马振海, 胡正寰, 杨翠苹, 束学道. 楔横轧展宽段的变形特征与应力应变分析[J]. 工程科学学报, 2002, 24(3): 309-312. DOI: 10.13374/j.issn1001-053x.2002.03.063
引用本文: 马振海, 胡正寰, 杨翠苹, 束学道. 楔横轧展宽段的变形特征与应力应变分析[J]. 工程科学学报, 2002, 24(3): 309-312. DOI: 10.13374/j.issn1001-053x.2002.03.063
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MA Zhenhai, HU Zhenghuan, YANG Cuiping, SHU Xuedao. Deformation Character and Analysis of Stress and Strain during Stretching Stage for Cross Wedge Rolling[J]. Chinese Journal of Engineering, 2002, 24(3): 309-312. DOI: 10.13374/j.issn1001-053x.2002.03.063
Citation: MA Zhenhai, HU Zhenghuan, YANG Cuiping, SHU Xuedao. Deformation Character and Analysis of Stress and Strain during Stretching Stage for Cross Wedge Rolling[J]. Chinese Journal of Engineering, 2002, 24(3): 309-312. DOI: 10.13374/j.issn1001-053x.2002.03.063
shu

楔横轧展宽段的变形特征与应力应变分析

Deformation Character and Analysis of Stress and Strain during Stretching Stage for Cross Wedge Rolling

    摘要
  • 摘要: 用ANSYS/LS-DYNA3D软件对楔横轧成形过程进行非线性有限元模拟,得到了轧件展宽段的变形特征及截面上应力应变分布规律.基于上述特征和规律,分析了轧件轴肩部分隆起及端头凹心产生的原因,为深入研究楔横轧的成形机理提供了依据.

     

    Abstract: Cross wedge rolling is a complicate 3-D elastoplastic forming process. A nonlinear finite element modeling for the process of cross wedge rolling is presented with the aid of ANSYS/LS-DYNA3D. The deformation character and the distribution of stress and strain on section of workpiece during stretching stage have been obtained. On the hasis of the deformation character and the distribution of stress and strain,the shoulder and cavity on the end of work piece have been analyzed.

     

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