Cold forging apparatus and method for forming complex articles

Details Cold forging apparatus and method for forming complex articles Cold forging apparatus and method for forming complex articles

2007-03-27

2007-03-27

Larson, Lowell A. (Department: 3725)

Metal deforming

With use of control means energized in response to activator...

Including plural sensors or sensor responsive to comparison...

C072S335000, C072S354600

Reexamination Certificate

active

10700502

ABSTRACT:
A cold forging apparatus for forming complex shapes at a single station includes a plurality of multiple function punch assemblies disposed on intersecting axes. Each of the multiple function punch assemblies includes an inner or a center punch and an outer or ring-shaped punch surrounding and in sliding contact with the inner punch. The apparatus also includes a die holder for positioning a mass or slug of metal between the punches. A computer system controls movement of the punches and is programmable to form parts of different shapes at a single station. Off axis punches and angularly offset punches and an additional punch or punch assembly are also disclosed.

REFERENCES:
patent: 2302115 (1942-11-01), Gasey
patent: 2424075 (1947-07-01), Brauchler
patent: 2513710 (1950-07-01), Brauchler
patent: 3962899 (1976-06-01), Hubbell
patent: 5-177291 (1993-07-01), None

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