FIELD: plastic working of metals, possibly realization of blank working operations designed for developing high technology of thermo-mechanical working.
SUBSTANCE: apparatus includes housing where lower stop and both movable relative to housing punch and upper stop are arranged. Said stops have notched surfaces for engaging with blank and their ends are in contact respectively with punch and supporting plate. Stops may move relative to punch and supporting plate in mutually opposite directions normal relative to axis of housing. Apparatus is also provided with two wedges. Housing may move relative to supporting plate and it includes two annular grooves arranged in upper and lower parts of housing and designed for placing said wedges. Upper and lower stops form with wedges wedge pairs.
EFFECT: simplified design of apparatus, increased efforts applied to blank.
1 dwg
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