FIELD: plastic working of metals.
SUBSTANCE: die set for shaping tubular blanks at heating them includes detachable die mounted in rigid casing; punch; working body of loose electrically non-conducting material. Working body also includes elastic rod arranged in loose electrically non-conducting material having low heat conductivity factor.
EFFECT: simplified die set tooling for shaping high-strength and elastic materials at significant shaping degree.
1 dwg
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|
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