| 热点应力法在汽车驱动桥焊接强度耐久性分析中的应用 |
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| 引用本文： | 张娜,魏德永,曹征栋,霍福祥.热点应力法在汽车驱动桥焊接强度耐久性分析中的应用[J].汽车技术,2012(9):52-57. |
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| 作者姓名： | 张娜 魏德永 曹征栋 霍福祥 |
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| 作者单位： | 中国第一汽车股份有限公司技术中心汽车振动噪声与安全控制综合技术国家重点实验室 |
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| 摘 要： | 针对汽车驱动桥焊接桥壳结构特点,采用热点应力法及CAE技术对其焊接结构强度耐久性进行了模拟分析。为验证热点应力法模拟焊接结构的有效性,对3种标准焊接件、2种驱动桥桥壳焊接部位的强度和耐久性进行了试验与模拟对比分析,结果表明,该方法对焊接部位关键点应力的模拟有效性达70%以上,焊接部位的耐久性模拟寿命均值与试验结果量级相当。
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| 关 键 词： | 驱动桥 焊接桥壳 强度 耐久性 热点应力法 |
Application of Hot Spot Stress Method on Welding Strength & Durability for Automotive Drive Axle |
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| Zhang Na
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Wei Deyong
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Cao Zhengdong
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Huo Fuxiang.Application of Hot Spot Stress Method on Welding Strength & Durability for Automotive Drive Axle[J].Automobile Technology,2012(9):52-57. |
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| Authors: | Zhang Na Wei Deyong Cao Zhengdong Huo Fuxiang |
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| Affiliation: | (State Key Lab of Automotive Vibration,Noise & Safety Control Technology,China FAW Co.Ltd) |
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| Abstract: | According to structural characteristic of welded axle housing of automotive drive axle,simulation analysis is made to welded structural strength and durability with hot spot stress method and CAE technology.To verify the effectiveness of simulation of welding structure with hot spot stress method,test and simulation analysis are made to strength and durability of welding location of three types of standard welding components and two types of drive axle housing.The results show that the effectiveness of simulation of this method on stress of critical welding location is up to over 70%,the average of durability simulation life of the welding location is equivalent to test results. |
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| Keywords: | Drive axle Axle housing welding Strength Durability Hot Spot stress method |
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