Die forming method

Details Die forming method Die forming method

1982-11-03

1985-07-09

Ramsey, Kenneth J.

Metal fusion bonding

Process

With shaping

219 69M, 228174, B23P 100

Patent

active

045277290

ABSTRACT:
A novel and highly efficient die forming method is disclosed wherein a plurality of blank workpieces, preferably plate blanks, are prepared and assembled together in a format such that a die blank may be produced therefrom which has a contour at least roughly approaching the contour of a desired die product. The blank workpieces are assembled together by permanently joining them, preferably by fusion-welding. The die blank so produced is then preferably subjected to heat-treatment and is thereupon machined, preferably by EDM, to progressively develop the desired contour therein from the rough-shaped contour.

REFERENCES:
patent: 1898883 (1933-02-01), Matheson
patent: 3258840 (1966-07-01), Hedgewick et al.
patent: 3694610 (1972-09-01), Saito et al.
patent: 4409457 (1983-10-01), Takahashi et al.

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