| 星形套冷挤压成形有限元方法研究 |
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| 引用本文： | 魏志刚,汤文成,刘德仿.星形套冷挤压成形有限元方法研究[J].中国机械工程,2006,17(16):1752-1755. |
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| 作者姓名： | 魏志刚 汤文成 刘德仿 |
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| 作者单位： | 1. 东南大学,南京,210096
2. 盐城工学院,盐城,224003 |
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| 摘 要： | 利用高级非线性软件MSC．Marc，采用弹塑性热机耦合分析对行星套冷挤压过程进行了模拟，得出了塑性成形的流动规律和模具的应力分布，比较了不同建模方法对模拟结果的影响，比较全面地阐述了冷挤压塑性成形的有限元仿真技术。研究结果对冷挤压成形的有限元仿真以及塑性成形工艺控制和提高模具寿命具有指导意义。
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| 关 键 词： | 星形套 塑性成形 有限元 热机耦合 |
| 文章编号： | 1004-132X（2006）16-1752-04 |
| 收稿时间： | 2005-08-01 |
| 修稿时间： | 2005-08-01 |
Study on Cold Extrusion of the Starlike Inner Race by FEA Method |
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| Wei Zhigang,Tang Wencheng,Liu Defang.Study on Cold Extrusion of the Starlike Inner Race by FEA Method[J].China Mechanical Engineering,2006,17(16):1752-1755. |
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| Authors: | Wei Zhigang Tang Wencheng Liu Defang |
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| Affiliation: | 1. Southeast University, Nanjing, 210096 ; 2. Yancheng Institute of Technology, Yancheng,Jiangsu, 224003 |
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| Abstract: | The course of cold extrusion of the starlike inner race was simulated by the 3-D elasto -plastic coupled thermal-mechanical FEA method, using the advanced nonlinear FEA analysis software. MSC. Marc; then the flowing rule during the course and the stress distribution on the mould were obtained, comparison was made in several available methods,and the FEA method of cold extrusion was described in detail. This result plays a guidline role on the simulation of the cold extrusion, controlling of the technical parameter and improvement on the life of the mold. |
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| Keywords: | starlike inner race plastic forming FEA coupled thermal-mechanical analysis |
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