The scuffing causes have been found by analyzing the operating principle of hot-rolled vertical coiled narrowband bifurcation device. Satisfactory effect has been made after redesigning the device.

• 通过对热轧立卷窄带钢分叉装置工作原理的分析,找出热轧立卷窄带钢在分叉装置造成划伤的原因,重新进行分叉装置设计并取得理想的结果。