ROLL ASSEMBLY Russian patent published in 1998 - IPC

FIELD: rolled stock production, namely constructions of roll assemblies for hot rolling of steel strips with single-side lens-shaped riffles. SUBSTANCE: roll assembly includes pair of rolling rolls. Barrel of one roll has alternating rows of craters with trapezoidal cross section, another roll has smooth barrel. In order to increase roll strength and to enhance quality of rolled strips with riffles, lateral sides of trapezium are mutually joined along circle arc with curvature 580-840 m^-1. Diameter of rolling roll barrel with craters exceeds diameter of smooth roll barrel by 1.005-1.015 times. EFFECT: enhanced rolling conditions of rolls whose surface is weakened by craters. 3 dwg, 1 tbl