FIELD: mechanics.
SUBSTANCE: device consists of die block installed with the possibility of rotation around drawing axis. Deformation accompanied by change of physical and mechanical properties of metal and formation of ultrafine-grained structure is provided by the fact that device is equipped with the second stationary die block, and internal channels of the first and second die blocks are arranged in the form of displaced cones, at that outlet section of the second die block is eccentric relative to output section of the first die block.
EFFECT: provision of required performance characteristics in formation of ultrafine-grained structure in lengthy billets by drawing method.
1 dwg
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