论文然后主要描述钢板彩涂生产线的各部分张力控制具体方案。
Then the paper present the detail about tension control of steel coating line.
介绍了棒材轧线的系统结构及轧机速度控制过程，详细说明微张力、活套以及级联控制等在速度调节中的作用。
The control process of bar rolling speed was presented and the effects of low tension, loop and cascade control in speed regulation were described.
讨论了开卷机在镀锌生产线中的开环张力控制，并详细论述了通过在P LC中设置变频器的参数来实现开环张力控制。
The article discusses about open tension control of pay off reel in the continuous galvanizing line and setting the parameter of converters in the PLC to realize the open tension control in detail.
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