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| 275/30ZR20 97Y XL轿车子午线轮胎的设计 |
| Design of 275/30ZR20 97Y XL Passenger Car Radial Tire |
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| DOI： |
| 中文关键词: 轿车子午线轮胎；超高性能；低断面；结构设计；施工设计 |
| 英文关键词: passenger car radial tire；ultra high performance；low cross-section；structure design；construction design |
| 基金项目: |
| 中图分类号:U463.341 +.4/.6 |
| Author Name | Affiliation | | WANG Baokai | Qingdao University of Science and Technology；Sailun Jinyu Group Co.，Ltd |
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| 中文摘要: |
| 介绍275/30ZR20 97Y XL超高性能低断面轿车子午线轮胎的设计。结构设计：外直径 668.4 mm，断面宽 286 mm，行驶面宽度 242 mm，行驶面弧度高 11.8 mm，胎圈着合直径 508.4 mm，胎圈着合宽度 260 mm，断面水平轴位置（H1/H2） 0.951，采用非对称花纹设计，花纹深度 8.2 mm，花纹饱和度 34.7%，花纹周节数 34。施工设计：带束层采用2层1×3×0.30 HT OC钢丝帘布，冠带层采用930dtex/2改性锦纶66浸胶帘布，胎体采用1层2200dtex/2聚酯浸胶帘布，钢丝圈采用Φ1.3 mm回火钢丝，采用二次法成型、B型硫化机硫化。成品性能试验结果表明，成品轮胎外缘尺寸、强度性能、脱圈阻力、耐久性能和高速性能符合设计和相关标准要求。 |
| 英文摘要: |
| The design of 275/30ZR20 ultra high performance low cross-section passenger car radial tire was described.In the structure design，the following parameters were taken：overall diameter 668.4 mm，cross-sectional width 286 mm，width of running surface 242 mm，arc height of running surface 11.8 mm，bead diameter at rim seat 504.8 mm，bead width at rim seat 260 mm，maximum width position of cross-section （H1/H2） 0.951，asymmetrical pattern design，pattern depth 8.2 mm，block/total ratio 34.7%，and total number of pitches 34.In the construction design，2 layers of 1×3×0.30 HT OC steel cord for belt，930dtex/2 dipped modified nylon 66 for cap ply，1 layer of 2200dtex/2 dipped polyester cord for carcass ply，and Φ1.3 mm tempered bead wire for bead.The tire was built on two stage building machine and cured using a type B curing press.It was confirmed by the finished tire test that，the peripheral dimension，strength performance，bead unseating resistance，endurance performance and high speed performance met the requirements of the design and corresponding standards. |
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