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| 225/40ZR18 92Y超高性能轿车子午线轮胎的设计 |
| Design on 225/40ZR18 92Y Ultra-high Performance Passenger Car Radial Tire |
| Received:July 24, 2019 Revised:July 24, 2019 |
| DOI：10.12135/j.issn.1006-8171.2020.06.0342 |
| 中文关键词: 轿车子午线轮胎；超高性能轮胎；结构设计；施工设计；骨架材料；速度等级 |
| 英文关键词: passenger car radial tire；ultra-high performance tire；structure design；construction design；skeleton material；speed rate |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | TAN Shijun* | Zhaoqing Junhong Co.,Ltd. Guangdong 526238 | 635675856@qq.com |
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| 中文摘要: |
| 介绍225/40ZR18 92Y超高性能轿车子午线轮胎的设计。结构设计：外直径 635 mm，断面宽 236 mm，行驶面宽度 198 mm，胎圈着合直径 406.9 mm，零点半径 272.95 mm，采用4条纵沟加横沟的单导向花纹设计，花纹深度 8.1 mm，花纹饱和度 68.9%，花纹周节数 55。施工设计：胎面采用白炭黑胶料，冠带层使用2层1400dtex/2锦纶66浸胶帘布，带束层采用2＋2×0.30HT钢丝帘线，胎体采用1层1670dtex/2 58E加密聚酯浸胶帘布，采用一次法成型机成型、液压硫化机硫化。成品轮胎性能试验结果表明，轮胎的充气外缘尺寸、强度性能、耐久性能、高速性能和脱圈阻力均符合相应设计和国家标准要求。 |
| 英文摘要: |
| The design on 225/40ZR18 92Y ultra-high pperformance passenger car radial tire was described.In the structure design，the following parameters were taken：overall diameter?635 mm，cross-sectional width?236 mm，width of running surface 198 mm，bead diameter at rim seat?406.9 mm，datum radius?272.95 mm，using the single direction pattern with 4 longitudinal groove and transverse groove design，pattern depth?8.1 mm，block/total ratio?68.9%，and number of pattern pitches?55.In the construction design，the following processes were taken：using silica compound tread，two layers of 1400dtex/2 nylon 66 dipped cord for crown belt layer，2＋2×0.30HT steel cord for belt，1 layer of 1670dtex/2 58E dense polyester dipped cord for carcass，using one-step building machine to build tires，and hydraulic vulcanizing press to cure tires.The test results of finished tire showed that，the inflated peripheral dimention，strength，durability，high speed performance and the bead unseating resistance met the requirements of corresponding design and national standards. |
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