流体机械2017，Vol.45Issue(8)：37-42,63,7.DOI:10.3969/j.issn.1005-0329.2017.08.009
高压星形密封圈的密封性能分析
Seal Performance Analysis of a X-ring Seal under High Pressure
摘要
Abstract
The two-dimensional axial symmetric model of Nitrile rubber X-ring seal with PTFE backup ring structure used in hydraulic servo system was created by using the ANSYS software.Thesealing mechanism and sealing performance of the static pressure working state and reciprocating motion state were analyzed,and the specific location of the failure of the sealing X-ringwas predicted.The results showed that the stress concentration phenomenon of the sealing X-ring can be effectively eased with backup ring structure under the condition of high pressure which means medium pressure larger than 10 Mpa.The areaof convex of the sealing X-ring in the side withoutpressure which contact with the backup ring prone to wear,and the concavity of the sealing X-ring near to the piston rod is easy to tear off.关键词
星形密封圈/挡圈/往复运动/有限元/密封性能Key words
X-ring seal/backup ring/reciprocating movement/finite element method/seal performance分类
机械制造引用本文复制引用
王冰清,余三成,孟祥铠,李勇,李纪云..高压星形密封圈的密封性能分析[J].流体机械,2017,45(8):37-42,63,7.基金项目
国家重点基础研究计划973项目(2014CB046404) （2014CB046404）
浙江省自然科学基金项目(LY14E050012) （LY14E050012）
