FIELD: process engineering.
SUBSTANCE: invention relates to metallurgy, particularly to metal billet stretch forming. Proposed method comprises arranging the billet in the case on female die surface, insulating electrically said biller, gripping the billet at its opposite ends, resistance heating of the billet to working temperature, displacing the billet and female die surface relative to each other at the biller working temperatures, and cooling the billet down.
EFFECT: uniform heating to minimise heat losses.
10 cl, 11 dwg
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Authors
Dates
2010-11-20—Published
2006-11-02—Filed