| 59/80R63全钢巨型工程机械子午线轮胎的设计 |
| Design of 59/80R63 All-steel Giant Off-The-Road Radial Tire |
| 投稿时间：2024-11-30 修订日期：2024-11-30 |
| DOI：10.12136/j.issn.1000-890X.2025.12.0936 |
| 中文关键词: 全钢巨型工程机械子午线轮胎 结构设计 施工设计 耐久性能 |
| 英文关键词: all-steel giant off-the-road radial tire structure design construction design durability |
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| 中文摘要: |
| 介绍59/80R63巨型全钢工程机械子午线轮胎的设计。结构设计：外直径 4 022 mm，断面宽度 1 451 mm，行驶面宽度 1 304 mm，行驶面弧度高 98 mm，胎圈着合直径 1 595.4 mm，胎圈着合宽度 1 117.6 mm，断面水平轴位置（H1/H2） 0.97，胎面采用纵向和横向花纹沟设计，花纹深度 116 mm，花纹周节数 42，花纹饱和度 75.1%。施工设计：胎面成型采用复合缠绕工艺，带束层采用6层带束层结构，1#和2#带束层采用7×（3＋9×0.30）＋0.20HT钢丝帘线，3#和4#带束层采用7×（3＋9＋15×0.245）＋0.245HT钢丝帘线，5#和6#带束层采用4×6×0.25HE钢丝帘线，胎体采用7×（3＋9＋15×0.245）＋0.245HT钢丝帘线，胎坯采用五鼓二次法成型机成型。成品轮胎的性能试验结果表明，轮胎的充气外缘尺寸、X射线检测结果和耐久性能均符合设计和国家标准要求，路试时间超过5 000 h，具备量产条件。 |
| 英文摘要: |
| The design of 59/80R63 all-steel giant off-the-road radial tire was described.In the structure design，the following parameters were taken：overall diameter 4 022 mm，cross sectional width 1 451 mm，width of running surface 1 304 mm，arc height of running surface 98 mm，bead diameter at rim seat
1 595.4 mm，bead width at rim seat 1 117.6 mm，maximum width position of cross–section（H1/H2） 0.97，the tread using a longitudinal and transverse pattern design，pattern depth 116 mm，number of pattern pitches 42，block/total ratio 75.1%.In the construction design，the following processes were taken：the tread forming adopting composite winding process，the belt using a six-layer belt structure，1# and 2# belt using 7×（3＋9×0.30）＋0.20HT steel cord，3# and 4# belt using 7×（3＋9＋15×0.245）＋0.245HT steel cord，5# and 6# belts using 4×6×0.25HE steel cord，the carcass using 7×（3＋9＋15×0.245）＋0.245HT steel cord，the green tire building using five drum secondary molding machine.The performance test results of the finished tire showed that，the inflated peripheral dimention，X-ray inspection results and durability of the tire met the design and national standard requirements，the road test time had accumulated over 5000 h， and the mass production conditions were met. |
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