| 轿车车门铰链的焊接变形II.凸焊焊后残余应力及变形分析 |
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| 引用本文： | 罗爱辉,陈关龙,来新民,朱文峰.轿车车门铰链的焊接变形II.凸焊焊后残余应力及变形分析[J].焊接学报,2005,26(5):27-30. |
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| 作者姓名： | 罗爱辉 陈关龙 来新民 朱文峰 |
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| 作者单位： | 上海交通大学,车身制造技术中心,上海,200030 |
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| 基金项目： | 上海通用汽车公司基金资助项目 |
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| 摘 要： | 针对轿车车门凸焊后会产生焊接变形的具体情况，建立了一个铰链和加强板的二维有限元凸焊模型。利用凸焊工艺过程分析得到的凸焊焊接温度场分布结果，在自由状态下对模型进行了热应力分析，获得了凸焊焊接热变形和焊后残余应力的分布情况。并结合轿车车门焊接的实际，分析了焊后车门铰链的变形趋势，取得了与试验结果相一致的结论。
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| 关 键 词： | 凸焊 有限元分析 焊接变形 残余应力 |
| 文章编号： | 0253-360X(2005)05-27-04 |
| 收稿时间： | 2004/4/27 0:00:00 |
Distortion research on projection welding of car door hinge - Part Ⅱ: residual stresses and distortions analysis of projection welding |
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| LUO Ai-hui,CHENG Guan-long,LAI Xin-min and ZHU Wen-feng.Distortion research on projection welding of car door hinge - Part Ⅱ: residual stresses and distortions analysis of projection welding[J].Transactions of The China Welding Institution,2005,26(5):27-30. |
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| Authors: | LUO Ai-hui CHENG Guan-long LAI Xin-min and ZHU Wen-feng |
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| Affiliation: | BMTC, Mechanical and Power Engineering School, Shanghai Jiaotong University, Shanghai 200030, China,BMTC, Mechanical and Power Engineering School, Shanghai Jiaotong University, Shanghai 200030, China,BMTC, Mechanical and Power Engineering School, Shanghai Jiaotong University, Shanghai 200030, China and BMTC, Mechanical and Power Engineering School, Shanghai Jiaotong University, Shanghai 200030, China |
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| Abstract: | According to the actual condition,a 2D finite element model had been built for the car door hinge and reinforced plate.Based on the result of temperature distribution by the process analysis of projection welding,the heat distortions and the distribution of residual stresses were gained by the analysis of heat stresses in the free constrain condition.Then the distortion tendency of car door hinge was analyzed in the end and coincident conclusions were gained. |
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| Keywords: | projection welding finite element analysis welding distortion residual stresses |
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