STEP ROLLING MILL Russian patent published in 2002 - IPC

FIELD: rolled stock production, step rolling mills for deforming strips with high reduction value. SUBSTANCE: rolling mill includes rolling stand with horizontal rolling rolls and variable-radius vertical rolling rolls. Drive mechanism of stand includes electric motor, reduction gear, pinion stand. The last is joined with horizontal rolls of rolling stand by means of spindles and with vertical rolls - by means of spindle and cone reduction gear. Cam is mounted in end of one roll of pinion stand; said cam engages with roller mounted on lever jointly secured to frame of rolling mill and spring-loaded relative to frame. Said lever is joined by tie rod with double-arm lever mounted on axle and joined with rolling stand by means of tie rod. Rolling mill is provided with member for adjusting stroke of rolling stand. EFFECT: increased reduction degree, lowered diameter of rolls and size of rolling mill. 1 dwg