Forging press

Details Forging press Forging press

1979-11-21

1981-09-29

Crosby, Gene P.

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

7245312, 72455, 100214, 100269R, B21J 912

Patent

active

042915716

ABSTRACT:
A forging press has a stationary cross head which carries a lower die, and a movable frame with an upper die carried in the part of the frame above the stationary cross head. A positioning piston/cylinder unit, operated by low pressure fluid, moves the frame to a predetermined position relative to the stationary cross head. The frame is then locked in position by pressurizing oppositely acting piston/cylinder units, and the upper die is moved to carry out a forging operation by a piston/cylinder unit located in the top of the frame and operated by high pressure fluid.

REFERENCES:
patent: 3081659 (1963-03-01), Theobald
patent: 3158046 (1964-11-01), Steinfort
patent: 3353397 (1967-11-01), Hoffmann
patent: 3747393 (1973-07-01), Robra

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