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| 225/45ZR17 94W XL超高性能轿车子午线轮胎的设计 |
| Design on 224/45ZR17 94WXL Ultra-high Performance Passenger Car Radial Tire |
| Received:March 30, 2023 Revised:March 30, 2023 |
| DOI：10.12135/j.issn.1006-8171.2024.07.0403 |
| 中文关键词: 轿车子午线轮胎；结构设计；施工设计；成品轮胎性能；实车评价 |
| 英文关键词: UHP轮胎；花纹设计；结构设计；施工设计；成品轮胎性能；实车评价 |
| 基金项目: |
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| Author Name | Affiliation | E-mail | | WANG Wei* | Qingdao Doublestar Tire Industry Co.，Ltd | wangwei2778@doublestar.com.cn | | WANG Jun | Qingdao Doublestar Tire Industry Co.，Ltd | | | XU Wei | Qingdao Doublestar Tire Industry Co.，Ltd | | | LIU Jie | Qingdao Doublestar Tire Industry Co.，Ltd | | | LIU Jifa | Qingdao Doublestar Tire Industry Co.，Ltd | | | XIANG Bingbing | Qingdao Doublestar Tire Industry Co.，Ltd | | | DENG Haitong | Qingdao Doublestar Tire Industry Co.，Ltd | | | WANG Ziqi | Qingdao Doublestar Tire Industry Co.，Ltd | | | ZHAO Xiaoyan | Qingdao Doublestar Tire Industry Co.，Ltd | |
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| 中文摘要: |
| 介绍225/45ZR17 94W XL超高性能轿车子午线轮胎的设计。结构设计：外直径 626 mm，断面宽 234 mm，行驶面宽度 191 mm，行驶面弧度高 8 mm，胎圈着合直径 435.2 mm，胎圈着合宽度 206 mm，断面水平轴位置（ H1/H2 ） 0.95，采用4条纵沟的非对称花纹设计，花纹深度 8 mm，花纹饱和度 70.5%，花纹周节数 72。施工设计：带束层采用2层3×0.28ST超高强度钢丝帘线，胎体采用2层1100dtex/2增强型聚酯帘线，采用一次法成型机成型、硫化机硫化。成品性能测试结果表明，轮胎的充气外缘尺寸、强度、脱圈阻力、高速性能和耐久性能均达到相应的设计和国家标准要求，轮胎的舒适性、干湿地操纵性能和干湿地制动距离与竞品相当。 |
| 英文摘要: |
| The design process of 225/45ZR17 94W XL Ultra-high Performance tire was introduced. The profile design values are as follows: overall diameter 626 mm,cross-sectional width 234 mm, longitudinal position ratio of the widest section is 0.95,width of tire crown running surface 191 mm, running surface arc height 7.9 mm.Pattern design:An asymmetrical pattern with 4 longitudinal grooves was determined，with the middle grooves depth 8.0 mm and the outer grooves 7.5mm，block/total ratio70.5% , number of pattern pitches 72.The construction design as follows：using SOT structure with one-step building machine,1000D/2 polyester fiber carcass and 3*0.28ST steel wire belting layer were selected. Using a hot plate curing press to cure tire with saturated steam + nitrogen. A number of tests were performed on finished tires, the indoor performance met the design and standard requirements.Through the evaluation of dry / wet braking, dry / wet handling stability and ride, the tire showed good comprehensive performance, especially the comfort and dry braking performance , which well meet the initial development expectations. |
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