ROLLED STOCK DIVISION METHOD Russian patent published in 1994 - IPC

FIELD: rolled products. SUBSTANCE: method of dividing rolled stock comprises steps of marking out the blank, being rolled, applying on it stress concentrators by local heating of a surface of the blank, being rolled, up to a temperature more, than quenching temperature, subsequent cooling of the rolled stock and breaking it out. The local heating is being performed non-uniformly along an axis of the rolled stock and non-symmetrically relative to a plane, passing through a maximum heating zone, by induction way. The heating is being performed up to a temperature lower, than the melting temperature of the material being rolled. EFFECT: enhanced accuracy. 1 cl