FIELD: plastic metal working. SUBSTANCE: method includes extrusion of sleeve from blank with tubular section and thickened bottom. Tubular section is formed by rotary drawing. Forming the ear with base from thickened bottom is effected by die forging with break in plane passing through longitudinal axis of tubular section at simultaneous forming the hole in ear. EFFECT: enhanced efficiency. 4 dwg
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Authors
Dates
1997-09-10—Published
1993-04-08—Filed