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Abstract：
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The blank of car differential bevel gear was formed by cold rotary forging technology.The forming technology property was analyzed firstly,the deformation process with finite element method software—Deform was simulated,and metal flow,filling regularity and distribution of mechanics field were obtained.The simulation results were verified by experiment.Besides that,advanced manufacture method——CAM was used to manufacture mold pole.High precision electrical pole of IT 4 and gear blank of IT7 were obtained.The result proves that it is feasible to form the high precision gear through cold rotary forging.
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Funds：
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河南省科技攻关项目(0424200101);;
河南科技大学基金资助项目(2004ZY050)
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AuthorIntro：
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Reference：
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