Title:
MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2023/120285
Kind Code:
A1
Abstract:
The present invention provides a machine tool in which, even during a return-to-origin operation, a machining table does not interfere with a main shaft or a cover in a state where a cutting tool rest is retracted with respect to the main shaft in the main shaft direction. Provided is a machine tool 100 comprising an X direction sliding mechanism 150 which has an X direction rail 151 that is fixed to a bed 110 and that extends in an X direction intersecting a Z direction in which a main shaft 140 extends, and an X table 152 that is slidable along the X direction rail 151, a Y direction sliding mechanism 170 which has a Y direction rail 171 that is provided on the X table 152 and that extends in a Y direction intersecting the Z direction and the X direction and a Y table 172 that is slidable along the Y direction rail 171, and a control device 190 which controls driving of the X direction sliding mechanism 150 and the Y direction sliding mechanism 170, wherein a Y table positioning control unit 194a performs positioning of the Y table 172 with respect to the Y direction rail 171 in a state where the X table 152 is positioned in a non-interference region.
Inventors:
KON NOBUYASU (JP)
SHIMIZU KATSUMI (JP)
SATOH MISAE (JP)
SHINOHARA TAKANORI (JP)
SHIMIZU KATSUMI (JP)
SATOH MISAE (JP)
SHINOHARA TAKANORI (JP)
Application Number:
PCT/JP2022/045735
Publication Date:
June 29, 2023
Filing Date:
December 12, 2022
Export Citation:
Assignee:
CITIZEN WATCH CO LTD (JP)
CITIZEN MACHINERY CO LTD (JP)
CITIZEN MACHINERY CO LTD (JP)
International Classes:
G05B19/18; B23Q11/00; B23Q15/00; B23Q17/00
Foreign References:
| JP2018075667A | 2018-05-17 | |||
| JP2016124046A | 2016-07-11 | |||
| JP2017102532A | 2017-06-08 | |||
| JP2017202548A | 2017-11-16 |
Attorney, Agent or Firm:
TOWA INTERNATIONAL PATENT FIRM (JP)
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