Title:
複数軸を有する工作機械におけるモータ制御装置
Document Type and Number:
Japanese Patent JP6568039
Kind Code:
B2
Abstract:
A motor control device for a machine tool having a plurality of axes includes a plurality of motor control units that control motors; an abnormality detection unit provided for at least one of the motor control units and configured to output an abnormality detection signal upon detecting an abnormality with respect to the axis driven by the motor controlled by the motor control unit provided with the abnormality detection unit; a safety operation control unit provided for a motor control unit that is not the motor control unit provided with the abnormality detection unit, the safety operation control unit configured to control the motor upon receiving the abnormality detection signal in such a way that the tool comes out of contact with the workpiece; and a communication unit that transmits the abnormality detection signal outputted by the abnormality detection unit to the safety operation control unit.
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Inventors:
Shinoda Shinoda
Satoshi Inokai
Satoshi Inokai
Application Number:
JP2016201755A
Publication Date:
August 28, 2019
Filing Date:
October 13, 2016
Export Citation:
Assignee:
FANUC Corporation
International Classes:
G05B19/19; H02P5/46
Domestic Patent References:
JP5138500A | ||||
JP2003169497A | ||||
JP2006154998A | ||||
JP2005176493A | ||||
JP8314516A | ||||
JP2005321979A |
Foreign References:
WO2012176268A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura