FIELD: plastic metal working, possibly processes for extruding rods. SUBSTANCE: method comprises steps of heating billet, afterpressing it and extruding metal through hole of die; at afterpressing filling central cavity of pressure pad with predetermined volume of metal from central zone of blank. Pressure pad for realizing the method includes cone recesses with convex generatrix and with base on working end of pad. EFFECT: elimination of shrinkage cavity at simultaneous reduction of remainder of billet. 3 cl, 1 dwg, 1 tbl
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Authors
Dates
2000-06-20—Published
1999-02-17—Filed