Title:
PRESS BRAKE
Document Type and Number:
WIPO Patent Application WO/2020/262676
Kind Code:
A1
Abstract:
Provided is a press brake (1) that can efficiently put a uniform curve into a workpiece (90) that has a non-uniform plate thickness when the workpiece (90) is bent. The press brake (1) comprises a die (2) that supports the workpiece (90), a punch support member (4) that is arranged opposite the die (2), a movement mechanism (5) that moves the punch support member (4) relative to the die (2), a punch (3) that is supported by the punch support member (4), is opposite the die (2) and the workpiece (90) in the relative movement direction of the punch support member (4), and comprises a plurality of punch elements (3a) that are arrayed in one direction that is orthogonal to the relative movement direction, and a plurality of punch element adjustment mechanisms that are provided to correspond to the plurality of punch elements (3a) and respectively adjust the positions of the punch elements (3a) relative to the punch support member (4) in the relative movement direction.
Inventors:
OKADA HIDEKI
UETAKE YOSHIHIRO
WADA TAKUMI
TYVAERT KRISTOF
CORNELUS ALEXANDER
UETAKE YOSHIHIRO
WADA TAKUMI
TYVAERT KRISTOF
CORNELUS ALEXANDER
Application Number:
PCT/JP2020/025394
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
Foreign References:
| JPH08300047A | 1996-11-19 | |||
| JPS5039470Y1 | 1975-11-13 | |||
| JPH1034240A | 1998-02-10 | |||
| JPH06114464A | 1994-04-26 | |||
| US20160114381A1 | 2016-04-28 | |||
| JP2016059935A | 2016-04-25 |
Other References:
See also references of EP 3991870A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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