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本文介绍了发动机油水混合问题产生的原因和采用试漏工艺的必要性,各种试漏方法的原理及实用效果对比,指出传统的水压试漏工艺不能满足产品的质量要求,而气压试漏则具有许多优点。文中介绍了气压试漏的适用范围和工艺参数的选择。
This paper introduces the causes of engine oil-water mixing problems and the necessity of using the leak test process. The principle and practical results of various test leak methods are compared. It is pointed out that the traditional hydraulic pressure leak test can not meet the quality requirements of the product, Then has many advantages. The paper introduces the scope of application of pressure test and the choice of process parameters.