5 000 mm单机架宽厚板轧机力臂系数模型

doi:10.13228/j.boyuan.issn0449-749x.20200500

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Abstract Rolling torque is one of the most important process parameters in the plate rolling process. The accuracy of the lever arm coefficient model directly affects the calculation accuracy of rolling torque. The reverse calculation model of the lever arm coefficient is derived,and the lever arm coefficient is obtained based on the actual rolling data. The influence of geometric conditions of the rolling deformation zone on the lever arm coefficient was studied. The deformation zone geometric coefficient and reduction ratio were determined as the critical parameters of the lever arm coefficient. Through the regression analysis of the actual data,the best model form and the model parameters are obtained. The empirical model,the now used model,and the improved model of lever arm coefficient are used to calculate the rolling torque for one 5 000 mm heavy plate mill,and the accuracies of the models are compared with the actual data. The maximum error of the rolling torque calculated with the improved lever arm coefficient model is less than 10%, and the average error is within 5%. The calculation accuracy is much higher than other models.

Key words： heavy plate mill level arm ratio torque model rolling

Received: 28 September 2020

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	Articles by authors
	JIAO Zhi-jie
	CAI Yuan-liang
	WANG Long-xin
	WANG Zhi-qiang
	SUN Xu-dong

Cite this article:

JIAO Zhi-jie,CAI Yuan-liang,WANG Long-xin等. Lever arm coefficient model of 5 000 mm single-stand heavy plate mill[J]. Iron and Steel, 2021, 56(7): 101-106.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20200500 OR http://www.chinamet.cn/Jweb_gt/EN/Y2021/V56/I7/101

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