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| 全钢载重子午线轮胎花纹沟底裂口的原因分析及解决措施 |
| Cause Analysis and Solution of Groove Bottom Crack of Truck and Bus Radial Tire |
| Received:June 10, 2020 Revised:June 10, 2020 |
| DOI：10.12135/j.issn.1006-8171.2021.05.0323 |
| 中文关键词: 全钢载重子午线轮胎；纵向花纹；花纹沟底裂口；应力分析 |
| 英文关键词: truck and bus radial tire；longitudinal pattern；groove bottom crack；stress analysis |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | renxiaojing* | Aeolus Tyre Co.,Ltd | renxiaojing@rubber.chemchina.com | | liguorui | Aeolus Tyre Co.,Ltd | | | liangqianqing | Aeolus Tyre Co.,Ltd | | | liyuanyuan | Aeolus Tyre Co.,Ltd | |
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| 中文摘要: |
| 根据对全钢载重子午线轮胎纵向花纹的应力分析，采取改善轮胎轮廓设计、优化材料分布、改善花纹沟形状、合理设计花纹沟底圆弧等方法，可改善轮胎接地压力分布和花纹受力，减小胎面胶变形，提高轮胎的耐疲劳性能，进而改善花纹沟底裂口现象。 |
| 英文摘要: |
| According to the stress analysis of the longitudinal pattern of truck and bus tire，the methods of improving the tire contour design，optimizing the material distribution，improving the groove shape and reasonably designing the groove bottom arc could improve the tire ground pressure distribution and pattern stress，reduce the tread deformation，improve the fatigue resistance of the tire，and then improve the phenomenon of the groove bottom crack. |
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