ROLL UNIT Russian patent published in 1996 - IPC

FIELD: rolling equipment. SUBSTANCE: roll unit has two working rolls having conical barrel and mounted so that roll axes are intersected. Microrelief applied to rolls is extending in helical line with inclination angle perpendicular to roll axis and regulated in accordance with mathematic expression. Ratio of inclination angles of microrelief applied to opposite rolls is α₁=(1,2 ... 2,1)α₂.. EFFECT: increased efficiency, wider range and improved quality of rolled products. 3 dwg