Adjustable die and key assembly

Details Adjustable die and key assembly Adjustable die and key assembly

1980-10-06

1983-01-11

Crosby, Gene

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72448, B21D 502

Patent

active

043676448

ABSTRACT:
An assembly for precisely positioning a pair of die members beneath a reciprocating press ram, wherein a clamping assembly extends between each die member and a frame supported on a bed of the press for clamping and unclamping the die members. A self-lifting assembly provides a force which bears downwardly against the frame and upwardly against the die members for appreciably reducing frictional contact therebetween. An adjustable key is positioned for aligning the frame beneath the reciprocating ram. Finally, positioning apertures are provided for aligning the die members relative to one another on the frame.

REFERENCES:
patent: 784725 (1905-03-01), Yates
patent: 2451302 (1948-10-01), Peters
patent: 2748829 (1956-06-01), Korenak
patent: 2765836 (1956-10-01), Niekelski
patent: 2860684 (1958-11-01), Palouian
patent: 3456481 (1969-07-01), Zeitlin
patent: 3559522 (1971-02-01), Valante
patent: 3675463 (1972-07-01), Munschauer
patent: 3812703 (1974-05-01), Tepper
patent: 3881343 (1975-05-01), Ducate
patent: 3996777 (1976-12-01), Ekberg
patent: 4106323 (1978-08-01), Haenni et al.
patent: 4301673 (1981-11-01), Yonezawa

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