Method for controlling movement in a single action forming press

Details Method for controlling movement in a single action forming press Method for controlling movement in a single action forming press

1987-02-09

1989-01-10

Jones, David

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

72336, 72335, B21D 2222, B21D 2802

Patent

active

047964545

ABSTRACT:
A method of controlling the clamping movement of a single action drawing press having a fluid actuated pressure member wherein movement of the pressure member is interrupted by stops after a predetermined range of movement toward the base of the press.

REFERENCES:
patent: 4125009 (1978-11-01), Byrd et al.
patent: 4206701 (1980-06-01), Hemmelgarn
patent: 4207048 (1980-06-01), Seymour
patent: 4249410 (1981-02-01), Crago et al.
patent: 4375785 (1983-03-01), Schoch et al.
patent: 4377084 (1983-03-01), Kaminski
patent: 4489584 (1984-12-01), Gall et al.
patent: 4549424 (1985-10-01), Bulso, Jr. et al.
patent: 4587826 (1986-05-01), Bulso, Jr. et al.
patent: 4624125 (1986-11-01), Bulso, Jr. et al.

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