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| 400/70－20 IND无内胎轮胎的设计 |
| Design on 400/70－20 IND Tubeless Tire |
| Received:September 16, 2017 Revised:September 16, 2017 |
| DOI：10.12135/j.issn.1006-8171.2019.01.0017 |
| 中文关键词: IND轮胎；无内胎轮胎；结构设计；施工设计 |
| 英文关键词: IND tire；tubeless tire；structure design；construction design |
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| 中文摘要: |
| 介绍400/70－20 IND无内胎轮胎的设计。结构设计：外直径 1 046 mm，断面宽 416 mm，行驶面宽度 366 mm，行驶面弧度高 18 mm，胎圈着合直径 510 mm，胎圈着合宽度 330 mm，断面水平轴位置（H1/H2） 0.90，采用横向有向花纹，花纹深度 32.5 mm，花纹饱和度 34.7%，花纹周节数 18。施工设计：胎面采用二方三块结构，缓冲层采用2层1400dtex/2V３锦纶6浸胶帘布，胎体采用6层1870dtex/2锦纶6浸胶帘布（4V1字＋2V2），采用胶囊反包成型机成型、蒸锅式双模液压硫化机硫化。成品性能试验结果表明，成品轮胎的外缘尺寸、物理性能和耐久性能达到ETRTO标准、国家标准和企业标准的要求。 |
| 英文摘要: |
| The design on 400/70－20 IND tubeless tire was described.In the structure design，the following parameters were taken：overall diameter 1 046 mm，cross-sectional width 416 mm，width of running surface 366 mm，arc height of running surface 18 mm，bead diameter at rim seat 510 mm，bead width at rim seat 330 mm，maximum width position of cross–section（H1/H2） 0.90，using transversely directed pattern，pattern depth 32.5 mm，block/total ratio 34.7%，and number of pattern pitches 18.In the construction design，the following processes were taken：using two-formula and three-piece tread，using 2 layers of 1400dtex/2V3 dipped nylon 6 cord for breaker ply，6 layers of 1870tex/2 dipped nylon 6 cord for carcass（4V1＋2V2字），using bladder ture-up building machine to build tires，and steamer-type double-mold hydraulic press to cure tires．It was confirmed by the finished tire test that，the inflated peripheral dimension，physical properties and endurance met the requirements of ETRTO standards，national standards and enterpise standards. |
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