| 摘要 |
<p>PURPOSE:To execute the effective control of tip camber in the temp. region (transformation temp. region) of control rolling regarding to a method for controlling the rolled tip camber for controlling camber at the tip part of rolled stock that is generated in hot rolling. CONSTITUTION:(1) The temp. difference between both surfaces of a rolled stock 1 is measured while considering the temp. correction between thermometers 3a, 3b with which the temp. of both surfaces of the rolled stock 1 in the region of transformation temp. are measured and also (2) the average deformation resistance of the rolled stock 1 is calculated from a measured load based on a rolling load estimating model. After the characteristic of average deformation resistance-temp. is determined, (3) whether it is in the state of camber due to deformation strain or not is decided based on the measured temp. difference between of both surfaces of the rolled stock 1, characteristic of average deformation resistance-temp. and the shape of camber at even numbered passes before that control pass and (4) the tip camber of the rolled stock 1 is controlled in accordance with that decided result.</p> |
