工艺中的泄漏检测对产品质量控制的重要性

文章阐明了密封性测试在批量生产方式的汽车制造业中的重要性,介绍了广泛使用的压力法和流量法泄漏检测的基本原理,着重通过实例说明了根据不同检漏方法开发的泄漏测试设备的特点及其在生产中的适用性,并据此对企业在密封工序工艺规划中的设备选择原则进行了分析。通过对用于燃油系统中的脱附试验装置的介绍,进一步表明了基于合理方案研制的专用密封性检测设备能为产品质量提供可靠的保证。

The Importance of Using Leakage Test in Production Process for Product Quality Control

This paper explains the importance of sealing inspection of mass production in automobile manufacturing industry.By introducing the basic principles of pressure and flow of the leakage testing which are extensively adopted,the paper illustrates the features and adaptability of different leakage testing devices with examples and analyzes the device choosing principles in sealing process for enterprises.At last,by taking a purge testing equipment of fuel system as an example,it indicates that the specific leakage tester which developed based on a rational program will assure product quality.