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Abstract：
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Using the finite element simulation software of DEFORM through simulating the numerical value about the field of stress and strain,the influence of the blank temperature on the quality of extrusion in the vehicle hub axles press forming process was analyzed.The simulation result indicates that,when 40MnB material is hot extruded,it is most favorable for ladder axis forming,and ladder axis mechanics stability and following processing after the forming,if we control rough temperature around 1100 ℃.Then the technological parameter obtained from the numerical simulation was validated through the experiment.
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Funds：
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国家火炬计划资助项目(2007GH040547)
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AuthorIntro：
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Reference：
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[2]郝滨海.挤压模具简明设计手册[M].北京:化学工业出版社,2006.
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[4]周杰,夏玉峰,王梦寒.套管叉热挤压成形凸模结构对锻件终成形的影响研究[J].中国机械工程,2004,15(7):655-657.
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