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| 缺气保用轮胎胎圈轮廓设计与就位气压的相关性研究 |
| Study on Correlation of Bead Profile Design and Mounting Pressure of Run-flat Tire |
| Received:June 22, 2021 Revised:June 22, 2021 |
| DOI： |
| 中文关键词: 缺气保用轮胎；胎圈轮廓设计；就位气压；胎圈接触压力；有限元分析 |
| 英文关键词: run-flat tire；bead profile design；mounting pressure；bead contact pressure；finite element analysis |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | li na na* | ZHONGCE RUBBER GROUP COMPANY LIMITED | lena_ln@sina.com | | yang he tao | ZHONGCE RUBBER GROUP COMPANY LIMITED | | | xing wei yun | ZHONGCE RUBBER GROUP COMPANY LIMITED | | | guo lei lei | ZHONGCE RUBBER GROUP COMPANY LIMITED | |
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| 中文摘要: |
| 研究缺气保用轮胎胎圈轮廓设计对就位气压的影响。以245/45RF18轮胎为例，利用有限元分析方法对4种胎圈轮廓设计方案进行分析，通过充气状态下胎圈接触压力分布云图、接触压力分布曲线及实测就位气压的对比，找出影响就位气压的关键因子，从4个方案中选出改善就位气压的最佳设计方案。结果表明，胎圈角度和轮胎着合直径是影响轮胎就位气压的关键因子，胎圈角度减小、着合直径增大，轮胎就位气压减小。 |
| 英文摘要: |
| The effect of bead contour design on the mounting pressure of run-flat tire was studied. Taking 245/45RF18 tire as an example，four bead design schemes were analyzed by finite element analysis method.Through the comparison of bead contact pressure distribution nephogram，contact pressure distribution curve and measured mounting pressure under inflation，the key factors affecting the mounting pressure were found out，and the best design scheme to improve the mounting pressure was selected from the four schemes.The results showed that bead angle and tire seating diameter were the key factors affecting tire mounting pressure.When bead angle decreased and tire seating diameter increased，the tire mounting pressure decreased. |
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