PUSH STAND OF CONTINUOUS HOT-STRIP MILL Russian patent published in 2008 - IPC B21B13/14 B21B31/16 B21B27/02 

FIELD: metallurgy; ferrous.

SUBSTANCE: said utility invention relates to equipment for the production of hot-rolled steel strip, namely, to the push stand of the continuous hot-strip mill. The push stand contains two rolls installed on supports in the frames, each of the cross sections of the roll bodies is designed with three round sections of equal length, divided with concave sections of equal length at the upper roll and convex sections of the same length at the lower roll, the convex section being equidistant to the concave sections of the upper roll, the vertexes of the concave sections facing to the roll axis, and the vertexes of the convex sections facing the opposite direction; the clearance between the rolls is constant along the whole length of the body generator, the roll convexity heights and concavity depths are equal and may be 0.08...0.10 of the radiuses of the circular roll body generator sections, and the length of all said sections is the same.

EFFECT: enhancement of hot-rolled strip quality, decrease in roll wear during hot rolling.

3 cl, 1 dwg, 1 ex