Bending machine

Details Bending machine Bending machine

1998-05-22

1999-07-27

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

B21D 504

Patent

active

059271353

ABSTRACT:
In order to improve a bending machine comprising a lower beam with a lower beam tool, an upper beam with an upper beam tool, wherein the upper beam tool and the lower beam tool are movable relative to one another for clamping a workpiece, as well as a bending beam pivotable about a pivot axis and having bending beam tool segments arranged on it, each of which has a pressure surface segment, wherein a bending beam pressure surface acting on the workpiece during bending can be made up of the pressure surface segments, such that it is possible to vary a width of the bending beam pressure surface in a simple manner it is suggested that at least one bending beam tool segment be designed to be adjustable and that the pressure surface segment of the adjustable bending beam tool segment be movable from an active position, in which it contributes to the pressure surface of the bending beam tool, into an inactive position, in which it is without effect during a bending operation.

REFERENCES:
patent: 134376 (1872-12-01), Gorton
patent: 1806986 (1931-05-01), Rucker
patent: 4112731 (1978-09-01), Anderson
patent: 5630336 (1997-05-01), Jorgenson

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