| 两辊楔横轧等内径空心轴产生椭圆原因的数值模拟研究 |
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| 引用本文： | 杨翠苹,张康生,胡正寰. 两辊楔横轧等内径空心轴产生椭圆原因的数值模拟研究[J]. 北京科技大学学报, 2012, 34(12): 1426-1431 |
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| 作者姓名： | 杨翠苹 张康生 胡正寰 |
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| 作者单位： | 北京科技大学机械工程学院,北京,100083 |
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| 摘 要： | 针对两辊楔横轧等内径空心轴轧件易产生椭圆的问题,采用有限元数值模拟方法,研究了两辊楔横轧等内径空心轴的轧制成形过程及应力应变情况.结果表明成形过程中轧件的径向压缩和轴向流动不匹配,造成金属切向流动显著、圆周长大,这是椭圆形成的主要原因.
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| 关 键 词： | 楔横轧 空心轴 椭圆化 有限元法 计算机模拟 |
Numerical simulation study on the cause of ellipse generation in two-roll cross wedge rolling the hollow parts with uniform inner diameter |
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| YANG Cui-ping,ZHANG Kang-sheng,HU Zheng-huan. Numerical simulation study on the cause of ellipse generation in two-roll cross wedge rolling the hollow parts with uniform inner diameter[J]. Journal of University of Science and Technology Beijing, 2012, 34(12): 1426-1431 |
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| Authors: | YANG Cui-ping ZHANG Kang-sheng HU Zheng-huan |
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| Affiliation: | School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083,China |
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| Abstract: | |
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| Keywords: | cross wedge rolling hollow shafts ellipse finite element method computer simulation |
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