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245/75R16 SUV子午线轮胎的设计
Design on 245/75R16 SUV Radial Tire
Received:March 24, 2018  Revised:March 24, 2018
DOI：10.12135/j.issn.1006-8171.2019.05.0268
中文关键词: SUV子午线轮胎；结构设计；施工设计
英文关键词: SUV radial tire；structure design；construction design
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Author NameAffiliationE-mail
Liu Peng* Triangle Tire Co., Ltd,Shandong Weihai 264200,China liupeng@triangle.com.cn 
Jiang feifei Triangle Tire Co., Ltd,Shandong Weihai 264200,China  
Du Juan Triangle Tire Co., Ltd,Shandong Weihai 264200,China  
Rong Yingfei Triangle Tire Co., Ltd,Shandong Weihai 264200,China  
Zhou Yu Triangle Tire Co., Ltd,Shandong Weihai 264200,China  
Wei Wenbin Triangle Tire Co., Ltd,Shandong Weihai 264200,China  
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中文摘要:
      介绍245/75R16 SUV子午线轮胎的设计。结构设计：外直径　772 mm，断面宽　255 mm，行驶面宽度　176.4 mm，行驶面弧度高　9.17 mm，胎圈着合直径　404.7 mm，胎圈着合宽度　203.2 mm，断面水平轴位置（ H 1/ H 2）　1.01，胎面采用4条不等宽纵沟设计，花纹深度　9.0 mm，花纹饱和度　65.81%，花纹周节数　57。施工设计：胎面采用三方四块结构，带束层采用2层3×0.30HT钢丝帘线，胎体采用2层1440dtex/2 DSP聚酯帘布，采用一次法成型机成型、双模液压硫化机硫化。成品轮胎性能试验结果表明，轮胎的外缘尺寸、强度性能、脱圈阻力、耐久和低气压耐久性能及高速性能符合相应国家标准要求。
英文摘要:
      The design on 245/75R16 SUV radial tire was described.In the structure design，the following parameters were taken：overall diameter?772 mm，cross-sectional width?255 mm，width of running surface　176.4 mm，arc height of running surface　9.17 mm，bead diameter at rim seat?404.7 mm，bead width at rim seat?203.2 mm，maximum width position of cross–section（ H 1/ H 2）?1.01，four unequal width longitudinal grooves for tread design，pattern depth?9.0 mm，block/total ratio?65.81%，and number of pattern pitches?57.In the construction design，the following processes were taken：using three-formula and four-piece structure for tread，2 layers of 3×0.30HT steel cord for belt，2 layers of 1440dtex/2 DSP polyester cord for carcass，using one-stage building machine to build tires，and double mold hydraulic press to cure tire．It was confirmed by the finished tire test that，the inflated peripheral dimension，strenght，bead unseating resistance，endurance，low inflation pressure endurance and high speed performance of the tire met the requirements of national standards.
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