Process for manufacturing metal parts by free forging and drop f

Details Process for manufacturing metal parts by free forging and drop f Process for manufacturing metal parts by free forging and drop f

1993-05-07

1997-04-01

Jordan, Charles T.

Metal working

Bias cutting of tubular stock

29417, 72377, 102307, B21K 2300

Patent

active

056154658

ABSTRACT:
The process for manufacturing parts of revolution which are made from a high-density metal with great regularity of reproducibility, especially as regards the homogeneity of the matter.
It consists in carrying out the following steps:
forging in three dimensions by successive upsetting and drawing-out operations carried out in three perpendicular directions;
closed-die forging; and
recrystallisation heat treatment.
Application to the manufacture of hollow-charged coatings made of tantalum.

REFERENCES:
patent: 2312830 (1943-03-01), Eldred
patent: 3255659 (1966-06-01), Venghiattis
patent: 3375108 (1968-03-01), Wyman, Sr. et al.
patent: 4551287 (1985-11-01), Bethmann
patent: 4598643 (1986-07-01), Skrocki
patent: 5028275 (1991-07-01), Peters et al.
patent: 5039355 (1991-08-01), Daumas et al.
patent: 5331895 (1994-07-01), Bourne et al.

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