Abstract: Function and composition of a semi-continuous rolling mill automatic control system is concisely introduced.The controlprocedure is stated briefly.The principle of speed cascade and micro- tension control have been specifically analyzed.And way of PLC cortrolis presented .

摘要： 简要介绍了一种小型型钢半连轧机自动控制系统的组成和功能，以及控制过程。着重分析了级联速度和微张力控制的原理，并给出了ＰＬＣ的控制方法。

关键词: 自动控制系统, 级联速度, 微张力控制

CLC Number: 

• TG333.11