COLD ROLLING METHOD WITH TANDEM MILL

摘要

PROBLEM TO BE SOLVED: To enable highly accurate edge-drop control in spite of the generation of edge drop at downstream stands from a control stand on. SOLUTION: By providing an operating means for changing thickness distribution in the width direction of a material to be rolled to an upstream stand of a tandem mill, the stand is made into a control stand. The operating means is set so that the thickness distribution in the width direction on the outlet side of the control stand to be the target value in the thickness distribution in the width direction on the outlet side of the tandem mill is predicted, the predicted thickness distribution is taken as the target thickness distribution on the outlet side of the control stand and the thickness distribution on the outlet side of the control stand is taken as the target thickness distribution.