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| 11R24.5越野牵引型全钢载重子午线轮胎的设计 |
| Design on 11R24.5 Off-Road-Traction All-steel Truck and Bus Radial Tire |
| Received:January 05, 2024 Revised:January 05, 2024 |
| DOI：10.12135/j.issn.1006-8171.2024.09.0529 |
| 中文关键词: 越野牵引型轮胎；全钢载重子午线轮胎；结构设计；施工设计；成品轮胎性能 |
| 英文关键词: off-road-traction tire；all-steel truck and bus radial tire；structural design；construction design；finished tire performance |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | LYU Wei* | Prinx Chengshan (Shandong) Tire Co., LTD. | wlv@prinxchengshan.com | | SUN Zongtao | Prinx Chengshan (Shandong) Tire Co., LTD. | | | Qu Jiayu | Prinx Chengshan (Shandong) Tire Co., LTD. | | | JU Hao | Prinx Chengshan (Shandong) Tire Co., LTD. | | | CHE Mingming | Prinx Chengshan (Shandong) Tire Co., LTD. | |
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| 中文摘要: |
| 介绍11R24.5越野牵引型全钢载重子午线轮胎的设计。结构设计：外直径 111 2.8 mm，断面宽 280.7 mm，行驶面宽度 240 mm，行驶面弧度高 5.5 mm，胎圈着合直径 621.8 mm，胎圈着合宽度 223.6 mm，断面水平轴位置（ H/1/H/2） 0.928，胎面采用大花纹块设计和花纹沟底保护筋设计，花纹深度 26.5 mm，花纹饱和度 65.5%，花纹周节数 48。施工设计：胎面采用三复合挤出工艺，采用4层带束层结构，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5×0.35HI钢丝帘线，胎体采用3＋9＋15×0.22＋0.15钢丝帘线，采用三鼓一次法成型机成型、双模定型硫化机硫化。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符合相应测试标准和设计要求。 |
| 英文摘要: |
| The design on 11R24.5 off-road-traction all-steel truck and bus radial tire was described.In the structure design，the following parameters were taken：overall diameter 1 112.8 mm，cross-sectional width?280.7 mm，width of running surface 240 mm，arc height of running surface 5.5 mm，bead diameter at rim seat?621.8 mm，bead width at rim seat?223.6 mm，maximum width position of cross–section
（ H/1/H/2）?0.928，adopting a large pattern block design and a pattern groove bottom protective rib design for tread，pattern depth?26.5 mm，block/total ratio?65.5%，and number of pattern pitches?48.In the construction design，the following processes were taken：using a three-extrusion process to form tread，using 4-layer belts structure，4＋3×0.33ST steel cord for 1# belt，3＋8×0.33HT steel cord for 2# and 3# belt，5×0.35HI steel cord for 4# belt，using 3＋9＋15×0.22＋0.15 steel cord for carcass，using a three-drum one-stage building machine to build tires and a Dual mold shaping vulcanizing press for cure tires.The results of the finished tire performance test showed that，the inflated peripheral dimention，strength and durability met the corresponding testing standards and design requirements. |
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