Abstract
Roll flattening theory is an important part of plate shape control theories for 20-high mill. In order to improve the accuracy of roll flattening calculation for 20-high mill, a new and more accurate roll flattening model was proposed. In this model, the roll barrel was considered as a finite length semi-infinite body. Based on the boundary integral equation method, the numerical solution of the finite length semi-infinite body under the distributed force was obtained and an accurate roll flattening model was established. Coupled with roll bending model and strip plastic deformation, a new and more accurate plate control model for 20-high mill was established. Moreover, the effects of the first intermediate roll taper angle and taper length were analyzed. The tension distribution calculated by analytical model was consistent with the experimental results.
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Foundation Item: Item Sponsored by National Natural Science Foundation of China (51474190); Natural Sceince Foundation of Hebei Province of China (E2015203311)
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Yuan, Zw., Xiao, H. Plate Shape Control Theory and Experiment for 20-high Mill. J. Iron Steel Res. Int. 22, 996–1001 (2015). https://doi.org/10.1016/S1006-706X(15)30102-3
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DOI: https://doi.org/10.1016/S1006-706X(15)30102-3