Title:
NUMERICAL CONTROL DEVICE FOR MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2021/167013
Kind Code:
A1
Abstract:
The present invention is to allow for an automatic correction of an offset amount of a tool used in actual workpiece processing at an appropriate timing. The present invention provides a numerical control device for a machine tool including: an execution unit for executing a processing program; a storage unit for storing, for each tool used in each processing program, a wear amount of the each tool when executing the processing program, as a tool offset amount; a monitoring unit for monitoring the timing of the work processing end or work processing start; and a changing unit for changing, for each processing program, the present tool offset amount at the timing of the work processing end or work processing start monitored by the monitoring unit, on the basis of the tool offset amount of the processing program stored in the storage unit.
Inventors:
NAGANUMA KEISUKE (JP)
HIRAUCHI KAZUHIRO (JP)
HIRAUCHI KAZUHIRO (JP)
Application Number:
PCT/JP2021/006168
Publication Date:
August 26, 2021
Filing Date:
February 18, 2021
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
G05B19/4093; B23Q15/28
Foreign References:
| JP2002307263A | 2002-10-23 | |||
| JPH0373253A | 1991-03-28 | |||
| JPH05108123A | 1993-04-30 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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