The design principle and realization of quenching control system based on PLC used in Sendzimir Mill intermediate roll were introduced.
介绍了以可编程控制器（PLC）为核心的森吉米尔轧机中间辊中频淬火控制系统的设计原理与实现过程。
The example by quenching to intermediate frequency is analysed, advantage having ascertained mill roller intermediate frequency quenching.
通过对中频淬火的实例分析，确定了轧钢机轧辊中频淬火的优势。
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