Forging of conical liners

Details Forging of conical liners Forging of conical liners

1982-09-20

1984-07-24

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

With stripping or ejecting from tool

72354, 72427, 72360, B21D 2200

Patent

active

044611625

ABSTRACT:
Apparatus for forming, from a generally conical billet, a hollow forging of desired wall thickness having a generally conical portion tapering to a smaller cylindrical extension, the inner and outer surfaces of the conical portion having minor predetermined and spatially related devisions from purely conical configurations, said apparatus comprising, in combination, a die having a concave conical configuration, with a cylindrical extension at the smaller end, to conform to the desired external configuration of said forging; a punch having a convex conical configuration to conform to the desired configuration of the inner surface of the conical portion of the forging; and means mounting the punch for movement coaxially into the die from the larger end thereof, to an extent which determines the wall thickness of the forging.

REFERENCES:
patent: 2789344 (1957-04-01), Kaul
patent: 3056197 (1962-10-01), Lawson
patent: 3417597 (1968-12-01), Napoli
patent: 3608350 (1971-09-01), Yamasuchi
patent: 4050238 (1977-09-01), Schober
patent: 4051708 (1977-10-01), Beaue et al.

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