Press and an automatic curve-forming device therefor

Details Press and an automatic curve-forming device therefor Press and an automatic curve-forming device therefor

1991-05-28

1992-04-14

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72446, 72452, 72482, B21D 502

Patent

active

051036657

ABSTRACT:
The invention relates to a press such as a folding press and a deep-draw press comprising a press frame with a lower yoke and an upper yoke which are mutually reciprocally movable, wherein the lower yoke and the upper yoke are each provided with co-acting tools and wherein between a yoke and its tool are arranged a curve forming device which comprises a series of curve-forming wedge pairs which lie distributed over the length of the yoke between the yoke and the tool, wherein each curve-forming wedge pair is provided with an apparatus for adjusting the mutual position of the curve-forming wedges of a curve-forming wedge pair.

REFERENCES:
patent: 4347727 (1982-09-01), Galiger
patent: 4354374 (1982-10-01), Deguchi
patent: 4564765 (1986-01-01), Blaich
patent: 4732032 (1988-03-01), Kogure
patent: 4802357 (1989-02-01), Jones
patent: 4930339 (1990-06-01), Corsini

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