| 摘要 |
<p>PURPOSE:To prevent a stock from being laterally bent in thick-sheet rolling, and to improve the yield of product, by slanting the rolls of a vertical mill, for retstraining dog bone, and its center rolls for preventing buckling for the purpose of correcting the camber of stock. CONSTITUTION:The camber of a rolling stock 5 is detected 6 at the inlet side of horizontal rolls 1 to feed it in accordance with the direction of its camber, that is straightly to the rolls 1 as shown by the figure (a). And the angles of dog-bone rolls 3, 3 and center rolls 4, 4 between vertical rolls of both sides with respect to a rolling line, are controlled, an shown by the figure (b) when the stock 5 is bent to the WS direction, and as shown by the figure (c) when the stock 5 is bent to the DS direction. In this way, the biting angle theta to the mill is regulated to 90 deg. when the stock 5 from vertical rolls 2 is bitten by the mill 1. That is, the camber of stock 5 at the inlet side of mill 1 is detected by a sensor 6 near the mill 1 to operate the target anble alpha of dog-bone rolls and center rolls by the equation in order to control the camber of stock.</p> |
