| Research on Friction Behavior of Radial Lip Seal Based on Multi-Scale Analysis |
| Received:May 12, 2020 Revised:May 19, 2020 |
| DOI：10.12136/j.issn.1000-890X.2020.10.0769 |
| Key Words: radial lip seal；PTFE；friction；multi-scale analysis；numerical simulation；lubrication |
| Author Name | Affiliation | E-mail | | WU Jian* | Center for Rubber Composites and Structure，Harbin Institute of Technology（Weihai ） | wujian@hitwh. edu. cn | | WANG Yonggang | Center for Rubber Composites and Structure，Harbin Institute of Technology（Weihai ） | | | ZHANG Chuanbing | Harbin Institute of Technology | | | WANG Youshan | Center for Rubber Composites and Structure，Harbin Institute of Technology（Weihai ）；2. Harbin Institute of Technology | | | SU Benlong | Center for Rubber Composites and Structure，Harbin Institute of Technology（Weihai ） | |
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| Abstract: |
| Taking the VL radial lip seal structure as the research object，using a combination of numerical simulation and experimental research, the macro and micro friction characteristics of polytetrafluoroethylene （PTFE） sealing material was studied based on multi-scale analysis. The results showed that，the friction force of PTFE sealing material lubricated by phosphate ester hydraulic oil was 28. 7% lower than that of dry friction on average. Under the lubrication of phosphate ester hydraulic oil，the macro and micro contact pressure and friction work density of PTFE sealing material decreased with the increase of temperature. |
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