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| 9.00R20 16PR全钢载重子午线轮胎胎圈的优化设计 |
| Optimization Design of Bead of 9.00R20 16PR All-steel Truck and Bus Radial Tire |
| Received:December 29, 2022 Revised:December 29, 2022 |
| DOI：10.12137/j.issn.2095-5448.2023.11.0561 |
| 中文关键词: 全钢载重子午线轮胎；胎圈；耐久性能；优化设计 |
| 英文关键词: all-steel truck and bus radial tire；bead；endurance；optimization design |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | YUAN Dingjun* | Zhongce Rubber（Jiande） Co.，Ltd | 526855069@qq.com |
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| 中文摘要: |
| 为提高胎圈性能，对9.00R20 16PR全钢载重子午线轮胎的胎圈设计方案优化，并进行试验验证。结果表明，轮胎胎圈部位加贴1或2 1870dtex/2V2锦纶包布（含外侧和内侧各贴1层）对钢丝圈包布端点和胎体帘布反包端点进行保护，可以大幅提高轮胎胎圈耐久性能。 |
| 英文摘要: |
| To improve tire bead performance，the bead design scheme of 9.00R20 16PR all-steel truck and bus radial tire was optimized and verified through experiments.The results indicated that adding one or two layers of 1870dtex/2V2 nylon wrap（including one layer each on the outer and inner sides） to the bead area of the tire could significantly improve the endurance of the tire bead by protecting the end points of the bead chafer and the turn-up carcass cord. |
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