| 庄玉森,高卫东,程磊.IN445/50D710 20PR TL R-4高空作业车 特种充填轮胎的设计[J].轮胎工业,2021,(12):0737-0740 |
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| IN445/50D710 20PR TL R-4高空作业车 特种充填轮胎的设计 |
| Design on IN445/50D710 20PR TL R-4 Special Filling Tire for Boom Lift |
| 投稿时间：2021-06-04 修订日期：2021-06-15 |
| DOI： |
| 中文关键词: 特种轮胎 高空作业车 聚氨酯填充 结构设计 施工设计 成品性能 |
| 英文关键词: special tire boom lift polyurethane filling structural design construction design finished tire performance |
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| 中文摘要: |
| 介绍IN445/50D710 20PR R-4高空作业车特种充填轮胎的设计。参考相关规格，确定结构设计参数如下：外直径 1 160 mm，断面宽 429 mm，行驶面宽度 402 mm，行驶面弧度高 －5 mm，胎圈着合直径 711 mm，胎圈着合宽度 381 mm，断面水平轴位置（H1/H2） 0.804 7，胎面采用高通过性牵引花纹，花纹深度为25 mm，花纹周节数为19，花纹饱和度为75%，采用聚氨酯弹性体填充轮胎。施工设计：胎面采用两方三块结构，胎体帘布层和缓冲层分别采用6层1400dtex/3V1锦纶66帘布和4层930dtex/2V3锦纶66帘布，采用胶囊反包成型机成型、双模硫化机硫化。成品试验结果表明，成品轮胎的充气外缘尺寸符合设计要求，物理性能达到国家标准要求，实际装车性能良好。 |
| 英文摘要: |
| The design on IN445/50D710 20PR R-4 special filling tire for boom lift was introduced.Refer to the relevant specifications and determine the structure design parameters as follows：overall diameter 1 160 mm，cross-section width 429 mm，width of running surface 402 mm，arc height of running surface —5 mm，bead diameter at rim seat 711 mm，bead width at rim seat 381 mm，maximum width position of cross-section（H1/H2） 0.804 7，using a high-passability traction pattern，pattern depth 25 mm，number of pattern pitches 19，the block/total ratio 75%，and the tire was filled with polyurethane elastomer.In the construction design，the following processes were taken：using two-formula and three-piece tread，and the carcass ply and the buffer layer were respectively using 6 layers of 1400dtex/3V1 nylon 66 cords and 4 layers of 930dtex/2V3 nylon 66 cords，using turn-up bladder building machine to build tire，and double-mold curing press to cure tire.The test results of the finished tire showed that the inflated peripheral dimension met the design requirements，the physical properties met the national standard requirements, and the actual loading performance was good. |
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