Improved model to solve influence coefficients of work roll deflection |
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Authors: | Tie-yong Zhao and Hong Xiao |
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Affiliation: | (1) Dept. Electrical &; Computer Engineering, University of Pittsburgh, Benedum Hall 348, 15260 Pittsburgh, Pennsylvania, USA;(2) Department of Electrical Engineering &; Computer Science, University of Central Florida, Central Florida Blvd. 4000, 32816-2362 Orlando, Florida, USA |
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Abstract: | According to the concept of virtual bending force, a rational explanation for SHOHET’s model was presented. Considering the
deformation characters of the work rolls in four-high mill, the deformation model of the work roll was regarded as a cantilever
beam and new influence coefficients were deduced. The effect of the bending force was taken into account independently. Therefore,
the contribution to work roll deflection caused by rolling load, rolling pressure between rolls and bending force can be got
from the new formulas. To validate the accuracy of the formulas, the results obtained from the new formulas were compared
with those from SHOHET’s formulas. It is found that they highly coincide, which illustrates that the formulas are reliable. |
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Keywords: | work roll influence coefficient cantilever beam bending force |
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