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| 275/80R22.5无内胎全钢载重子午线轮胎的设计 |
| Design 275/80R22.5 Tubless All-steel Truck and Bus Radial Tire |
| Received:July 18, 2025 Revised:July 18, 2025 |
| DOI： |
| 中文关键词: 全钢载重子午线轮胎；无内胎轮胎；结构设计；施工设计；成品轮胎性能 |
| 英文关键词: all-steel truck and bus radial tire；tubless tire；structure design；construction design；finished tire performance |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | ZHAO Fei* | Qingdao Doublestar Tire Industry Co.，Ltd | zhaof@doublestar.com.cn | | HUANG Ruijiao | Qingdao Doublestar Tire Industry Co.，Ltd | | | JIA Liyong | Qingdao Doublestar Tire Industry Co.，Ltd | | | ZHAO Yuna | Qingdao Doublestar Tire Industry Co.，Ltd | | | LI Ziqi | Qingdao Doublestar Tire Industry Co.，Ltd | | | ZHANG Baoliang | Qingdao Doublestar Tire Industry Co.，Ltd | |
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| 中文摘要: |
| 介绍275/80R22.5无内胎全钢载重子午线轮胎的设计。结构设计：外直径 1 006 mm，断面宽 270 mm，行驶面宽 215 mm，行驶面弧高 6 mm，胎圈着合直径 569.5 mm，胎圈着合宽度 220 mm，断面水平轴位置（H1/H2） 0.948 7，胎面采用4条纵向主花纹沟设计，花纹深度 15 mm，花纹饱和度 75.4%，花纹周节数 53。施工设计：胎面采用胎面胶和小翼胶复合结构，带束层采用3层带束层＋0°带束层结构，1#和2#带束层采用4＋3×0.33ST钢丝帘线，3#带束层采用5×0.30HI钢丝帘线，0°带束层采用3×7×0.20HE钢丝帘线，胎体采用3×0.24/9×0.225CCST钢丝帘线，采用一次法成型机成型、双模硫化机硫化。成品性能试验结果表明，轮胎的充气外缘尺寸、强度性能、耐久性能和高速性能均达到相应设计和国家标准要求 |
| 英文摘要: |
| The design of 275/80R22.5 tubless all-steel truck and bus radial tire was introduced.In the structure design，the following parameters were taken：overall diameter 1 006 mm，cross-section width 270 mm，width of running surface 215 mm，arc height of running surface 6 mm，bead diameter at rim seat 569.5 mm，bead width at rim seat 220 mm，maximum width position of cross-section（H1/H2） 0.948 7，
adopting 4 longitudinal main grooves design for tread，pattern depth 15 mm，block/total ratio 75.4%，and number of pattern pitches 53.In the construction design，the following parameters were taken：adopting complex structure of tread compound and small-wing compound for tread，using three-layer belts and 0° belt structure，using 4＋3×0.33ST steel cord for 1# and 2# belts，using 5×0.30HI steel cord for 3# belt，using 3×7×0.20HE steel cord for 0° belt，using 3×0.24/9×0.225CCST steel cord for carcass，using one-stage building machine to build tires and dual-mold press to cure tires.The finished tire performance test results showed that the inflated peripheral dimension，strength，durability and high speed performance all met the corresponding design and national standards |
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