Title:
MACHINE TOOL, POSITIONAL INFORMATION CORRECTION METHOD, AND POSITIONAL INFORMATION CORRECTION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/059748
Kind Code:
A1
Abstract:
Provided is a machine tool comprising: a spindle that rotatably grips a workpiece; a blade mount on which a tool for processing the workpiece can be mounted; a moving body that is movable independently from the spindle and the blade mount; a contact type sensor that moves according to movement of the moving body; and a control device that calculates central position information indicating the central position of the spindle on the basis of spindle position information obtained via the sensor having been moved to the vicinity of the workpiece by moving the moving body. The control device obtains blade edge position information indicating the position of a blade edge of the tool via the sensor by moving the moving body, and corrects the blade edge position information on the basis of the central position information.
Inventors:
NAMIKI TATSUYA (JP)
Application Number:
PCT/JP2021/034181
Publication Date:
March 24, 2022
Filing Date:
September 16, 2021
Export Citation:
Assignee:
CITIZEN WATCH CO LTD (JP)
CITIZEN MACHINERY CO LTD (JP)
CITIZEN MACHINERY CO LTD (JP)
International Classes:
B23Q15/013
Domestic Patent References:
| WO2001094061A1 | 2001-12-13 |
Foreign References:
| JPH06226593A | 1994-08-16 | |||
| JPH05329702A | 1993-12-14 | |||
| JP2008246642A | 2008-10-16 | |||
| US4382215A | 1983-05-03 | |||
| JP2008200798A | 2008-09-04 | |||
| JP2000198047A | 2000-07-18 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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