| 摘要 |
PCT No. PCT/JP92/00332 Sec. 371 Date Nov. 19, 1992 Sec. 102(e) Date Nov. 19, 1992 PCT Filed Mar. 19, 1992 PCT Pub. No. WO92/16318 PCT Pub. Date Oct. 1, 1992.A metal sheet processing apparatus for replacing dies with one another and for positioning a plate material in longitudinal directions. The metal sheet processing apparatus includes left and right side frames (3L, 3R), upper (5) and lower (7) tables supported by the side frames, one of the upper and lower tables serving as a vertically movable ram, and dies (17,19) disposed in a processing zone between the upper and lower tables (5, 7), for processing a plate material (W). A back gauge unit (41) is moved and positioned in longitudinal directions to position in the longitudinal directions the metal sheet (W) to be processed by the dies (17, 19). A die storage section (37) is defined behind the upper table (5). Part of the back gauge unit (41) is vertically movable and capable of supporting and replacing the dies (17, 19) between the die storage section (37) and the processing zone.
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