| 摘要 |
<p>PROBLEM TO BE SOLVED: To detect and correct plate bend responsibly and precisely, and to manufacture a metal plate small in bending in the method and device for correction-rolling the plate bend. SOLUTION: The movement in the width direction of a rolling stock 1 is restricted by side guide 60 and vertical rolls 3 on the inlet side of a rolling roll 2. On the outlet side, the movement in the width direction is restricted by an only vertical roll 4. On this device, a detector 8 for the left and the right restrains of the rolling stock 1 is installed. The detected value of the detector 8 is sent to a controller 17, the opening degree of the left and the right of the rolling roll 2 are adjusted by driving a motor 11 so that a difference between the left and the right restraint values is decreased by the controller 17, and the plate bend is corrected. Consequently, since the platebend can be detected and corrected with the satisfactory response and precisely, a crudebar with the slight plate bend can be manufactured, a diaphragming accident in finish rolling which is a following process can be reduced, and a thin metal plate with high quality can be manufactured.</p> |
