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| 12.00-20 20PR工程机械轮胎的设计 |
| Design of 12.00-20 20PR Off-The-Road Tire |
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| DOI： |
| 中文关键词: 工程机械轮胎；结构设计；施工设计 |
| 英文关键词: off-the-road tire;structure design;construction design |
| 基金项目: |
| 中图分类号:U463.341＋.5/.6；TQ336.1 |
| Author Name | Affiliation | | ZHANG Chunlin | Qingdao University of Science and Technology；Xuzhou Xulun Rubber Co.,Ltd |
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| 中文摘要: |
| 介绍12.00-20 20PR工程机械轮胎的设计。结构设计：外直径 1 156 mm，断面宽 274 mm，行驶面宽度 246.5 mm，行驶面弧度高 21.5 mm，胎圈着合直径 509 mm，胎圈着合宽度 216 mm，断面水平轴位置(H1/H2) 0.875，采用越野花纹，花纹深度 22.5 mm,花纹饱和度 63.3%，花纹周节数 28。施工设计：胎面由胎面胶、胎肩胶和胎侧胶组成，缓冲层采用2层930dtex/2V3锦纶6浸胶帘布,胎体采用14层1400dtex/3锦纶6浸胶帘布(8V1+6V2)，钢丝圈采用Φ1.0 mm的回火胎圈钢丝，采用LCX-3型成型机成型、B型硫化机硫化。成品性能试验结果表明，轮胎的外缘尺寸和物理性能符合相应设计和国家标准要求。 |
| 英文摘要: |
| The design of 12.00-20 20PR off-the-road tire was described.In the structure design,the following parameters were taken:overall diameter 1 156 mm,cross-sectional width 274 mm,width of running surface 246.5 mm,height of running surface 21.5 mm，bead diameter at rim seat 509 mm,bead width at rim seat 216 mm,maximum width position of cross-section(H1/H2) 0.875,cross country tread pattern,pattern depth 22.5 mm,block/total ratio 63.3%，and total number of pitches 28.In the construction design,the tread was composed of tread compound,shoulder compound and sidewall compound.2 layers of 930dtex/2V3 dipped nylon 6 cord were used in breaker ply,14 layers of 1400dtex/3 dipped nylon 6 cord were for carcass ply(8V1+6V2)，and Φ1.0 mm copper plated tempered bead wire was applied in the tire bead.The tire was built using LCX-3 building machine and cured using type B press.It was confirmed by the tests of the finished tire that the peripheral dimension and physical properties met the requirements of design and national standard. |
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