Title:
BENDING MACHINE
Document Type and Number:
WIPO Patent Application WO/1996/033824
Kind Code:
A1
Abstract:
Bending angles of a plurality of bending points of a work are detected by means of an angle detecting unit while the work is being bent, and a bed driving means is controlled based on angle deviations between the detected angle values and target angles so as to impart a deformation to a bed supporting an upper mold or a lower mold, whereby a rough bending of the work is corrected.
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Inventors:
OOENOKI TOSHIYUKI (JP)
OTANI TOSHIRO (JP)
OTANI TOSHIRO (JP)
Application Number:
PCT/JP1996/001060
Publication Date:
October 31, 1996
Filing Date:
April 19, 1996
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
OOENOKI TOSHIYUKI (JP)
OTANI TOSHIRO (JP)
OOENOKI TOSHIYUKI (JP)
OTANI TOSHIRO (JP)
International Classes:
B21D5/02; (IPC1-7): B21D5/02
Foreign References:
| JPH04251614A | 1992-09-08 | |||
| JPH01228612A | 1989-09-12 | |||
| JPS6047017B2 | 1985-10-19 | |||
| JPS62224426A | 1987-10-02 | |||
| JPH0732044A | 1995-02-03 | |||
| JPH05138253A | 1993-06-01 | |||
| JPH05337555A | 1993-12-21 | |||
| JPH05322551A | 1993-12-07 | |||
| JPH04108917U | 1992-09-21 | |||
| JPS59174221A | 1984-10-02 |
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