Abstract
During cold ring rolling processes, the material properties of the ring blank have a significant effect on the quality of the deformed ring and the determination of forming parameters. In this paper, the coupled influence laws of material properties parameters (hardening exponent n, yield stress σs and elastic modulus E) and forming parameters (rotational speed n1 of driver roll and feed rate v of idle roll) on the average spread, fishtail coefficient, degree of inhomogeneous deformation, roll force and roll moment have been investigated by using 3D-FE numerical simulation based on elastic–plastic dynamic explicit FEM under ABAQUS environment. The achievements of this study provide an important guide for selecting the material of the ring blank and determining the forming parameters according to the material properties of ring blank, and are very significant for the optimum design and precision control of the cold ring rolling process.
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