Rotating punch die system

Details Rotating punch die system Rotating punch die system

1983-05-16

1985-04-16

Crane, Daniel C.

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 63, 72387, B21D 3908

Patent

active

045107807

ABSTRACT:
A rotating die system for cold forming of sheet metal wherein a male die rotates relative to both an hydraulically supported resilient diaphragm backing the sheet metal blank and the driving force on the male die. The male die is pivotly connected to both a draw ring and the transmitted driving force. A sheet of metal to be formed is held in place on the upper surface of a draw ring die over a forming aperture. The male die is caused to rotate within the aperture against the sheet metal to accomplish the desired forming.

REFERENCES:
patent: 2783727 (1957-03-01), Hoffmann
patent: 2783728 (1957-03-01), Hoffmann
patent: 2859719 (1958-11-01), Kraybill
patent: 3258948 (1966-07-01), Carlson, Sr.
patent: 3267713 (1966-08-01), Johnson et al.
patent: 3400568 (1968-09-01), Brander
patent: 3913370 (1975-10-01), Break

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