J708-701-AS-20N知识补充:单向流量控制阀的两端连接之活塞连接结构中柱面连接的方式好坏依赖于圆柱凸面的精加工,另外整个结构的力传递有凸面与螺母来承担。此连接为了保证效果一般都加载固定装置来紧固,也就是常说的放松措施,锥面的连接结构主要的优势就是突出在紧固上,一般不需要定位装置,在整个结构方面装配也相对简单,不过加工要求也就上去了,加工锥面复杂,轴肩需要与活塞杆支承面在装配时研磨贴合,且活塞杆与活塞同轴度公差保证在一定范围内(0.02-0.04mm仅作参考)连接方法大致上有螺纹、半环和锥销等等,一般的防松方式有螺纹紧锁、活塞杆专用胶水、键槽孔、螺钉等方式。
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