During rolling strip for automobile at Baosteel 1420 cold rolling mill,the tension between 5/4 stands often overshoots.The total strip quantity rolling under the tension overshoot reaches above 40%.

• 宝钢1420冷轧机在轧制汽车板时,5/4机架间经常发生张力超调,张力超调下轧制的带钢占40%25以上。