STEP ROLLING MILL Russian patent published in 2002 - IPC

FIELD: rolled stock production, step rolling mills for deforming strips with large reduction values. SUBSTANCE: rolling mill includes rolling stand mounted on frame of mill with possibility of reciprocation motion and having horizontal and vertical rolls with variable radius. Drive mechanism of rolling stand includes pinion stand and double-arm lever mounted on rotation axle arranged normally relative to rolling axis. One arm of said lever is provided with unit for adjusting its length. Pinion stand is joined with horizontal rolls of rolling stand by means of spindles and with vertical rolls - by means of spindle and cone reduction gear. Crank is mounted on end of one roll of pinion stand. Crank is joined through connecting rod with one arm of lever; its second arm is joined through additional tie rod with rolling stand. EFFECT: simplified tuning, improved operational reliability of mill. 1 dwg