文章摘要
Finite Element Analysis of Sliding Friction Force of Rubber O-ring in Reciprocating Sealing Device
Received:December 31, 2020  Revised:December 31, 2020
DOI：10.12136/j.issn.1000-890X.2021.05.0332
Key Words: rubber O-ring；reciprocating sealing；sliding friction force；compression ratio；temperature； finite element analysis
Author NameAffiliationE-mail
FU Xuguang* Avic Xinxiang Aviation IndustryGROUPCO.,LTD,Shanghai Branch fuxuguang@163.com 
CHEN Jiangmi Avic Xinxiang Aviation IndustryGROUPCO.,LTD,Shanghai Branch  
LUO Zhenyu Avic Xinxiang Aviation IndustryGROUPCO.,LTD,Shanghai Branch  
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Abstract:
      Based on the nonlinear contact theory，the sliding friction of rubber O-ring in aero-engine reciprocating sealing device was simulated by finite element method，the influence of compression ratio and temperature on the sliding friction of rubber O-ring was studied，and the applicability of two sliding friction theory algorithms was analyzed.The results showed that，as the compression rate increased，the sliding friction of rubber O-ring tended to increase nonlinearly.Only when the rubber was thermal expansion was considered，the sliding friction of rubber O-ring was not sensitive to the change of temperature.In the theoretical calculation of sliding friction of two rubber O-ring，the results of Lindley algorithm were small as a whole，and the results of empirical formula were close to those of finite element analysis in a large compression rate range.
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