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摘要：
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提供了楔横轧轧制螺旋轴类件模型,并通过DEFORM-3D有限元软件模拟了楔横轧轧制梯形齿形截面螺旋轴类件的成形过程,对轧件成形过程中两个重要变形阶段(成形段和精整段)的应力分布及变化规律进行详细分析。得到了轧制过程工件内部不会出现心部疏松等缺陷的结论,该应力变化规律为楔横轧轧制螺旋件的深入研究提供了理论依据。
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The model of rolling thread shaft in cross wedge rolling was provided and the forming process of rolling trapeziform thread shaft in cross wedge rolling was simulated by the finite element software DEFORM-3D.The rule of stress distribution and change on the two important forming phases(shaping and exact shaping) was analyzed and the conclusion that the internal defects could not be produced in the middle of shaft was summarized.The rule provides theory guidance for the further study of cross wedge rolling forming thread shaft.
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基金项目：
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国家自然科学基金资助重点项目(No.50435010,50675019)
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作者简介：
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参考文献：
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[1]胡正寰,张康生,王宝雨,等.楔横轧零件成形技术与模拟仿真[M].北京:冶金工业出版社,2004.
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[5]Dong Yaoming,Kaveh A,Tagavi,et al.Analysis of stressin cross wedge rolling with application to failure[J].Inter-national Journal of Mechancial Sciences,2000,(42):1233-1253.
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[8]周纪华,管克智.金属塑性变形阻力[M].北京:机械工业出版社,1989.
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