FIELD: machine engineering, namely processes for making hollow cones.
SUBSTANCE: method for shaping hollow cone of tubular metallic blank comprises steps of heating tubular metallic blank till plastic state due to action of mandrel on outer surface of blank rotating at high speed and simultaneously changing shape of blank by pressure of mandrel upon the same surface; using flat rear part of cutter as mandrel and inclining said part of cutter relative to rotation axis of blank by angle equal to that between generatrix of shaped cone and rotation axis of blank.
EFFECT: simplified process for shaping cone due to using as mandrel flat rear part of cutter.
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