Research Papers

Numerical Analysis of Roll Deflection for Sendzimir Mill

[+] Author and Article Information
H. L. Yu1

The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Chinayuhailiang1980@tom.com

X. H. Liu, X. W. Li

The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

G. T. Lee, H. D. Park

 POSCO Technical Research Laboratories, Pohang, 790-785, Korea


Corresponding author.

J. Manuf. Sci. Eng 130(1), 011016 (Feb 15, 2008) (7 pages) doi:10.1115/1.2783256 History: Received November 13, 2006; Revised July 07, 2007; Published February 15, 2008

The present work introduces a new type of numerical analyzing method: the contact element method with two relative coordinates (CEM). The main characteristic of the procedure is elements meshing on the basis of the contact length between objects and that each element has two relative coordinates. The ordinary expression of this procedure is DX[CXY(i)]=DY[CYX(i)]. Through this method, the CEM function of the 20-high Sendzimir mill and the deflection function expression of every roll are obtained. A computational software SM4SM for the Sendzimir mill has been developed, by which the deflection condition of rolls S, O, I, and A can be obviously seen. The results obtained by CEM have also been compared to that by the finite element method.

Copyright © 2008 by American Society of Mechanical Engineers
Topics: Deflection
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Figure 6

Strip profile calculated by SM4SM

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Figure 4

Geometry and FE meshing of Sendzimir mill

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Figure 2

Acting force between rolls of rolls system of Sendzimir mill

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Figure 3

Deformation between the rolls S and O

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Figure 5

Roll deflection: (a) roll S, (b) roll O, (c) roll I, and (d) roll A



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