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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
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Author NameAffiliationE-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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