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| 295/60R22.5低断面全钢载重子午线轮胎的设计 |
| Design of 295/60R22.5 Low Profile All-steel Truck and Bus Radial Tire |
| Received:July 06, 2023 Revised:July 08, 2023 |
| DOI：10.12135/j.issn.1006-8171.2024.05.0268 |
| 中文关键词: 全钢载重子午线轮胎；低断面；结构设计；施工设计；成品轮胎性能 |
| 英文关键词: truck and bus radial tire；low profile；structure design；construction design；finished tire peformanc |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | LI Yuanyuan* | Qingdao Double star Tire Co.，Ltd | liyuan_1@sohu.com.cn | | SUI Bin | Qingdao Double star Tire Co.，Ltd | | | GONG Jinrong | Qingdao Double star Tire Co.，Ltd | | | WANG Xiumei | Qingdao Double star Tire Co.，Ltd | | | ZHANG Yongguang | Qingdao Double star Tire Co.，Ltd | | | LIU Yan | Qingdao Double star Tire Co.，Ltd | | | HUANG Ruijiao | Qingdao Double star Tire Co.，Ltd | |
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| 中文摘要: |
| 介绍295/60R22.5低断面全钢载重子午线轮胎的设计。结构设计：外直径 922 mm，断面宽 294 mm，行驶面宽度 246 mm，行驶面弧度高 9.5 mm，胎圈着合宽度 248 mm，胎圈着合直径 569.5 mm，断面水平轴位置H1/H2 0.915 5，采用4条纵向花纹沟设计。施工设计：采用双复合挤出胎面，1#带束层采用4＋3×0.33ST钢丝帘线，2#和3#带束层采用3＋8×0.33HT钢丝帘线，4#带束层采用5×0.30HI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、热板硫化机硫化。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符合国家标准和设计要求。 |
| 英文摘要: |
| The design of 295/60R22.5 all-steel radial tire with low profile was introduced.In the structure design，the following parameters were taken：overall diameter 922 mm，cross-sectional width?294 mm，width of running surface 246 mm，arc height of running surface 9.5 mm，bead width at rim seat?248 mm，bead diameter at rim seat?569.5 mm，maximum width position of cross–section（H1/H2）?0.915 5，
using 4-longitudinal pattern grooves.In the construction design，the following processes were taken：using coextruded tread compound，4＋3×0.33ST steel cord for 1# belt，3＋8×0.33HT steel cord for 2# and 3# belts，5×0.30HI steel cord for 4# belt，3×0.24＋9×0.225CCST steel cord for carcass，using one-stage building machine to build tires and hot plate vulcanizing press to cure tires.The test results of the finished tire showed that，the inflated peripheral dimension，strength，durability and the high-speed performance met the requirements of national standards and design. |
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