ROLLING ROLL OPERATION METHOD

摘要

rolled stock production, possibly operation modes of rolls of hot and cold rolling mills. SUBSTANCE: at first roll is used for several operating periods in stand, then in dependance upon initial rigidity of new roll after (0.01-0.10)HV (HV - Vickers rigidity of roll barrel) operating periods roll is subjected to heat treatment (annealing) comprising heating at rate no more than 45 C/h until 300-450 C, soaking for 2-20 h and cooling at rate no more than 45 C/. EFFECT: reduced cracking and crumbling out of roll surface. 3 cl