Workpiece-deforming tool and die for use in a punch press

Details Workpiece-deforming tool and die for use in a punch press Workpiece-deforming tool and die for use in a punch press

B - Operations, Transporting

21

D

B21D 28/12 (2006.01) B21D 17/04 (2006.01) B21D 19/04 (2006.01) B23D 19/00 (2006.01) B23D 19/04 (2006.01) B23D 19/06 (2006.01) B23D 19/08 (2006.01)

Patent

CA 2180632

A punch press is provided with a tool bearing a workpiece-deforming roller (60),the tool being received in an aperture in the press for movement between a lower position in which the roller comes into deforming contact with a workpiece (10) supported on a surface and a raised position out of deforming contact with the workpiece. Elongated deformations (12) may be formed in a workpiece by translating the workpiece horizontally along the surface while the roller is in its lower position. A coating roller (61) may be provided beneath the workpiece so that the rollers come into deforming contact with opposite sides of the workpiece to deform it as the workpiece is translated between the rollers.

Une machine à poinçonner est pourvue d'un outil portant un galet (60) servant à déformer une pièce, ledit outil logeant dans une ouverture de la machine, de façon à se déplacer entre une position inférieure dans laquelle le galet vient en contact avec une pièce (10) en appui sur une surface, afin de la déformer et une position élevée exempte de contact avec la pièce. On peut pratiquer des déformations allongées (12) dans une pièce au moyen du déplacement horizontal de ladite pièce le long de la surface, tandis que le galet se trouve en position inférieure. Un galet coopérant (61) peut se trouver au-dessous de la pièce, de telle manière que les galets viennent en contact avec les côtés opposés de la pièce, afin de la déformer simultanément à son déplacement entre lesdits galets.

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