Abstract : in order to meet the needs of high - temperature - coiling , thethermal deformation of the hot strip coiler s segment in the process of coiling is analysed and calculated using the method of fem . a simulation experiment has been carried out in the laboratory . the thermal deformation magnitude at the vital area has been gained 文摘:为适应高温卷取的需要,采用有限单元法对1580热连轧机卷取机卷筒扇形板在卷取过程中的热变形进行了分析计算,并在实验室进行了模拟试验,得出了扇形板关键部位的热变形量的大小。
This paper is focused on step - by - step control system for coiler of hot rolling mill , and based on the real work process of coiler at worksite , a mechanical model for coiler control system is built at laboratory used for research work . this is the first time in china to develop an electro - hydraulic servo system for this step - by - step control system 本文以热轧卷取机步进控制系统为研究对象，针对实际现场卷取机卷取工艺，在实验室建造了热轧卷取机系统物理实验模型，在国内首次研制了针对卷取机步进控制的电液伺服控制系统，建立了电液伺服系统的数学模型。
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Results of simulation and experiment on the physical simulation model built in laboratory show that the extension control is of good performance and prove that the extension control is feasible and superior in the electro - hydraulic servo system . the mathematical model of electro - hydraulic servo system is given . the simulation structure of control system with double closed loops is built 对实验室建造的热轧卷取机系统的半物理模型建立了数学模型，并在此基础上建立了双闭环控制系统的仿真框图，应用simulink软件包建立了电液伺服控制系统的仿真模型，分别采用不同的控制策略对控制系统进行了性能对比仿真研究。
