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Research on Ultrasonic C-scan Technique For axle housing

Research on Ultrasonic C-scan Technique For Axle Housing

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ICEMI'2005第七届国际电子测量与仪器学术会议

作者： Wu Ruiming1 Zhou Xiaojun2 (1 Department of Electromechanical Engineering Zhejiang University of Science and Technology Hangzhou 310012 China) (2 College of Mechanical and Energy Engineering Zhejiang University Hangzhou 310027 China)

In the ultrasonic C-scan of axle housing, the probe is difficult to aim at the normal surface direction. To solve the problem, profile measurement and restructured modeling were used to track the surf

关键词： axle housing digitalization ultrasonic C-scan profile measurement

来源： cnki会议评论

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Optimization Design of Welding Seam for axle housing Based on Fatigue Life

Optimization Design of Welding Seam for Axle Housing Based o...

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2021中国汽车工程学会年会暨展览会

作者： Kang Yipo Zhu Xuewu Zhang Youlong Yan Bo Li Junlou Liu Yanling State Key Laboratory of Comprehensive Technology on Automobile Vibration and Noise & Safety Control General Research and Development Institute of China FAW Co. Ltd

The reasonable optimization of welding seam load is of great significance for improving the overall fatigue life of punchwelded axle *** the welding axle housing of passenger car as the research object,the stress distribution of the housing and the welding bracket was calculated by the finite element method（FEM）,and the fatigue stress spectrum was *** this basis,the fatigue damage of the housing,the welding bracket and the welding seam was predicted using the critical plane method and the notch stress method,and the rationality of the welding seam layout was evaluated by the fatigue damage of the welding ***,the mechanical analysis was carried out for the welding seam with large fatigue damage,and the optimization measures were put forward from the weld position,length and welding bracket stiffness,so as to improve the local load state of the welding ***,the fatigue life calculation and experimental verification of the optimized scheme were carried out The results show that compared with the original scheme,the fatigue damage of the optimized scheme is reduced by 43.0%,and the overall life of the housing is greatly *** optimization scheme has passed the bench durability test and vehicle road durability test,and the housing has no fracture or crack,which verifies that the optimization scheme is effective,and the weld optimization measures have certain engineering reference *** with the bench fatigue durability test,the prediction accuracy of fatigue life is 82.4%,which meets the engineering needs.

关键词： axle housing welding seam damage life FEM

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