This article has described the function of the screw-down device of the three roll pipe mill, meanwhile the control technology for the screw-down device adjustment has been analyzed as well.
介绍了三辊轧管机压下装置的功能，并对压下装置调整的控制技术进行了分析。
This paper introduces a electrical and hydraulic control system in screw down device of plate mill.
介绍了应用在中厚板轧机压下装置上的电气及液压自动化控制系统。
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