B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 28/36 (2006.01) B21D 37/04 (2006.01)
Patent
CA 2284509
In order to change punches and dies on upper and lower turrets during punching operation on a workpiece, a turret punch press includes a plurality of rotatable holder frames each supporting the upper and lower turret. Thus, when a first set of upper and lower turrets supported on a first holder frames is located in a working region under a striker for a punching operation, a second set of upper and lower turrets supported on a second holder frame is located in a position outside the working region, whereby a punch and die supported on the second set of the turrets can be changed for another punch and die during punching operation. In the preferable embodiment, the holder frame is removably supported on a main frame of the turret punch press, whereby the holder frame can be changed for another holder frame during punching operation.
Amada Company Limited
Gowling Lafleur Henderson Llp
LandOfFree
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