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T155/85R18 T型备胎的设计
Design on T155/85R18 T-type Spare Tire
Received:November 04, 2020  Revised:November 04, 2020
DOI：
中文关键词: T型备胎；结构设计；施工设计；气密性；气味；耐磨性能
英文关键词: T-type spare tire；structure design；construction design；air tightness；odor；wear resistance
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Author NameAffiliationE-mail
WANG Haiyan* 浦林成山（山东）轮胎有限公司 haywang@prinxchengshan.com 
WU Xiangxin 浦林成山（山东）轮胎有限公司  
JIANG Hongxu 浦林成山（山东）轮胎有限公司  
CHE Mingming 浦林成山（山东）轮胎有限公司  
ZHANG Feiyang 浦林成山（山东）轮胎有限公司  
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中文摘要:
      介绍T155/85R18 T型备胎的设计。结构设计：外直径　716 mm，断面宽　157 mm，行驶面宽度　116 mm，行驶面弧度高　9.98 mm，胎冠采用两段弧设计，一段弧长　200 mm，二段弧长　120 mm，胎圈着合直径　461.1 mm，胎圈着合宽度　114.3 mm，断面水平轴位置（H1/H2）　0.85，胎面采用2条纵沟与横沟相结合的混合花纹，花纹深度　3.2 mm，花纹饱和度　76.49%。施工设计：胎面采用高耐磨炭黑胶料，胎体采用1440dtex/2聚酯帘布，冠部采用2层带束层、无冠带缠绕设计。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、胎圈阻力、高速性能和耐久性能均达到国家标准要求，气密性、气味和实车耐磨性能达到主机厂要求。
英文摘要:
      The design on T155/85R18 T-type spare tire was described.In the structure design，the following parameters were taken：overall diameter　716 mm，cross-sectional width　157 mm，width of running surface　116 mm，arc height of running surface　9.98 mm，using two arc design for crown，the first art length　200 mm，the second art length　120 mm，bead diameter at rim seat　461.1 mm，bead width at rim seat　114.3 mm，maximum width position of cross-section（H1/H2）　0.85，using mixed pattern combining two longitudinal grooves and transverse grooves，pattern depth　3.2 mm，block/total ratio　76.49%.In the construction design，the following processes were taken：adopted high wear-resistant carbon black compound for tread，1440dtex/3 polyester cord for carcass，crown adopted 2 layers of belts and no crown band winding design.The test results of the finished tire showed that，the inflated peripheral dimension，strength，bead unseating resistance，high speed performance and durability met the requirements of national standards，the air tightness，odor and wear resistance met the requirements of automobile manufacturers.
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