阀门装配零件阳极化表面质量问题及解决方法

Study on anodization surface quality of valve assembly parts

介绍了火箭发动机中的阀门部件在性能试验过程中,铝质零件的螺纹接嘴部位阳极化层的局部脱落问题及对此进行的技术分析,详细介绍了解决问题的方法及注意事项,解决了长期困扰在生产单位面前的难题,为提高军工产品质量及可靠性做出了贡献。

This paper discusses local shedding in anodization layer of thread interface of aluminium parts during performance test of valve parts of rocket engines. Technical analysis was conducted, and the method to solve the problem was presented. The product quality and reliability have been improved.