HOT ROLLING METHOD AND EQUIPMENT FOR FRAGILE STRIP.

摘要

Method and appts. of hot rolling a fragile strip. During the hot rolling operation, both side portions of a roll body including the portions of the same which are in the vicinity of the strip edge-contacting portions thereof are heated so as to control the heat crown of the roll. The rolling equipment has a heating unit capable of varying a heating range in the lengthwise direction of a rolling roll, and temp. sensors arranged in the lengthwise direction of the roll, and is capable of controlling the heating range of the heating unit according to temp. information from the temp. sensors.