Title:
MACHINE TOOL, MACHINE TOOL CONTROL METHOD, AND MACHINE TOOL CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/202601
Kind Code:
A1
Abstract:
Provided is a technique for detecting a sign of detachment of a workpiece from a workpiece spindle. This machine tool is provided with a workpiece spindle having a chuck for holding a workpiece. The workpiece spindle is configured to be capable of rotating a workpiece around an axial direction of the workpiece spindle with the workpiece fixed by the chuck. The machine tool is provided with a detection unit for detecting an index indicating a holding state of the workpiece with respect to the chuck, and a control unit for controlling the machine tool. The control unit executes a process of detecting a sign of detachment of the workpiece from the chuck on the basis of the index detected by the detection unit, and a process of carrying out a preset abnormality response process when the sign is detected.
Inventors:
ONO KATSUAKI (JP)
HATTORI RYOTARO (JP)
TADA ATSUSHI (JP)
KURAMOTO TSUTOMU (JP)
HATTORI RYOTARO (JP)
TADA ATSUSHI (JP)
KURAMOTO TSUTOMU (JP)
Application Number:
PCT/JP2022/012235
Publication Date:
September 29, 2022
Filing Date:
March 17, 2022
Export Citation:
Assignee:
DMG MORI CO LTD (JP)
International Classes:
B23B31/00; B23Q17/00; B23Q17/24; G05B19/18
Domestic Patent References:
| WO2020121429A1 | 2020-06-18 |
Foreign References:
| JP2007276031A | 2007-10-25 | |||
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| JP2009142929A | 2009-07-02 | |||
| JPH063508U | 1994-01-18 | |||
| JP3178933U | 2012-10-11 | |||
| JPS63134148A | 1988-06-06 | |||
| JPS5856755A | 1983-04-04 | |||
| US20110006490A1 | 2011-01-13 | |||
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| JPH04289006A | 1992-10-14 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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