Title:
PRESS BRAKE
Document Type and Number:
WIPO Patent Application WO/2020/262678
Kind Code:
A1
Abstract:
Provided is a press brake with which an improvement in bending accuracy can be achieved. A press brake 1 is provided with a conveying mechanism 2 for intermittently conveying a workpiece 90, a die 3, a punch 4 including a plurality of punch elements 4a, a bending amount measuring instrument 8, a punch element adjusting mechanism 10, and a control device 9, wherein the control device 9 corrects the punch shape in accordance with the bending amount measured by the bending amount measuring instrument, and the plate thickness at the position at which the bending amount was measured, by adjusting the position of the punch element corresponding to the measuring position with reference to a database.
Inventors:
OKADA HIDEKI
SHIMOSHIGE TAKUYA
TYVAERT KRISTOF
CORNELUS ALEXANDER
SHIMOSHIGE TAKUYA
TYVAERT KRISTOF
CORNELUS ALEXANDER
Application Number:
PCT/JP2020/025396
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
LVD CO (BE)
LVD CO (BE)
International Classes:
B21D5/02; B21D37/02; G01B11/24
Foreign References:
| JP2011083800A | 2011-04-28 | |||
| JP2001198625A | 2001-07-24 | |||
| JPH04251614A | 1992-09-08 | |||
| JP2001074407A | 2001-03-23 | |||
| JPH0699222A | 1994-04-12 | |||
| JP2004330201A | 2004-11-25 | |||
| JP2016059935A | 2016-04-25 |
Other References:
See also references of EP 3991868A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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