Title:
CLAMP CONTROL DEVICE, INDUSTRIAL MACHINE AND CONTROL METHOD OF CLAMP CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2016135523
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To accurately determine the grip of a workpiece by a chuck, related to different kinds of the workpieces or the like.SOLUTION: A clamp control device 20 comprises: a motor control part 31 which oscillates a first chuck 4 via a shaft 3 by driving a motor 5; a control part 32 which calculates a specified drive force on the basis of a minimum drive force by which the first chuck 4 is oscillated; and a determination part 34 which determines that a workpiece is gripped by the first chuck 4 or a second chuck 13 in a case where it is detected that the oscillation of the first chuck 4 is suppressed when the first chuck 4 is oscillated by the oscillation of the motor 5 by the motor control part 31 at the specified drive force.SELECTED DRAWING: Figure 2
Inventors:
KAWAI HIDETSUGU
Application Number:
JP2015011367A
Publication Date:
July 28, 2016
Filing Date:
January 23, 2015
Export Citation:
Assignee:
MURATA MACHINERY LTD
International Classes:
B23B31/00; B23B3/30; B23B15/00; B23Q17/00
Domestic Patent References:
| JP4635588B2 | 2011-02-23 | |||
| JPH11239945A | 1999-09-07 | |||
| JPH01126541U | 1989-08-29 | |||
| JPH07605U | 1995-01-06 | |||
| JPH04261755A | 1992-09-17 |
Attorney, Agent or Firm:
Kazuya Nishi
Tomihiko Isono
Tomihiko Isono