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为提高制件的防护性能,螺纹零件采用了电镀锌、镉复层。但目前普遍存在镀后装配不上的问题。本文就这个问题,谈谈我们的一些体会。一、原因分析及解决方法1.原因分析据我们所知,目前国内有些工厂都是按照紧固螺纹公差标准来加工螺纹的,这样,上面再镀一层复层,就影响了螺纹结合的旋入性和互换性,造成装配不上的问题。
In order to improve the protective performance of the parts, the threaded parts are electroplated with zinc and cadmium. However, there is a widespread problem with plating after assembly. This article on this issue, talk about some of our experience. First, the reasons for analysis and solutions 1. Analysis of the reasons to the best of our knowledge, at present, some factories are in accordance with the tightening thread tolerance standards to process the thread, so that the top and then coated with a layer of complex, affecting the threaded combination of spin Inadvertent and interchangeable, resulting in assembly problems.