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| 265/65R18越野型半钢子午线轮胎的设计 |
| Design of 265/65R18 Cross-country Steel-belted Radial Tire |
| Received:October 10, 2025 Revised:October 10, 2025 |
| DOI： |
| 中文关键词: 越野型轮胎；半钢子午线轮胎；结构设计；施工设计；成品轮胎性能 |
| 英文关键词: cross-country tire；steel-belted radial tire；structure design；construction design；finished tire performance |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | NI Xiaoyu* | Prinx Chengshan（Shandong） Tire Co.，Ltd | xyni@prinxchengshan.com | | CHE Mingming | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | ZHOU Xianwei | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | WANG Haiyan | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | WANG Zihao | Prinx Chengshan（Shandong） Tire Co.，Ltd | |
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| 中文摘要: |
| 介绍265/65R18越野型半钢子午线轮胎的设计。结构设计：外直径 799 mm，断面宽 274 mm，行驶面宽度 212 mm，行驶面弧度高 9.79 mm，胎圈着合直径 460.2 mm，胎圈着合宽度 228.6 mm，断面水平轴位置（H1/H2） 0.51，花纹深度 9 mm，花纹饱和度 60.8%，花纹周节数 28。施工设计：胎面胶采用耐磨、抗撕裂和抗切割胶料，胎体采用两层1440dtex/2聚酯帘布，带束层采用两层3×0.28ST钢丝帘线，钢丝圈采用Φ1.30 mm高伸长回火钢丝，采用一次法成型机成型、活络模模具和低温硫化工艺硫化。成品性能试验结果表明，轮胎的充气外缘尺寸、强度性能、脱圈阻力性能、耐久性能、高速性能、滚动阻力和接地印痕均符合国家标准及设计要求，越野性能和抗切割性能与竞品相当。 |
| 英文摘要: |
| The design of 265/65R18 cross-country steel-belted radial tire was introduced.In the structure design，the following parameters were taken：overall diameter 799 mm，cross-sectional width 274 mm，width of running surface 212 mm，arc height of running surface 9.79 mm，bead diameter at rim seat 460.2 mm，bead width at rim seat 228.6 mm，maximum width position of cross-section（H1/H2） 0.51，pattern depth 9 mm，block/total ratio 60.8% and number of pattern pitches 28.In the construction design，the following parameters were taken：using wear-resistant，tear-resistant and cut-resistant compound for tread compound，using two layers of 1440dtex/2 polyester cord fabric for carcass，using two layers of 3×0.28ST steel cord for belts，using Φ1.30 mm high tension tempered steel for wire ring，and using one-step building machine to build tires，segmented mold and low-temperature curing process to cure tires.The test results of the finished tire showed that the inflated perpheral dimension，strength，bead unseating resistance，durabilty，high-speed performance，rolling resistance and grounding footprint of the tire all met the requirements of national standards and design，the cross-country performance and cutting resistance were comparable to those of competing product. |
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