Method of forming part in progressive die system

Details Method of forming part in progressive die system Method of forming part in progressive die system

1991-10-31

1993-09-28

Crane, Daniel C.

Metal deforming

With cutting

Severing a discrete piece from stock, work, or product

723792, 72404, 72334, 72338, 29 61, 83 50, 83277, B21D 2800

Patent

active

052478254

ABSTRACT:
A malleable sheet of material is introduced into a progressive die system having a plurality of stations containing one or more dies for forming a predetermined configuration in the malleable sheet of material as the sheet progresses through the system. At least one strengthening means is formed along the sheet of material at an early station in the progressive die system for strengthening the sheet of material such that the sheet can be controlled at subsequent stations. Die related operations are then performed on the sheet of malleable material by the progressive die system until a completed part is created.

REFERENCES:
patent: 2215658 (1940-09-01), Arens
patent: 2989936 (1961-06-01), Farnsworth
patent: 3380282 (1968-04-01), Scaletta
patent: 3566660 (1971-03-01), Dedek
patent: 3765217 (1973-10-01), Ikeda
patent: 3869778 (1975-03-01), Yancey
patent: 4320647 (1982-03-01), Kummeling
patent: 4583436 (1986-04-01), Asano
patent: 4605279 (1986-08-01), Mixon

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