Abstract
To improve the quality of shafts parts end in cross wedge rolling, this paper applied closed type of cross wedge rolling technology to form shaft parts. By using finite element software DEFORM-3D, simulation of forming process for closed type of cross wedge rolling was carried out. The distribution of the stress field and strain field during stretching stage is characterized as the metallic flowing of the rolling forming process. These results have great theoretical significance and engineering application value in the study of the generated mechanism of the end concavity for the closed type of cross wedge rolling and the improvement of the quality of rolled piece end.
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