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    Machine tool system
    1.
    发明授权
    Machine tool system 有权

    公开(公告)号：US12134156B2

    公开(公告)日：2024-11-05

    申请号：US17999033

    申请日：2021-05-25

    Applicant: FANUC CORPORATION

    Inventor： Takuma Nishimura

    IPC: B23Q11/12 ,  F16N29/02

    Abstract: Provided is a machine tool system that can supply an appropriate amount of lubricating oil to a machine tool according to the operation thereof. The machine tool system comprises: a lubricating oil supply unit that supplies a lubricating oil to a feed shaft of a machine tool; a code analysis unit that analyzes a machining program and determines whether a specific reciprocating operation is to be carried out at the feed shaft; and a control unit which, if it has been determined that the specific reciprocating operation is to be carried out, changes the supply of the lubricating oil via the lubricating oil supply unit to an exclusive pattern when the machine tool carries out the specific reciprocating operation.

    Rotary table
    2.
    发明授权
    Rotary table 有权

    公开(公告)号：US10029339B2

    公开(公告)日：2018-07-24

    申请号：US15050003

    申请日：2016-02-22

    Applicant: FANUC Corporation

    Inventor： Takuma Nishimura

    IPC: B23Q16/10

    Abstract: A rotary table includes a clamping mechanism including a piston driven by operating fluid in a direction of either of clamping and unclamping a brake disc, and a biasing means fixed by a case and the piston to always bias the piston in a direction of either of clamping and unclamping the brake disc by a recovery force of elastic deformation.

    Learning model construction device, and control information optimization device
    4.
    发明授权
    Learning model construction device, and control information optimization device 有权

    公开(公告)号：US10359742B2

    公开(公告)日：2019-07-23

    申请号：US15882052

    申请日：2018-01-29

    Applicant: FANUC CORPORATION

    Inventor： Zheng Tong ,  Takuma Nishimura ,  Yuuzou Inaguchi

    IPC: G05B13/02 ,  G06N20/00 ,  G05B19/418 ,  G05B17/02

    Abstract: A learning model is constructed for adjusting control information so that a cycle time becomes shorter while also avoiding the occurrence of overheating. A learning model construction device includes: an input data acquisition means that acquires, as input data, control information including a combination of an operation pattern of a spindle and parameters related to machining in a machine tool, and temperature information of the spindle prior to performing the machining based on the control information; a label acquisition means for acquiring temperature information of the spindle after having performed the machining based on the control information as a label; and a learning model construction means for constructing a learning model for temperature information of the spindle after having performed machining based on the control information, by performing supervised learning with a group of the input data and the label as training data.

    Machine tool having a rotary table
    6.
    发明授权
    Machine tool having a rotary table 有权
    机床具有旋转台

    公开(公告)号：US09533392B2

    公开(公告)日：2017-01-03

    申请号：US14739375

    申请日：2015-06-15

    Applicant: FANUC Corporation

    Inventor： Takuma Nishimura ,  Naoki Sato ,  Hiroki Tezuka

    IPC: B23Q1/64 ,  B23Q11/00 ,  B23Q17/00 ,  G05B19/00

    CPC classification number: B23Q11/0092 ,  B23Q17/00 ,  B23Q2220/004 ,  G05B19/00 ,  G05B19/4155 ,  G05B2219/34045 ,  G05B2219/42328 ,  G05B2219/50156

    Abstract: A machine tool includes a clamping mechanism for clamping/unclamping rotation of a rotary table. A load is measured when an unclamping command is output and then the rotary table is rotated after a set time set in the timer passes, and the set time of the timer is changed in response to a magnitude of the measured load. In this way, it is possible to prevent the clamping mechanism from being damaged due to a subsequent command given before unclamping ends, and extend a life span of a component.

    Abstract translation: 机床包括用于夹紧/松开旋转台的旋转的夹紧机构。 当输出松开指令时测量负载，然后在定时器设定的设定时间过去之后转动旋转台，并且响应于测量的负载的大小改变定时器的设定时间。 以这种方式，可以防止夹紧机构由于在松开结束之前给出的后续指令而损坏，并且延长部件的使用寿命。

    Action information learning device, action information optimization system and computer readable medium
    7.
    发明授权
    Action information learning device, action information optimization system and computer readable medium 有权

    公开(公告)号：US10509397B2

    公开(公告)日：2019-12-17

    申请号：US15857911

    申请日：2017-12-29

    Applicant: FANUC CORPORATION

    Inventor： Zheng Tong ,  Takuma Nishimura ,  Yuuzou Inaguchi

    IPC: G05B19/418 ,  G05B13/02 ,  G05B19/404

    Abstract: 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.

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