Abstract
Based on the platform ABAQUS, a 3-D FEM model of conical ring with outer steps ring rolling process has been developed to investigate the ring's deformation behavior and the equivalent plastic strain PEEQ distribution. During the ring rolling, the average equivalent plastic stain (PEEQa) is increasing with bigger idle roll speed and lower drive roll rotational velocity. And the changing of the standard error criterion of the equivalent plastic strain (SDP) is similar to the equivalent plastic strain PEEQ. So the bigger idle roll speed and lower drive roll rotation velocity can help to improve the mechanical property.
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