Abstract
Due to the variation of the blade cross-section, the deformation stress and strain of the workpiece keep changing during the rolling process and the conventional rolling theory is no longer valid. The complexity and diversity of the blade cross-section determine it impossible to establish an universal theoretical model for the rolling process. Finite element analysis (FEA) provides a perspective solution to the prediction. The FEA software DEFORM was applied to discovering the deformation, stress, strain and velocity field of the variable cross-section workpiece, and the effects of friction coefficient and rolling speed during the rolling process. which indicates that the average rolling force at friction coefficient of 0.4 is 6.5% higher than that at 0.12, and the rolling velocity has less effect on the equivalent stress and strain distribution, which would confer instructive significance on the theoretical study as well as the engineering practice.
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Foundation item: Project(F12-256-1-00) supported by the Key Laboratory Program of Shenyang City, China; Project(N090403006) supported by the Seed Cultivation Fund, China; Project supported by the Research Innovation Fund for Young Teachers, China
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Kong, Xw., Li, J. & Li, B. Finite element analysis of rolling process for variable cross-section blade. J. Cent. South Univ. 20, 3431–3436 (2013). https://doi.org/10.1007/s11771-013-1867-2
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DOI: https://doi.org/10.1007/s11771-013-1867-2