| 预制坯形状对扭力梁内高压成形的影响分析 |
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| 引用本文： | 韩聪,张伟玮,苑世剑,赵福全,丁勇,曹伟.预制坯形状对扭力梁内高压成形的影响分析[J].材料科学与工艺,2011,19(4):1-5. |
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| 作者姓名： | 韩聪 张伟玮 苑世剑 赵福全 丁勇 曹伟 |
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| 作者单位： | 哈尔滨工业大学先进焊接与连接国家重点实验室;哈尔滨工业大学先进焊接与连接国家重点实验室;哈尔滨工业大学先进焊接与连接国家重点实验室;浙江吉利汽车研究院有限公司;浙江吉利汽车研究院有限公司;浙江吉利汽车研究院有限公司 |
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| 基金项目： | 国家自然科学基金资助项目(51075097) |
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| 摘 要： | 针对复杂截面扭力梁内高压成形容易出现咬边和开裂的问题,以轿车V型扭力梁为例,采用数值模拟和试验方法,分析了预制坯形状对扭力梁内高压成形的影响,重点研究了压下量（Y）和侧向宽度（B）对预制坯形状和内高压成形的影响.结果表明,当Y、B分别为0.83D（D为管材直径）、0.73D和0.78D、0.78D时,得到的预制坯形状在...
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| 关 键 词： | 内高压成形 液压成形 扭力梁 预成形 |
The effect of preform shape on hydroforming of a torsion beam |
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| HAN Cong,ZHANG Wei-wei,YUAN Shi-jian,ZHAO Fu-quan,DING Yong and CAO Wei.The effect of preform shape on hydroforming of a torsion beam[J].Materials Science and Technology,2011,19(4):1-5. |
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| Authors: | HAN Cong ZHANG Wei-wei YUAN Shi-jian ZHAO Fu-quan DING Yong and CAO Wei |
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| Affiliation: | State Key Laboratory of Advanced welding and Joining,Harbin Institute of Technology,Harbin 150001,China;State Key Laboratory of Advanced welding and Joining,Harbin Institute of Technology,Harbin 150001,China;State Key Laboratory of Advanced welding and Joining,Harbin Institute of Technology,Harbin 150001,China;Zhejiang Geely Automobile Research Institute Co.Ltd.,Linhai 317000,China;Zhejiang Geely Automobile Research Institute Co.Ltd.,Linhai 317000,China;Zhejiang Geely Automobile Research Institute Co.Ltd.,Linhai 317000,China |
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| Abstract: | To solve the problem of wrinkling and bursting during hydroforming of a torsion beam with complicated sections,numerical simulations and experimental researches were conducted,and the effect of different combinations of pressing distance Y and lateral width B of preform shapes was studied.The results showed that the flanges occurred during dies closing when Y is 0.83 D and B is 0.73 D(D is the outer diameter of the tube)or Y is 0.78 D and B is 0.78 D,respectively.However,the bursting occurred during hydroforming when Y is 0.73 D and B is 0.73 D or Y is 0.78 D and B is 0.68 D,respectively.The hydroforming process can be successfully conducted and qualified parts can be obtained with the preform shape when Y is 0.78 D and B is 0.73D.The preform shape is the most important factor on hydroforming of a torsion beam with complicated sections,and the defects can be avoided by changing the dimensions and shapes of the preform. |
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| Keywords: | internal high pressure forming hydroforming torsion beam preform |
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