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| 轻量化12R22.5无内胎全钢子午线轮胎的设计 |
| Design on Lightweight 12R22.5 Tubeless All-steel Radial Tire |
| Received:November 02, 2022 Revised:November 02, 2022 |
| DOI：10.12135/j.issn.1006-8171.2024.1.0015 |
| 中文关键词: 无内胎全钢子午线轮胎；轻量化；结构设计；施工设计；成品轮胎性能 |
| 英文关键词: tubeless all-steel radial tire；lightweight；structural design；construction design；finished tire performance |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | Wu Yujian* | Shandong Jinyu Tire Co.，Ltd Qingdao branch | qingdaowyj@163.com | | Song Mengmeng | Shandong Jinyu Tire Co.，Ltd Qingdao branch | | | Yang Wanlong | Shandong Jinyu Tire Co.，Ltd Qingdao branch | |
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| 中文摘要: |
| 介绍轻量化12R22.5无内胎全钢子午线轮胎的设计。结构设计：外直径 1 073 mm，断面宽 292 mm，行驶面宽度 215 mm，行驶面弧度高 5.5 mm，胎圈着合直径 569.5 mm，胎圈着合宽度 240 mm，断面水平轴位置（ H/1/H/2） 0.98，胎面采用4条S形花纹，花纹深度 15.5 mm，花纹饱和度 74.6%，花纹周节数 57。施工设计：采用双复合挤出胎面，采用3层带束层＋0°带束层结构，1# 和2# 带束层采用0.37＋6×0.32ST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3×0.24/9×0.225ST钢丝帘线，采用一次法胶囊成型机成型、蒸锅式硫化机硫化。成品性能试验结果表明，轮胎的充气外缘尺寸、强度性能和耐久性能均满足国家标准和设计要求。 |
| 英文摘要: |
| The design on lightweight 12R22.5 tubeless all-steel radial tire was described.In the structure design，the following parameters were taken：overall diameter 1 073 mm，cross-sectional width?292 mm，width of running surface 215 mm，arc height of running surface 5.5 mm，bead diameter at rim seat?569.5 mm，bead width at rim seat?240 mm，maximum width position of cross–section（H1/H2）?0.98，adopting 4 S-shaped patterns for tread，pattern depth?15.5 mm，block/total ratio?74.6%，and number of pattern pitches?57.In the construction design，the following processes were taken：using double composite extruded tread，using 3-layer belt＋0° belt structure，0.37＋6×0.32ST steel cord for 1# and 2# belt，5×0.30HI steel cord for 3# belt，3×7×0.20HE steel cord for 0° belt，and using 3×0.24/9×0.225ST steel cord for carcass，using a one-stage capsule molding machine to build tire and a steamer type vulcanizing press to curing tire.The results of finished tire performance test showed that，the inflated peripheral dimention，strength performance and durability met the requirements of corresponding national standards and design. |
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