| 张俊伟,罗建刚,何晓东,王万合,刘超,陈尤全.225/50ZRF17 98W自体支撑型缺气保用轮胎的设计[J].橡胶科技,2019,17(1):0038-0040. |
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| 225/50ZRF17 98W自体支撑型缺气保用轮胎的设计 |
| Design of 225/50ZRF17 98W Self-supporting Run-flat Tire |
| 投稿时间：2018-09-28 修订日期：2018-09-28 |
| DOI：10.12137/j.issn.2095-5448.2019.01.0038 |
| 中文关键词: 缺气保用轮胎 结构设计 配方设计 缺气耐久性能 |
| 英文关键词: run-flat tire structural design formulation design run-flat durability |
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| 中文摘要: |
| 介绍225/50ZRF17 98W自体支撑型缺气保用轮胎的设计。结构设计：在同规格普通轮胎轮廓和花纹结构设计成熟方案基础上，设计增加胎侧支撑胶；加宽带束层和冠带层宽度；加宽胎圈趾口宽度。施工设计：使用缺气保用轮胎专用成型鼓；胎体帘布采用双层反包结构；采用二次法成型，胎侧支撑胶铺贴于内衬层上；硫化采用液压硫化机，硫化时间在普通轮胎基础上延长5～8 min。成品性能测试结果表明，成品轮胎外观无缺陷，缺气状态下在80 km·h-1的速度下的行驶时间为97 min，达到国家标准要求。 |
| 英文摘要: |
| The design of 225/50ZRF17 98W self-supporting run-flat tire was introduced.In structural design，on the basis of typical contour and pattern design of the same specifications ordinary tire，side supporting compound was added，belt width，cap ply width and bead toe width were increased.In construction design，the special building drum for run-flat tire was used.The carcass cord adopted double-layer backpacking structure.Molding by two-stage building process，side supporting compound was layed on the inner liner.The hydraulic curing press was used for curing，and the curing time was prolonged by 5～8 min on the basis of ordinary tire.It was confirmed by the finished tire test that，the appearance of finished tire was flawless，and the running time was 97 min at the speed of 80 km·h-1 under the condition of lack of gas，which meet the requirements of national standard. |
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