Patents Assigned to FANUC Corporation
  • Patent number: 10744693
    Abstract: A control device of an injection molding machine, for controlling operations of multiple elements operating during the period of mold closing or mold opening, includes: an operation starting condition setting unit for, concerning at least part of the elements, setting an operation starting condition of one of the elements that operates in conjunction with another one thereof by an operator operating an operation unit; a group setting unit for classifying the elements based on the operation starting conditions so that elements operating in conjunction with each other belong to the same group; an operation sequence setting unit for setting order of the operations of the elements belonging to the same group based on the operation starting conditions; and a drive command generator for generating drive commands for driving the injection molding machine so as to cause the elements belonging to the same group to operate in the set order.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventors: Kazuyoshi Tanaka, Junpei Maruyama, Tatsuhiro Uchiyama
  • Patent number: 10744656
    Abstract: Provided is a line-shaped-item securing method including an elastic-body disposing step of disposing an elastic body so as to surround the periphery of one or more line-shaped items; a compressing step of compressing the elastic body, disposed around the periphery of the line-shaped items in the elastic-body disposing step, in a direction perpendicular to the lengthwise direction of the line-shaped items to dimensions smaller than a gap in a robot, through which the line-shaped items are to be passed; a line-shaped-item inserting step of inserting a portion of the line-shaped items, surrounded by the elastic body compressed in the compressing step, into the gap; and an expanding step of releasing the elastic body from compression, with the line-shaped items inserted into the gap in the line-shaped-item inserting step, thereby expanding the elastic body.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventors: Kazutaka Nakayama, Yasuyoshi Tanaka, Satoshi Adachi
  • Patent number: 10748703
    Abstract: A three-phase reactor includes: an outer peripheral iron core; and at least three iron-core coils that come in contact with an inner surface of the outer peripheral iron core or are joined to the inner surface. The at least three iron-core coils include corresponding iron cores and corresponding coils wound around the iron cores, and gaps that can magnetically connect one iron-core coil of the at least three iron-core coils and an iron-core coil adjacent to the one iron-core coil to each other are formed between the one iron-core coil of the at least three iron-core coils and the iron-core coil adjacent to the one iron-core coil.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventors: Masatomo Shirouzu, Takuya Maeda
  • Patent number: 10749393
    Abstract: A rotor includes a rotary member, a plurality of permanent magnets disposed on an outer circumference of the rotary member, and a cover tube that is mounted to outer circumference of the permanent magnets to cover the permanent magnets, and is formed of a fiber reinforced plastic. At least one of the rotary member and the permanent magnets has a diameter enlarged portion having a diameter enlarged circumferential surface. The diameter enlarged portion has a diameter that enlarges from a first diameter region to a second diameter region. The first diameter region has a diameter equal to or less than an inner diameter of the cover tube. The second diameter region has a diameter equal to or more than an outer diameter of the permanent magnets.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventors: Shinobu Takano, Takafumi Kajiya, Kaname Matsumoto
  • Patent number: 10749344
    Abstract: A motor drive system includes: a converter connected to a DC link; an inverter for drive connected to the DC link; a power storage device configured to store a DC power from the DC link or supplies a DC power to the DC link; a torque limit value calculation unit configured to calculate a torque limit value of a servomotor for buffer in the power storage device on the basis of a rotation speed of the servomotor for buffer and a DC power amount stored or supplied by the power storage device; and a motor control unit for buffer configured to perform a torque control with respect to the servomotor for buffer while changing an upper limit value and a lower limit value of a torque command using the torque limit value so as to adjust a DC power amount stored or supplied by the power storage device.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: August 18, 2020
    Assignee: Fanuc Corporation
    Inventors: Shougo Shinoda, Satoshi Ikai
  • Patent number: 10747197
    Abstract: An abnormality factor identification apparatus includes a sensor signal obtaining unit that obtains sensor signals associated with the physical state of a machine, an operating state determination unit that determines operating states of the machine based on information obtained from the machine, an abnormality level calculation unit that calculates the abnormality levels of the sensor signals for each operating state of the machine determined by the operating state determination unit, and a factor identification unit that determines a factor in an abnormality in the machine from historical data being a series of the abnormality levels for each operating state.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventors: Kazuhiro Satou, Yoshitaka Kubo
  • Patent number: 10744640
    Abstract: A parallel link robot includes a plurality of drive units and link units each driven by the corresponding drive unit. Each of the drive units includes a motor, a transmission mechanism that transmits the rotation of the motor to the link unit, and a housing that holds the motor. The housing includes a first connection portion, a second connection portion, and an opening through which the link unit extends. The first connection portion of one of the drive units and the second connection portion of another of the drive units are connected to each other, while the second connection portion of the one of the drive units and the first connection portion of another of the drive units are connected to each other.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventor: Masahiro Yamamoto
  • Patent number: 10744612
    Abstract: To provide a rotary table device that can prevent the occurrence of malfunction before it happens.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventor: Hiroki Tezuka
  • Patent number: 10747199
    Abstract: An operation management device includes: a machining program information acquisition unit acquiring information related to machining program executed in the machine tool; a signaling information acquisition unit acquiring signaling information related to signals detected during execution of the machining programs in the machine tool; and an associated-information creation unit associating the information related to the machining program with the signaling information; and a search/display unit displaying the information related to the machining program and the signaling information, which are associated by the associated-information creation unit.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventors: Yasumasa Okamura, Kazuhiro Koizumi
  • Patent number: 10747193
    Abstract: To perform reinforcement learning enabling to prevent complicated adjustment of coefficients of backlash compensation and backlash acceleration compensation.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: August 18, 2020
    Assignee: FANUC CORPORATION
    Inventors: Satoshi Ikai, Tsutomu Nakamura, Tomoyuki Aizawa
  • Publication number: 20200259402
    Abstract: Provided is a manufacturing device for a rotor core and a manufacturing method for a rotor core in which it is possible to suitably fit a columnar core rod into a center hole of a laminated iron core, when fitting and installing the laminated iron core into a fitting recess of a first mold.
    Type: Application
    Filed: February 10, 2020
    Publication date: August 13, 2020
    Applicant: FANUC CORPORATION
    Inventors: SeungJun LEE, Hidetoshi UEMATSU, Makoto FUNAKUBO
  • Publication number: 20200254577
    Abstract: A control device of a machine including: an operating condition analyzing unit that analyzes an operating condition of the program, and performs a notification when the tool to be exchanged is not adjusted; an operating condition storage unit that stores the operating condition of the program at a time of exchanging the tool; a state restoration confirming unit that confirms whether an internal state of the machine and/or the control device is restorable so that an operation of a predetermined block of the program is performed again after the operation and a stop of the predetermined block after exchanging the tool; and a state restoration executing unit that, in a case in which the internal state is confirmed to be restorable, restores the internal state to a state at the time of exchanging the tool based on the stored operating condition of the program at the time of exchanging the tool.
    Type: Application
    Filed: February 7, 2020
    Publication date: August 13, 2020
    Applicant: FANUC CORPORATION
    Inventor: Yamato IWAMURA
  • Publication number: 20200258670
    Abstract: A reactor includes an outer peripheral iron core, and at least three core coils contacting or connected to an inner surface of the outer peripheral iron core. Each of the core coils includes a core and a coil wound onto the core. The reactor further includes cooling units disposed in end surfaces of the outer peripheral iron core, for cooling the outer peripheral iron core.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Applicant: FANUC CORPORATION
    Inventors: Kenichi Tsukada, Masatomo Shirouzu
  • Publication number: 20200259306
    Abstract: Provided is a laser oscillator including: one or more heat generating parts disposed in a housing; a piping system through which cooling water flows to the one or more heat generating parts; a water cooling type dehumidifier that dehumidifies air inside the housing using the cooling water; and an air cooling type dehumidifier that includes a Peltier element attached with a cooling fin and a radiating fin and includes a cooling water plate configured to cool the radiating fin with the cooling water, wherein the air cooling type dehumidifier starts to dehumidify the air inside the housing using the cooling fin while the cooling water is not flowing and dehumidifies the air inside the housing by cooling the radiating fin using the cooling water plate when the cooling water is flowing.
    Type: Application
    Filed: February 4, 2020
    Publication date: August 13, 2020
    Applicant: Fanuc Corporation
    Inventors: Yoshiki Mihara, Akihiko Nishio
  • Publication number: 20200258681
    Abstract: A three-phase reactor includes: an outer peripheral iron core; and at least three iron-core coils that come in contact with an inner surface of the outer peripheral iron core or are joined to the inner surface. The at least three iron-core coils include corresponding iron cores and corresponding coils wound around the iron cores, and gaps that can magnetically connect one iron-core coil of the at least three iron-core coils and an iron-core coil adjacent to the one iron-core coil to each other are formed between the one iron-core coil of the at least three iron-core coils and the iron-core coil adjacent to the one iron-core coil.
    Type: Application
    Filed: May 1, 2020
    Publication date: August 13, 2020
    Applicant: FANUC CORPORATION
    Inventors: Masatomo Shirouzu, Takuya Maeda
  • Patent number: 10739273
    Abstract: An inspection apparatus for inspecting an inspection object having a coating layer includes: multiple light emitters configured to emit light beams each having an annular cross-section onto the coating layer; an imaging unit configured to take an image of a light beam reflected on the coating layer; a counter configured to count the number of annular light beam images per unit area in the image taken by the imaging unit; and a thickness determination unit configured to determine whether or not the thickness of the coating layer is acceptable, based on the number of the annular light beam images counted by the counter.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: August 11, 2020
    Assignee: FANUC CORPORATION
    Inventor: Yoshio Motowaki
  • Patent number: 10739760
    Abstract: A control system constructed so that a machine tool and a high-order server configured to manage the machine tool are connected through a communication line determines the arrangement of a control process in the respective execution environments of the machine tool and the high-order server, based on an execution condition for the execution of the control process available in machining performed in the machine tool and machining information on the machining in the machine tool.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 11, 2020
    Assignee: Fanuc Corporation
    Inventors: Shinya Ogawa, Akira Kanemaru
  • Patent number: 10742006
    Abstract: Fixation structure for a cable, and the fixation structure includes a fixation member configured to be fixed to a structural body and a fixing member configured to fix the cable covered by a tube to the fixation member, where a cut-out for exposing an outer periphery surface of the cable at a portion middle of the cable in a longitudinal direction is provided at an end of the tube, and the cable and the tube are fastened and fixed to the fixation member by fastening the fixing member disposed within the cut-out in a state in which a part of the tube at a position corresponding to the cut-out is sandwiched between the cable and the fixation member.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: August 11, 2020
    Assignee: FANUC CORPORATION
    Inventor: Hideo Matsui
  • Patent number: 10739168
    Abstract: An absolute encoder is driven by backup power from an external battery for backup. The absolute encoder includes: a clock generator configured to generate backup clock pulses at intervals of a predetermined period when the backup power is supplied; an analog signal generation circuit configured to operate according to the clock pulse so as to detect a displacement position of a motor and generate an analog signal corresponding to the detected displacement position; a comparator configured to operate according to the clock pulse so as to compare the analog signal with a predetermined voltage; and a clock control circuit configured to control the clock generator to change the pulse width of the clock pulse.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 11, 2020
    Assignee: FANUC CORPORATION
    Inventor: Youhei Kondou
  • Patent number: 10739734
    Abstract: A motor control apparatus including a controller that controls a servo motor or a spindle motor and includes a switching determining part that determines a switching condition of the controller based on axis position information on a motor related to control of the motor control apparatus, a machine learning part that adjusts one or more parameters for the controller by machine learning for each switching condition, and a parameter holding part that holds the parameter adjusted by the machine learning part for each switching condition. The switching determining part, when determining the switching condition after adjustment of the parameter, uses the adjusted parameter corresponding to the switching condition in the controller. The apparatus enables changing, and automatic adjustment, of a parameter or controller to be used depending on a switching condition of the parameter related to axis position information or a switching condition of the controller using the parameter.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: August 11, 2020
    Assignee: FANUC CORPORATION
    Inventors: Ryoutarou Tsuneki, Satoshi Ikai, Takaki Shimoda