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| 235/45ZR18 98W仿生轿车子午线轮胎的设计 |
| Design on 235/45ZR18 98W Bionic Passenger Car Radial Tire |
| Received:October 08, 2019 Revised:October 08, 2019 |
| DOI：10.12135/j.issn.1006-8171.2020.08.0470 |
| 中文关键词: 轿车子午线轮胎；仿生轮胎；操纵性能；防滑性能；结构设计；施工设计 |
| 英文关键词: passenger car radial tire；bionic tire；handling performance；anti-skid performance；structure design；construction design |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | Xu Xiaocui* | Sichuan Haida Rubber Group Co.,Ltd. | xuxiaocui@hdtyre.com | | Zhang Junwei | Sichuan Haida Rubber Group Co.,Ltd. | | | Luo Jiangang | Sichuan Haida Rubber Group Co.,Ltd. | | | Dong Jixue | Sichuan Haida Rubber Group Co.,Ltd. | | | Tang Dequan | Sichuan Haida Rubber Group Co.,Ltd. | | | Yu Ping | Sichuan Haida Rubber Group Co.,Ltd. | |
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| 中文摘要: |
| 介绍235/45ZR18 98W仿生轿车子午线轮胎的设计。结构设计：外直径 666 mm，断面宽 239 mm，行驶面宽度 208 mm，行驶面弧度高 9.4 mm，胎圈着合直径 460.4 mm，胎圈着合宽度 216 mm，断面水平轴位置（H1/H2） 0.910 8，花纹形状模仿兰科植物叶片形状，采用变节距设计，花纹深度 7.5 mm，花纹饱和度 71.7%，花纹周节数 72。施工设计：胎面采用耐磨、低滚动阻力配方，胎体采用1层1400dtex/3改性锦纶浸胶帘布，2层带束层均采用3×0.30HT钢丝帘线，采用一次法成型机成型、双模液压硫化机硫化。成品轮胎试验结果表明，轮胎的充气外缘尺寸、强度性能、脱圈阻力、耐久及低压耐久性能和高速性能均达到国家标准和设计要求，抗湿滑性能和滚动阻力分别达到欧盟标签法B级和C级要求，噪声测试结果为72 dB，产品取得了欧盟标签法第二阶段认证。 |
| 英文摘要: |
| The design on 235/45ZR18 98W bionic passenger car radial tire was described.In the structure design，the following parameters were taken：overall diameter 666 mm，width of cross-section 239 mm，width of running surface 208 mm，arc height of running surface 9.4 mm，bead diameter at rim seat 460.4 mm，bead width at rim seat 216 mm，maximum width position of cross-section（H1/H2） 0.910 8，the pattern shape mimicked the leaf shape of the orchid family，variable pitch design，and pattern depth 7.5 mm，block/total ratio 71.7%，number of pattern pitches 72.In the construction design，the following processes were taken：using wear-resistant and low rolling resistance formula for tread，1 layer of 1400dtex/3 modified nylon dipped cord for carcass，3×0.30HT steel cord for 2 layers of belt，using one-stage building machine to build tire，and dual-mold hydraulic vulcanizer to cure tire.It was confirmed by the finished tire test that，the inflated peripheral dimension，strength performance，bead unseating resistance，endurance and low inflation pressure endurance，and high-speed performance met the requirements of national standards and design.The wet skid resistance and rolling resistance met the requirements of level B and level C of the EU labeling method respectively，and the noise test result was 72 dB.The products had obtained the second-stage certification of the EU labeling law. |
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