Apparatus for controlling movement in a single action forming pr

Details Apparatus for controlling movement in a single action forming pr Apparatus for controlling movement in a single action forming pr

1988-05-23

1989-10-17

Jones, David

Metal deforming

With cutting

By shearing tool-couple

72351, B21D 2200

Patent

active

048738590

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. The apparatus for carrying out the method includes one or more stops, carried by the base, and dimensioned to engage the pressure member and overcome the pressure normally urging it toward the base after the predetermined range of movement.

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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