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Research and FEM simulation on the hydroforming for rear axle housing of light vehicle
Author(s): Li Wei, Wang Chunyan, Han Yingchun
Source: International Technology and Innovation Conference 2006 (ITIC 2006), 2006, p. 1833 - 1839
Type: ConferencePaper
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By using the technology of hydroforming and manufacture of the rear housing not only can saving material and energy resources, and also can bring about lightweight and improve the quality of products. For this reason had make succeed in developing new technology which by using seamless steel tube as blank and adopting hydroforming bulge be produce Auto driving axle housing. In order to perfect this new technology and extend its using limit, in the paper was conducted simulation analyses for the hydroforming process with FEM. After was contrasted simulation result contrasted with technological experiment, was found that it identical to experiment result, thus was checked the correctness of building FEM molded. The study for simulation of process will lay the foundation of continue in development other rear axle housing of heavy-duty truck.

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Research on forming principle of the technology by forward extrusion and cross rolling for the rear axle shaft sleeve of automobile
Author(s): Wang Chunyan, Han Yingchun, Yu Duonian
Source: International Technology and Innovation Conference 2006 (ITIC 2006), 2006, p. 1840 - 1844
Type: ConferencePaper
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In order to extend applied scope of new technology of the forward extrusion and cross rolling, was researched its forming principle. Then the distribution of stress-strain relations in the formed state and the characters of metal deformation and flow are analyzed in the tube billet during the process of the forward extrusion and cross rolling. The calculating method of the deformative force is also introduced in the paper. At last, the effects of all the main technological parameters on the process and product quality are analyzed.

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