Method for forging large irregular shapes in a closed-die operat

Details Method for forging large irregular shapes in a closed-die operat Method for forging large irregular shapes in a closed-die operat

1979-12-10

1981-12-15

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72342, 72364, B21D 2200

Patent

active

043052738

ABSTRACT:
A method and apparatus for forging large irregular shapes in a closed-die operation, particularly for forging a blank to be machined to form a fluid end piece of a pump. The blank has a substantially rectangular parallelepiped body and a block projecting sideways from the body. The apparatus has a die opening of a shape to form the blank. In a single operation in a conventional open-die press a heated workpiece is upset and a portion squeezed sideways to form the block.

REFERENCES:
patent: 1381102 (1921-06-01), Bell
patent: 1889823 (1932-12-01), Cole
patent: 2499530 (1950-03-01), Scott
patent: 2814101 (1957-11-01), Prough
patent: 3034383 (1962-05-01), Schulte
patent: 3289229 (1966-12-01), Friedman
patent: 3705509 (1972-12-01), Haller
patent: 3938913 (1976-11-01), Metcalfe et al.
patent: 4112732 (1978-09-01), Okunishi et al.

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