HELICAL ROLLING MILL STAND Russian patent published in 2016 - IPC B21B19/02 

FIELD: technological processes.

SUBSTANCE: invention relates to rolling of round shapes at helical rolling mills with cup-like rollers. Rolling mill stand comprises housing and rollers installed in it. Adjustment of position of roller 2 relative to axis of rolling is carried out by turning of device 9 through definite angle by means of worm screw 12. Change of article diameter 1 is carried out by turning nut 8 with external worm wheel by means of worm screw 11. Longitudinal key 13 or splined cutouts allow eccentric bushing 6 to move along axis of rotation of roller 2 relative to rotary device 9, without changing position of roller 2 axis relative to rolling axis.

EFFECT: high accuracy of working roll spatial position positioning.

3 cl, 2 dwg