浅谈乘用车整车气密性改进  

Discussion on the improvement of passenger car air tightness

作　　者：孙文书[1] 孟详新 程国中[1] 

机构地区：[1]奇瑞汽车股份有限公司汽车研究总院,安徽芜湖241006

出　　处：《汽车实用技术》2016年第1期111-113,共3页Automobile Applied Technology

摘　　要：文章介绍了气密性对汽车NVH的重要性,阐述了气密性试验的方法,并详细描述整车开发中如何从车身结构设计、涂胶和PVC定义等方面提升气密性。通过行业对标,总结了气密性重点控制部位、漏气量及质量一致性的控制手段。This paper presents the importance of air tightness for automotive NVH,expounds the method of air tightness test,and describe detailedly how to improveair tightness by body structure design、gluing、PVC definition, etc.in Vehicle development process.According to the industrycomparison,we summarize the key control parts and leakage quantityof air tightness、 control method of quality consistency.

关 键 词：标准立方英尺每分钟 

分 类 号：U462.2[机械工程—车辆工程]