FIELD: metal processing.
SUBSTANCE: invention relates to sheet-metal forming, particularly for making drawing hollow thin-wall deep conical parts with small cone angle and with small radius at bottom. Die comprises of female die with conical working surface, circular bottom and through hole in bottom, equal to thickness of workpiece, as well as die made up of truncated cone, cut from top by value of radius.
EFFECT: preventing distortion of profile of bottom and tops of conical part.
1 cl, 2 dwg
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