is connected to the polishing body via the elastic mechanism.. ... Toshiba Kikai Kabushiki Kaisha

07/20/17 / #20170203482

Opening/closing apparatus and molding apparatus

The present invention aims to stably maintain the posture of a crosshead by means of guide bars without an increase in the size of a link housing or tie bars. An opening/closing apparatus according to the present invention includes: a pressure-receiving plate (14); a fixed platen (12) to which a fixed mold (18) is to be mounted; a frame (11) on which the pressure-receiving plate (14) and the fixed platen (12) are installed; and a movable platen (16) which is movable on the frame (11) and to which a movable mold (19) is to be mounted. ... Toshiba Kikai Kabushiki Kaisha

07/13/17 / #20170200385

Driving simulation test apparatus

A driving simulation test apparatus includes a movable body, a first translational drive portion that extends along a first direction, a first translational guide portion that extends along the first direction, and a plurality of first bases that extends along the first direction and is spaced from each other in a second direction. The first translational drive portion and the first translational guide portion are aligned in the second direction on each of the plurality of first bases, and the first translational drive portion includes a plurality of first translational drive portions arranged on each of the first bases.. ... Toshiba Kikai Kabushiki Kaisha

07/13/17 / #20170197287

Machine tool and method for correcting a position of a tip of the tool

A machine tool includes a mounting table, a tool, a shade detector, and a tool controller. A workpiece is placed on the mounting table. ... Toshiba Kikai Kabushiki Kaisha

06/15/17 / #20170165882

Molding system and method of manufacturing molded article

A molding system 10 for manufacturing a molded article q by integrally molding a sheet-shaped insert member s and a molding material r, the molding system comprising: a sheet supply part 20 configured to supply the insert member s; a sheet heating part 30 configured to heat the insert member s; a molding apparatus 100 configured to form the molded article q by integrally molding the insert member s and the molding material r; an ejector 200 including a delivery position 222 and configured to transfer the insert member s between the sheet heating part 30 and the molding apparatus 100 and to eject and transfer the molded article q from the molding apparatus; and a transfer robot configured to transfer the insert member s or the molded article q between the sheet supply part 20 and the ejector.. . ... Toshiba Kikai Kabushiki Kaisha

06/08/17 / #20170157822

Plasticizing device, injection device, molding apparatus, and manufacturing method of molded parts

1. A plasticizing device includes a barrel including a resin material supply port portion and a fiber supply port portion which is formed on a distal side from the resin material supply port portion; and a screw that comprises a shaft body and a flight, and is received in the barrel. ... Toshiba Kikai Kabushiki Kaisha

03/09/17 / #20170066085

T-die and method of manufacturing the same

On at least the edge portion (9e) of the lip portion (9) of a t-die (1), a cladding layer (10) is provided. The cladding layer is formed by laser build-up welding to a base material with a powder of a corrosion resistant and wear resistant alloy comprising a nickel-based alloy or a cobalt-based alloy. ... Toshiba Kikai Kabushiki Kaisha

02/23/17 / #20170050367

Extruder screw, extruder, and extrusion method

A conveyance portion, a barrier portion, and a path are provided at places of a portion of a screw main body in which a kneading portion is provided. In at least one of the places, an entrance is opened to cause raw materials, conveyance of which is limited by a barrier portion to increase pressure on the raw materials, to flow in. ... Toshiba Kikai Kabushiki Kaisha

02/16/17 / #20170043441

Precision machine tool

In a precision machine tool wherein a spindle head 20 that is movable in the up and down direction is disposed on a column 14 disposed on a bed 10 and a water storage space for storing temperature-regulated cooling water is formed inside the column 14, the column 14 has, in a lower part thereof, intake ports 38a and 38b through which cooling water is led into the water storage space, the column 14 has, in an upper part thereof, a drain opening 40 through which a cooling water is led outside, and an air vent hole 49 through which air in the column is discharged is formed at a position higher than the drain opening 40.. . ... Toshiba Kikai Kabushiki Kaisha








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