ROLLING ROLL OPERATION METHOD Russian patent published in 1999 - IPC

FIELD: rolled stock production, namely rolling roll operation modes, possibly in multistand quarto mills for continuous cold rolling of sheet steel. SUBSTANCE: method comprises steps of alternating rolling roll operation periods with periods of its regrinding and replacing it in different stands beginning from last one according to lowered rigidity of roll barrel. In order to increase roll strength it is replaced in other stand when rigidity of its barrel lowers by 1-4 HSD units. After operation in last stand roll is remounted in second stand and further successively along rolling process direction. Operation of roll is over after remounting it from last stand to first one. EFFECT: increased roll strength. 1 tbl, 6 ex