Title:
NUMERICAL CONTROL DEVICE AND MACHINE LEARNING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/018822
Kind Code:
A1
Abstract:
A numerical control device (1A) comprising: a control unit (21) for controlling a machine tool (2A); a state observation unit (11A) for observing state variables including a motor load current value (41) of a motor for driving a cutting tool used by the machine tool (2A), a cutting coordinate value (40) representing a cutting position on a workpiece by the cutting tool, a tool type (42) representing a type of the cutting tool, a workpiece type (43) representing a type of the workpiece, and a workpiece temperature (44) representing the temperature of the workpiece; a data acquisition unit (12) for acquiring a wear amount measurement result (45), which is a result of measuring a wear amount of the cutting tool; and a learning unit (13) for learning the wear amount of the cutting tool in accordance with a data set created on the basis of a combination of the state variables and the wear amount measurement result (45).
Inventors:
HANYA SACHIO (JP)
Application Number:
PCT/JP2020/028250
Publication Date:
January 27, 2022
Filing Date:
July 21, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G05B19/18; B23Q15/16; B23Q17/09; G05B19/404; G05B19/4155
Foreign References:
| JP2019139755A | 2019-08-22 | |||
| JP2019117458A | 2019-07-18 | |||
| JP2019067137A | 2019-04-25 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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