Effect of Shape Factor on Vertical Compression Properties of EPDM Laminated Bearings |
Received:September 23, 2022 Revised:September 23, 2022 |
DOI:10.12136/j.issn.1000-890X.2023.10.0808 |
Key Words: EPDM;laminated bearing;shape factor;compression performance;finite element analysis |
Author Name | Affiliation | E-mail | HOU Lanjie | Henan University of Technology | zhuxiaowei1989@126.com | ZHU Xiaowei* | Henan University of Technology | zhuxiaowei1989@126. com | TANG Changyu | Chengdu Development Center of Science and Technology,China Academy of Engineer Physics | | JIANG Qi | Sichuan Highland Engineering Design Consulting Co.,Ltd | | CHEN Yongqian | Chengdu Development Center of Science and Technology,China Academy of Engineer Physics | | LIANG Zhu | Beijing Xinfeng Aerospace Equipment Co.,Ltd | |
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Abstract: |
The influence of geometrical parameters on the vertical compression performance of the ethylene-propylene-diene rubber(EPDM) laminated bearing was studied by finite element analysis method.The results showed that when the shape factor(S) was 7,7.5,and 8.17,the error between the calculated value and the theoretical value of compressive elastic modulus of the EPDM laminated bearing was greater than the standard limit value(20%).When S>8.17,the error was less than the standard limit,and as S increased,the error decreased overall.Under the maximum design compressive stress(10 MPa),the vertical compressive displacement of the EPDM laminated bearing was less than the standard limit,and the ratio of the vertical compression displacement to its limit value gradually decreased with the increase of S.The vertical compression performance of the EPDM laminated bearing was good,which was consistent with that of traditional natural rubber and chloroprene rubber laminated bearings,and could meet actual engineering requirements. |
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