影响共轨喷油器性能的装配工艺分析  

Analysis of Assembly Process Affecting Performance of Common-rail Injector

作　　者：李宝峰[1] 矫亚利[1] 平晓峰[1] 鞠得雨[1] 

机构地区：[1]中国一汽无锡油泵油嘴研究所,江苏无锡214063

出　　处：《现代车用动力》2010年第4期51-54,共4页Modern Vehicle Power

摘　　要：基于高压共轨喷油器在实际生产过程中的装配情况,以一种型号的喷油器装配为例,分析了其关键装配工艺孔板定位装配工艺、喷油嘴端的压紧定位装配工艺以及清洁度控制工艺在改进前后对喷油器总成性能的影响。试验研究表明,通过装配工艺的改进,产品的油量稳定性得到较大改善,产品的合格率和生产效率均得到提高。Assembly process of the common-rail injector for mass production was analyzed in this paper,and several process improve-ments for one kind of common-rail injector were applied.These improvements are mainly about orientation between orifice plate and nozzle,cleanliness of parts etc.Injection fuel stability was improved greatly after assembly process optimization,and production quali-fied rate and efficiency were improved at the same time.

关 键 词：高压共轨喷油器 装配工艺 喷油器性能 

分 类 号：TK423.8[动力工程及工程热物理—动力机械及工程]