Near net shape forging process for compressor and turbine...

Details Near net shape forging process for compressor and turbine... Near net shape forging process for compressor and turbine...

2011-03-01

2011-03-01

Bonk, Teresa M (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

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

C072S353200, C072S403000, C029S889200

Reexamination Certificate

active

07895874

ABSTRACT:
A method of forging a workpiece includes (a) incrementally advancing the workpiece in a closed die forge, the closed die forge including a stationary, flat die and a first split die including a plurality of first die segments, each die segment being incrementally advanced in sequence to contact the incrementally advancing workpiece; (b) replacing the stationary, flat die with a second split die including a plurality of second die segments; and (c) forging the workpiece forged in (a) between the first split die and the second split die, wherein the first die segments are stationary and at least some of the plurality of second die segments are incrementally advanced in sequence.

REFERENCES:
patent: 5950481 (1999-09-01), Sarkisian et al.
patent: 6240765 (2001-06-01), Delgado et al.

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