Method and Apparatus for Reducing Edge Up of Thick Hot Rolled Steel Plate at Finish Rolling

摘要

After roles in the finishing rolling provides a method and apparatus for reducing muljae edge up . In the finish rolling according to an embodiment of the present invention after the hot-rolled -up edge muljae reduction method in the finish rolling process of muljae after hot rolling, the hot rolling after the step of entering into a muljae finish rolling process; And controlling the edge of muljae up after the hot rolling in the first , second and third stands of the finish rolling ; And increasing the reduction rate for the hot rolling muljae after the fourth , fifth , sixth and seventh stand of the finish rolling ; includes , in the first, second and third stands of the finish rolling step of controlling the up- edge of the hot-rolled muljae after a first of the finish rolling , and a pair of second cross (Pair Cross) angle in the third stand can be automatically set to 0. ;