特殊涂层表面彩涂钢卷防塌卷工艺

Special Coil Coating Process for Preventing Coil Steel from Collapsing

针对部分特殊涂层表面的彩涂钢卷易出现塌卷的问题,将传统的逐级升高各段炉温的控制模式改为提高中间段炉温而降低后段炉温模式,并采用拉伸矫直工艺,设置0.1%~0.3%的延伸率,可以提高层间摩擦力以防止绒面彩涂板塌卷现象的出现。

In order to solve the problem that coil steels after coated with coil coatings inclined to collapse, the traditional process of oven temperature elevated gradually for each sec- tion was modified as follows： the oven temperature of the middle section was increased while the oven temperature of the end section was decreased, meanwhile, the tension straightening process was applied with the elongation set at 0. 1%-0. 3%. Thus, the friction between layers could be increased to prevent the coated coil steel collapsing.