期刊
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
卷 57, 期 1, 页码 74-78出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2012.02.006
关键词
Broadside rolling; Roll separating force; Strain rate vector; Stream function; Analytical solution
资金
- State Key Laboratory of Rolling and Automation, Northeastern University, China, under the National Natural Science Foundation of China [51074052, 50734002]
- Fundamental Research Funds for the Central Universities [N110607002]
A two-dimensional velocity field for broadside rolling is proposed by reducing the dual-stream function velocity field. By using the field and the strain vector inner product, an analytical solution of roll torque and separating force for broadside rolling is first obtained. The theoretical predictions of roll torque and separating force are compared with actual measured data. The result reveals that the proposed solution is appropriate for solving broadside rolling, and the roll torque and separating force are in good agreement with the actual measured ones since the maximum errors are less than 15%. Moreover, the effects of various rolling conditions such as thickness reduction, friction factor and shape factor, upon separating force, location of neutral angle, and stress state coefficient are discussed systematically. (C) 2012 Elsevier Ltd. All rights reserved.
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