| 摘要 |
<p>PROBLEM TO BE SOLVED: To perform the reverse rolling without dividing a thin strip having intermediate weld point at the weld point by performing the reverse rolling to the finish thickness for each strip to be divided at the intermediate weld point with the pass where the thickness on the outlet side is the prescribed value or lower. SOLUTION: The weld point continuous rolling to continuously roll the weld point is repeated by using a satin roll to the fourth pass in the reverse direction which is the even-numbered pass from the first pass in the forward direction and where the thickness on the outlet side is the prescribed value or higher by using a satin roll. Before the fifth pass is started, the rolling at the weld point is set to be automatically stopped, and when the rolling of a preceding coil 12 in the forward direction is completed, the rolling is automatically stopped. Then, the rolling direction is changed, and only the preceding coil 12 is rolled in the reverse direction. The satin roll is changed by a finish roll, and then, the preceding coil 12 is rolled in the forward direction again by the weld point to provide the preceding coil 12 of the finish thickness, and the rolling is stopped. The weld part can be welded without breakage.</p> |
