Process for manufacturing metal parts by free forging and drop forging in a press
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United States of America Patent
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Apr 1, 1997
Grant Date -
N/A
app pub date -
May 7, 1993
filing date -
May 7, 1992
priority date (Note) -
Expired
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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.
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