Title:
PRESS DEVICE, CONTROL DEVICE FOR PRESS DEVICE, AND CONTROL METHOD FOR PRESS DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/121215
Kind Code:
A1
Abstract:
A press device (1) for press processing of a workpiece (W) using an upper die (8a) and a lower die (8b) is provided with a slide (3), a bolster (5), a servo motor (21), and a motor instruction unit (66). The upper die (8a) is attached to the slide (3). The lower die (8b) is mounted on the bolster (5). The servo motor (21) operates the slide (3) back-and-forth in the vertical direction. The motor instruction unit (66) controls the servo motor (21) so as to change the speed of the slide (3) if the upper die (8a) is detected to be in the proximity of the workpiece (W) by a proximity sensor (100) for detecting the proximity of the upper die (8a) to the workpiece (W) mounted on the lower die (4b).
Inventors:
YAMADA YUKIHIRO (JP)
Application Number:
PCT/JP2015/083477
Publication Date:
August 04, 2016
Filing Date:
November 27, 2015
Export Citation:
Assignee:
KOMATSU IND CORP (JP)
International Classes:
B30B15/14; B30B15/00
Foreign References:
| JP2008105047A | 2008-05-08 | |||
| JP2011152547A | 2011-08-11 | |||
| JPS57209800A | 1982-12-23 | |||
| JP2004066248A | 2004-03-04 | |||
| JP2010221221A | 2010-10-07 | |||
| JP2011136368A | 2011-07-14 | |||
| JPH11188500A | 1999-07-13 |
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
fresh green -- a global IP patent business corporation (JP)
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