FIELD: technological processes.
SUBSTANCE: invention relates to the treatment of metals by pressure and can be used for the manufacture of wire. Method comprises sequentially pulling a circular deformable preform through a non-driven roller coil, in which an intermediate profile is formed, having the shape of an unexecuted square, and further drawing the obtained profile through a monolithic wire in which the wire receives a circular cross-section. Both operations are performed in one pass due to the pulling force applied to the front end.
EFFECT: method ensures the decomposition of the total deformation per pass into two parts having different stress state schemes, which allows to control the stress-strain state in the deformation zone, thereby increasing the deformability and ductility of the metal.
1 cl, 1 dwg, 4 tbl
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Authors
Dates
2018-04-04—Published
2017-04-17—Filed