A precision on-line model for the prediction of roll force and roll power in hot-strip rolling |
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Authors: | W J Kwak J H Lee S M Hwang Y H Kim |
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Affiliation: | (1) the Department of Mechanical Engineering, Pohang University of Science and Technology, 790-784 Pohang, Korea;(2) the Stainless Steel Research Group, POSCO Technical Research laboratories, 790-785 Pohang, Korea |
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Abstract: | Investigated via a series of finite-element (FE) process simulations is the effect of diverse process variables on some selected nondimensional
parameters characterizing the thermomechanical behavior of the strip in hot-strip rolling. Then, on the basis of these parameters
an on-line model is derived for the precise prediction of roll force and roll power. The prediction accuracy of the proposed
model is examined through comparison with predictions from a FE process model and also with measurements. |
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