Calculation and Analysis of Tandem Cold Rolling Force Parameters

Jin Lan Bai; Hong Zhi Pan

doi:10.4028/www.scientific.net/AMR.1004-1005.1109

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1004-1005Calculation and Analysis of Tandem Cold Rolling...

Calculation and Analysis of Tandem Cold Rolling Force Parameters

Abstract:

In order to improve the accuracy of rolling force parameters,the elastic deformation and pressure between rolls of tandem cold rolling are calculated using divided element method in this paper. Bland-Ford model is used to calculate the rolling force, and the lengths of flattening contact arcs of each element are calculated. Considering the flattening contact arc lengths and tensile stress synthetically, rolling force parameters are calculated iteratively. Then the corresponding procedure is developed, and the distribution of rolling force, pressure between rolls and tensile stress are calculated with this procedure. The results are basically consistent with the measured data, and it will be useful to thermal crown calculation and strip flatness control.