汽车电气-机械喇叭常见失效模式分析及改进

根据多年从事喇叭质量工作的经验总结,对近5000个喇叭的拆解分析以及大量的整车试验验证,汇总分析了9种机械喇叭常见失效模式,并对每种失效模式的改进方法予以总结.以喇叭膜片裂失效为例介绍问题分析过程,提供了售后质量分析和改进的思路,并提出和推广了喇叭整车安装模态的概念.

Failure Mode Analysis and Improvement of Vehicle Electric-mechanical Horns

According to few years’ working experience and almost 5000 horns’ teardown analysis and lots of vehicle tests,9 mechanical horn failure modes are summarized,and then their improvement methods are introduced.The author gives an example: horn diaphragm broken to introduce issue analysis process.The warranty analysis and improvement thoughts is suggested and horn mounting mode is put forward and pushed to adopt in vehicle development stage.