Method of flow forming

Details Method of flow forming Method of flow forming

1976-06-16

1977-05-17

Gilden, Leon

Metal deforming

With exposure of work to gas, vapor, mist, or modified...

72353, 72357, 72364, B21B 900, B21D 2200

Patent

active

040233898

ABSTRACT:
A metal preform is flow formed into a desired structure utilizing segmented dyes. The metal preform is positioned in a chamber comprised of shaping members which define a surface substantially complementary to the desired structure. At least two of the shaping members are spaced from one another and define a groove therebetween. The preform is heated to a temperature suitable for superplastic forming and then compressed such that the preform deforms against the shaping members and into the groove. The at least two spaced shaping members are forced to move into contiguous relationship thereby reducing the size of the groove while forcing further deformation of the preform into the groove.

REFERENCES:
patent: 2515841 (1950-07-01), Stuart
patent: 3680381 (1972-08-01), Portal
patent: 3750450 (1973-08-01), Sharp

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