Tooling system for superplastic forming of metals

Details Tooling system for superplastic forming of metals Tooling system for superplastic forming of metals

1985-06-17

1986-04-29

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

Using fixed die

72342, 72364, B21D 2220

Patent

active

045848602

ABSTRACT:
An oblate spheroid shaped shell has upper and lower component parts which are held together by means of spring loaded clamps. The upper and lower component parts each contain liquid hardenable ceramic material forming die member halves which have surfaces defining a die cavity for superplastic forming of a metal workpiece therein. The ceramic material has electrical heating elements embedded therein and positioned close to the die cavity in order to heat the metal workpiece in the cavity. Tubes in the upper and lower halves of the shell supply pressurized gas and quenching fluid to the die cavity for superplastic forming and quenching of the metal workpiece.

REFERENCES:
patent: 4087037 (1978-05-01), Schier
patent: 4188811 (1980-02-01), Brimm
patent: 4381657 (1983-05-01), Hamilton
patent: 4474044 (1984-10-01), Leistner
patent: 4489579 (1984-12-01), Daime

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