FIELD: performing operations.
SUBSTANCE: invention relates to a device for rolling a metal billet. Proposed device comprises frame accommodating top and bottom stepped rolls. Lower stepped roll and the upper stepped roll are located mirror-like relative to each other. Surfaces of rolls form working pass with rectangular cross-section. Between surfaces of rolls with largest and smallest outer diameters a gap is formed, which is in range of 1 to 6 mm.
EFFECT: reduced loss of metal and reduced downtime of equipment associated with formation and removal of formed burrs during deformation processing.
9 cl, 2 dwg, 4 tbl, 4 ex
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