Title:
SPINDLE UNIT CENTER RUNOUT DETECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/082302
Kind Code:
A1
Abstract:
The purpose of the present invention is to obtain a spindle unit center runout detection apparatus which is capable of detecting center runout of a spindle unit in a period after the initiation of operation and before the initiation of machining. Provided is a spindle unit center runout detection apparatus (1) connected to a servomotor drive device (7) of a working machine in which a tool has an attachable/detachable spindle unit, and which processes a workpiece by mounting the tool onto the spindle unit and by having a spindle motor (2) drive the tool. The spindle unit center runout detection apparatus is characterized by being provided with a spindle unit center runout assessment unit (9) that assesses center runout of the spindle unit, during the loading and unloading of the tool, on the basis of a detection result of a servomotor detector (6) which allows the spindle unit to move in a linear movement direction.
Inventors:
UEMURA HIROKI (JP)
NAGAOKA KOTARO (JP)
NAGAOKA KOTARO (JP)
Application Number:
PCT/JP2017/038532
Publication Date:
May 02, 2019
Filing Date:
October 25, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B23Q17/09
Foreign References:
| JP2006035360A | 2006-02-09 | |||
| JP2017007030A | 2017-01-12 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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