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| 20.5/70－16工程机械斜交轮胎的设计 |
| Design on 20.5/70－16 Off-The-Road Bias Tire |
| Received:November 22, 2021 Revised:November 22, 2021 |
| DOI：10.12137/j.issn.2095-5448.2022.08.0403 |
| 中文关键词: 工程机械斜交轮胎 结构设计 施工设计 物理性能 耐久性能 |
| 英文关键词: off-the-road bias tire structure design construction design physical property durability |
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| 中文摘要: |
| 介绍20.5/70－16工程机械斜交轮胎的设计。结构设计：外直径 896 mm，断面宽 310 mm，行驶面宽度 300 mm，行驶面弧度高 9 mm，胎圈着合直径 406 mm，胎圈着合宽度 260 mm，断面水平轴位置（H/1/H/2） 0.914，胎面采用L-3块状花纹，花纹深度 17 mm，花纹饱和度 67%，花纹周节数 24。施工设计：胎面采用冷贴方式，胎体采用高强度2100dtex/2锦纶6帘布；缓冲层采用1400dtex/2锦纶6帘布，采用3#成型机成型、双模蒸锅式硫化机硫化。成品轮胎性能试验结果表明，轮胎的充气外缘尺寸、物理性能和耐久性能均达到相应国家标准和企业标准要求。 |
| 英文摘要: |
| The design on 20.5/70－16 off-the-road bias tire was described.In the structure design，the following parameters were taken：overall diameter?896 mm，cross-sectional width?310 mm，width of running surface 300 mm，arc height of running surface 9 mm，bead diameter at rim seat?406 mm，bead width at rim seat?260 mm，maximum width position of cross–section（H/1/H/2）?0.914，using L-3 block pattern for tread，pattern depth?17 mm，block/total ratio?67%，and number of pattern pitches?24.In the construction design，the following processes were taken：cold stick for tread，2100dtex/2 nylon cord for carcass，1400dtex/2 nylon cord for breaker，using 3# building machine to build tire and double mold steamer vulcanizing machine to cure tire.It was confirmed by the finished tire test that，the inflated peripheral dimension，physical properties and durability met the requirements of national and enterprise standard. |
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