The stability of tension directly affects the quality of the rolled products, therefore, constant tension control rolling mill automatic control system is a key technology. Expounds the role of tension in mill production, the concept of tension, tension control and influence of the basic principles of tension fluctuation factor.%张力的稳定性直接影响着轧制产品的质量,因此,轧机的恒张力控制是轧机自动控制系统中的关键技术。主要阐述了张力在轧机生产中的作用、张力的概念、张力控制的基本原理和影响张力波动的因素。
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