Patents Assigned to Toshiba Kikai Kabushiki Kaisha
  • WORK HOLDER, WORK SETTING APPARATUS, AND WORK SETTING METHOD
    Publication number: 20130152364
    Abstract: A work holder 25 has a cylindrical main body 27 and an adhesive 49 arranged at an opening of the main body 27 to hold a work even in a vacuum atmosphere.
    Type: Application
    Filed: November 27, 2012
    Publication date: June 20, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: Toshiba Kikai Kabushiki Kaisha
  • WORK SETTING APPARATUS AND METHOD THEREOF
    Publication number: 20130152368
    Abstract: A work setting apparatus includes a lower table 15 on which a first work W1 is set, an upper table 17, and a work holding unit 19 having a plurality of work holders 25 each having an adhesive to hold a second work W2. The work setting apparatus lowers the work holders until a predetermined short distance is established between the first and second works and drops the second work from the work holders onto the first work, thereby setting the second work onto the first work.
    Type: Application
    Filed: November 27, 2012
    Publication date: June 20, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: Toshiba Kikai Kabushiki Kaisha
  • Digital filter device, phase detection device, position detection device, AD conversion device, zero cross detection device, and digital filter program
    Patent number: 8468187
    Abstract: A digital filter device capable of removing the effect of noise such as chattering from a zero crossing signal is provided. A digital filter device 4 filtering a binary digital signal DIN and outputting a binary digital signal DOUT is provided with a toggle flip-flop 12 which switches a signal level of the digital signal DOUT each time a trigger signal is input; an XOR circuit 13 which outputs a first enable signal EN1 while a signal level of the digital signal DIN does not match with the signal level of the output digital signal DOUT; and a charge counter 14 which counts in synchronization with a clock signal CLK while the first enable signal EN1 is input and resets the count to an initial value and outputs a carry on signal ON_RCO as the trigger signal to the toggle flip-flop 12 when the count has reached an upper limit value.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: June 18, 2013
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Narutoshi Yokokawa, Shouichi Sato
  • MOLDING MACHINE CONTROLLING APPARATUS AND METHOD OF CONTROLLING MOLDING MACHINE
    Publication number: 20130147078
    Abstract: A pressure detector which detects a pressure of a material in a cylinder, and a pressure compensator which compares, in injection control, a preset value of an injection pressure with an actual measurement value of the injection pressure detected by the pressure detector, generates an injection speed command to a servo motor based on a comparison value, and varies a proportional gain based on a deviation of the actual measurement value of the injection pressure from the preset value of the injection pressure.
    Type: Application
    Filed: December 11, 2012
    Publication date: June 13, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: Toshiba Kikai Kabushiki Kaisha
  • METHOD FOR PRODUCING MELT SUPPLY PIPE FOR ALUMINUM DIE CASTING
    Publication number: 20130139372
    Abstract: There is provided a melt supply pipe for aluminum die casting which is strong to mechanical impact and is excellent in the melting loss resistance to a molten aluminum alloy and which has a significantly extended life. The melt supply pipe for connecting a melting furnace and a plunger sleeve of a die casting machine, includes an inner ceramic pipe and an outer steel pipe fitted to the inner pipe, wherein a Ni alloy layer is formed over the inner circumferential surface of the outer steel pipe, and TiC particles are bonded to the surface of the Ni alloy layer.
    Type: Application
    Filed: November 13, 2012
    Publication date: June 6, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: TOSHIBA KIKAI KABUSHIKI KAISHA
  • PAINTING ROBOT SYSTEM AND SPRAY GUN UNIT
    Publication number: 20130134236
    Abstract: A painting robot system includes a robot and a spray gun unit. The robot includes a plurality of robot arms and a drive shaft member disposed on a distal end robot arm of the multiple robot arms, the drive shaft member being rotatable about a distal end drive axis. The spray gun unit is mounted on the robot arm. The spray gun unit includes a support member fixed to the distal end robot arm, guide members disposed on the support member, a plurality of spray guns disposed on the support member, and a linkage mechanism connecting between the movable spray guns and the drive shaft member. A spacing between at least one pair of adjacent spray guns can be varied via the linkage mechanism by rotating the drive shaft member of the robot.
    Type: Application
    Filed: November 13, 2012
    Publication date: May 30, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: Toshiba Kikai Kabushiki Kaisha
  • Handling system, work system, and program
    Patent number: 8442668
    Abstract: A handling system able to efficiently process information relating to a plurality of conveyed articles, the handling system provided with a conveyer for conveying workpieces, a visual sensor for detecting positions of workpieces by acquiring images of a plurality of tracking ranges obtained by dividing a belt into sections, an encoder for detecting an amount of movement of the belt, a tracking manager for monitoring amounts of movement of the plurality of tracking ranges based on the amount of movement detected by the encoder and specifying the tracking range passing through a workpiece detection area, a workpiece manager for selecting the article in the tracking range specified by the tracking manager, and a controller for controlling operations of robots so as to hold the workpiece selected by the workpiece manager.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: May 14, 2013
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Yasunori Nishihara, Toshihiko Nakane
  • Method and apparatus for roll surface machining
    Patent number: 8424427
    Abstract: There is provided a roll surface machining method and apparatus for using a cutting tool to carry out ultra-precision machining in the surface of a roll with a reduced amount of data. The apparatus and method for roll surface machining includes setting a machining start position of a cutting tool with respect to the surface of the roll by C-axis indexing of the roll and positioning of the roll in the axial direction (Z-axis direction) both with respect to the cutting tool. Also the cutting tool and the roll are moved relative to each other in the axial direction of the roll by position control using C-Z axis interpolation, thereby forming a three-dimensional pattern in the surface of the roll.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: April 23, 2013
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Takanobu Akiyama, Sumihisa Kondo
  • Method and apparatus for machining roll surface
    Patent number: 8413557
    Abstract: There is provided a roll surface machining method and apparatus for using a cutting tool to carry out ultra-precision machining in the surface of a roll with a reduced amount of data. The apparatus and method for roll surface machining includes setting a machining start position of a cutting tool with respect to the surface of the roll by C-axis indexing of the roll and positioning of the roll in the axial direction (Z-axis direction) both with respect to the cutting tool. Also the cutting tool and the roll are moved relative to each other in the axial direction of the roll by position control using C-Z axis interpolation, thereby forming a three-dimensional pattern in the surface of the roll.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: April 9, 2013
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Takanobu Akiyama, Sumihisa Kondo
  • Machining method, program, machining-program generating program and machining apparatus of press die
    Patent number: 8414231
    Abstract: A machining method of a press die having a pierce cutter and a secondary relief-clearance area recessed inward relative to a profile of the pierce cutter. A plunge cutting tool has an edge portion protruding from an outer circumference of a tool body and can carve while rotating and moving in an axial direction of the tool body. While rotating the plunge cutting tool with an axis of the tool body being approximately parallel to a surface of the pierce cutter, the plunge cutting tool is relatively moved along the profile of the pierce cutter. The plunge cutting tool is also relatively moved in the axial direction of the tool body along the shape of the pierce cutter and the secondary relief-clearance area in a piercing direction each time the plunge cutting tool is relatively moved by a predetermined pitch.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: April 9, 2013
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Kouichi Katoh, Takamasa Itoh, Yoshiaki Mikami, Norihiro Miyazawa, Hirofumi Shinohara
  • Injection molding machine
    Patent number: 8393890
    Abstract: An injection molding machine that can prevent a stationary platen and a mold attached thereto from being tilted by applying a nozzle touch force. A connection part is mounted on a stationary platen via a connection pipe. The connection part is mounted on a connection mechanism via a block. A ball screw shaft as a nozzle touch drive mechanism is rotatably mounted on the connection mechanism. The block is adjusted for a mounting position thereof such that tilt in the stationary platen and a mold attached thereto is eliminated when the mold is attached to the stationary platen and a nozzle touch force is applied to the mold. The nozzle touch force prevents the stationary platen and the mold from being tilted.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: March 12, 2013
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Atsushi Takemoto, Hideaki Kitta
  • LASER DICING METHOD
    Publication number: 20130029444
    Abstract: A laser dicing method includes: placing a workpiece substrate on a stage; generating a clock signal; emitting a pulse laser beam synchronous with the clock signal; switching irradiation and non-irradiation of the workpiece substrate with the pulse laser beam in a unit of light pulse in synchronization with the clock signal to perform first irradiation of the pulse laser beam on a first straight line by controlling the pulse laser beam using a pulse picker; performing second irradiation of the pulse laser beam on a second straight line, which is adjacent to the first straight line in a substantially parallel fashion, after the first irradiation; and forming a crack reaching a workpiece substrate surface on the workpiece substrate by the first irradiation and the second irradiation.
    Type: Application
    Filed: July 24, 2012
    Publication date: January 31, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: Shoichi SATO
  • BACKUP POWER SUPPLY DEVICE, AND POWER OUTPUT METHOD
    Publication number: 20130015709
    Abstract: A backup power supply device configured to supply an electric power for backup to an optical encoder 11 when a main power supply 13 for driving the optical encoder 11 breaks down, the backup power supply device comprises: a battery 12 configured to storage a DC power; a capacitor 33 configured to storage a DC power, the capacitor 33 configured to supply an electric power for backup to the optical encoder 11 when the battery 12 cannot supply the electric power thereof; a discharge device 34 configured to discharge the electric power charged in the battery 12; and a periodical discharge controller 35 configured to perform control to intermittently output the electric power charged in the battery 12 to the discharge device 34 to consume the battery power.
    Type: Application
    Filed: March 7, 2011
    Publication date: January 17, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventors: Wataru Matsunaga, Kazuhiro Katsumata, Yutaka Yamaguchi
  • Metal material for parts of casting machine, molten aluminum alloy-contact member
    Patent number: 8349468
    Abstract: A Ni alloy layer is formed on a surface of a steel base on the side to be in direct contact with a molten aluminum alloy, and titanium carbide (TiC) is bonded in a particulate state to the surface of the Ni alloy layer. This makes it possible to provide a metal material having materially enhanced melting loss resistance without resorting to conventional techniques, such as the provision of a ceramic coating by PVD or CVD.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: January 8, 2013
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Jun Masuda, Shuhei Homma, Ryousuke Fujimoto
  • SHEET-SHAPED MOLD POSITION DETECTION DEVICE, TRANSFER DEVICE AND TRANFER METHOD
    Publication number: 20120326346
    Abstract: A sheet-shaped mold position detection device 183 for conveying and positioning a sheet-shaped mold M on which a fine transfer pattern M1 is formed. The sheet-shaped mold position dejection device 183 includes a sheet-shaped mold position detector 191 that detects a predetermined region of the sheet-shaped mold M by detecting transmittance of light in the sheet-shaped mold M.
    Type: Application
    Filed: February 24, 2011
    Publication date: December 27, 2012
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventors: Shinya Itani, Hiromi Nishihara, Takato Baba, Takaharu Tashiro, Takafumi Ookawa, Hidetoshi Kitahara
  • Melt supply pipe for aluminum die casting
    Patent number: 8333920
    Abstract: There is provided a melt supply pipe for aluminum die casting which is strong to mechanical impact and is excellent in the melting loss resistance to a molten aluminum alloy and which has a significantly extended life. The melt supply pipe for connecting a melting furnace and a plunger sleeve of a die casting machine, includes an inner ceramic pipe and an outer steel pipe fitted to the inner pipe, wherein a Ni alloy layer is formed over the inner circumferential surface of the outer steel pipe, and TiC particles are bonded to the surface of the Ni alloy layer.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: December 18, 2012
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Jun Masuda, Ryosuke Fujimoto
  • TRANSFER SYSTEM AND TRANSFER METHOD
    Publication number: 20120313289
    Abstract: A transfer system 1 comprising: a conveying/positioning device 3 configured to convey and position a flat sheet-shaped mold MA in a predetermined direction, on which a fine transfer pattern M1 is formed; a transfer device 5 configured to transfer the fine transfer pattern M1 to a molding target W, the transfer device 5 being provided on an upstream side in the conveying direction of the sheet-shaped mold MA; and a peeling device 7 configured to peel off the sheet-shaped mold MA and the molding target from those mutually clinging to each other, after the transfer by the transfer device 5 is performed and the conveyance by the conveying/positioning device 3 is performed, the peeling device 7 being provided on a downstream side in the conveying direction of the sheet-shaped mold MA.
    Type: Application
    Filed: February 24, 2011
    Publication date: December 13, 2012
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventors: Shinya Itani, Hiromi Nishihara, Takato Baba, Takaharu Tashiro, Takafumi Ookawa, Hidetoshi Kitahara
  • LOCKING APPARATUS AND CONTROL METHOD OF LOCKING APPARATUS
    Publication number: 20120306110
    Abstract: A locking apparatus includes a stationary platen on which a stationary die is mounted, a movable platen on which a movable die is mounted, a locking drive mechanism that advances or retreats the movable platen, an ejecting member held in the movable platen to remove a molded product from the movable die, a protruding drive mechanism that pushes out the ejecting member from the movable die, and an error detection unit that detects extraneous material based on a state change of the ejecting member or the protruding drive mechanism during a closing operation.
    Type: Application
    Filed: May 29, 2012
    Publication date: December 6, 2012
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: Harumichi Tokuyama
  • MOLDING MACHINE AND INJECTION MOLDING CONTROLLING METHOD
    Publication number: 20120306112
    Abstract: A molding machine according to an embodiment includes a stationary platen equipped with a stationary die, a movable platen equipped with a movable die, a locking drive mechanism to move the movable platen forward or backward and to lock the movable die against the stationary die, a detecting portion to detect information about a locking state, an injection device, and a control unit to monitor the information obtained by the detecting portion in an injecting process and to control an injection pressure of the injection device based on a value obtained from the information.
    Type: Application
    Filed: May 30, 2012
    Publication date: December 6, 2012
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventors: Harumichi Tokuyama, Haruyuki Matsubayashi, Takeshi Iida
  • Transfer apparatus having gimbal mechanism and transfer method using the transfer apparatus
    Patent number: 8318074
    Abstract: A transfer apparatus includes a table on which a molding material is placed, a mold holding body that fixes and holds a mold disposed such as to be opposed to a surface of the table, a gimbal member which holds the mold holding body and which forms a convex spherical surface portion, a gimbal member formed with a concave spherical surface portion which is opposed and in contact with the convex spherical surface portion, a movable body that holds the gimbal member and which can advance and retreat in the vertical direction with respect to the table surface, and an attitude adjusting/holding unit that adjusts and holds attitude of the gimbal member.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: November 27, 2012
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Mitsunori Kokubo, Yukio Iimura, Masakazu Kanemoto, Kentaro Ishibashi