Three Dimensional Numerical Simulation of Cup-Shaped Thin-Walled Inner Gear Spin-Forming |
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Authors: | SUN Ling-yan YE Bang-yan HAO Shao-hua XIA Qin-xiang |
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Affiliation: | School of Mechanical and Automobile Engineering, South China University of Technology, Guangzhou 510640, China |
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Abstract: | The cyclic symmetry and local fine-mesh technology were adopted in the establishment of numerical simulation model for inner gear spin-forming. And the processing experiment was proceeded to verify the reliability of the established model. The simulation result indicates that besides radial and axial flows, there also exists rather large tangential flow, which results in an increase of forming force in tangential direction. Furthermore, the un-uniform deformation of metal during spin-forming would cause for... |
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Keywords: | inner gear spin-forming numerical simulation forming defect spinning force |
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