车身后背门耐久性问题及优化研究  

Optimization research on durability issues of vehicle rear door

作　　者：潘冬冬 夏洋 Pan Dongdong;Xia Yang(Geely Automobile Research Institute Co.,Ltd.,Ningbo 315336,China)

机构地区：[1]吉利汽车研究院(宁波)有限公司,浙江宁波315336

出　　处：《汽车知识》2025年第4期49-51,共3页AUTOMOTIVE KNOWLEDGE

摘　　要：本文以某SUV车型后背门耐久性问题为例,通过系统试验、计算机辅助工程(CAE)分析等方法,深入研究后背门密封条异常磨损与钣金总成开裂问题。本文提出了加强结构验证、优化制造工艺等系统性解决方案,建立了完善的耐久性评价体系,为提高汽车后背门总成耐久性能提供了理论指导和实践参考。This paper takes the rear back door durability problem of an SUV model as an example, and studies the abnormal wear of the rear back door seal and cracking of the sheet metal assembly in-depth by means of systematic tests, computer-aided engineering(CAE) analysis and other methods. This paper proposes systematic solutions such as strengthening structural validation and optimizing manufacturing process, and establishes a perfect durability evaluation system, which provides theoretical guidance and practical reference for improving the durability of automobile back door assembly.

关 键 词：后背门耐久性 密封条磨损 钣金开裂 CAE分析 耐久性评价 

分 类 号：U463.834[机械工程—车辆工程]