Title:
METHOD OF SIDE-CUTTING BY TURRET PUNCH PRESS
Document Type and Number:
WIPO Patent Application WO/1992/004995
Kind Code:
A1
Abstract:
A method of side-cutting by a turret punch press for improving working efficiency to a large extent. The method comprises a step in which a selected one (51) of a plurality of punch chips (51 to 54) arranged so as to be selectively hit in a punch assembly (1) provided on the upper turret (2) is used for side-cutting a workpiece (6) and the other step in which one end of a part to be cut into a slug with the side-cutting is cut off by another punching chip (52).
Inventors:
MATSUURA SATOSHI (JP)
Application Number:
PCT/JP1991/001222
Publication Date:
April 02, 1992
Filing Date:
September 13, 1991
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
B21D28/12; B21D28/24; B21D28/36; B21D28/34; B23D27/00; (IPC1-7): B21D28/10; B21D28/24; B21D28/36
Foreign References:
| JPS63130227A | 1988-06-02 | |||
| JPS54127081A | 1979-10-02 |
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