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| 250-15 20PR低断面工业车辆轮胎的设计 |
| Design of 250-15 20PR low profile industry vehicle tire |
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| DOI： |
| 中文关键词: 工业车辆轮胎；低断面；结构设计；施工设计 |
| 英文关键词: industry vehicle tire；low profile；structure design；construction design |
| 基金项目: |
| 中图分类号:U463.341+.59 |
| Author Name | Affiliation | | HAN Shuping | Weihai Zhongwei Rubber Co.，Ltd | | GAO Weidong | Weihai Zhongwei Rubber Co.，Ltd | | ZHUANG Yusen | Weihai Zhongwei Rubber Co.，Ltd | | MA Tao | Weihai Zhongwei Rubber Co.，Ltd |
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| 中文摘要: |
| 介绍250-15 20PR低断面工业车辆轮胎的设计情况。结构设计：外直径 725 mm，断面宽 246 mm，行驶面宽度 208 mm，胎圈着合直径 385 mm，胎圈着合宽度 190.5 mm，断面水平轴位置 0.858 6，花纹深度 32 mm；施工设计：胎面采用二方四块结构，胎体和缓冲层帘布分别采用10层1400dtex/3V1锦纶6帘布和2层930dtex/2V3锦纶6帘布，胎圈采用双钢丝圈结构，采用半芯轮式Φ490 mm成型机头成型，双模定型硫化机硫化。成品轮胎性能试验结果表明，轮胎充气外缘尺寸和物理性能达到设计和国家标准要求。 |
| 英文摘要: |
| The design of 250-15 20PR low profile industry vehicle tire was described.In structure design，the following parameters were taken：overall diameter 725 mm，cross-sectional width 246 mm，width of running surface 208 mm，bead diameter at rim seat 385 mm，bead width at rim seat 190.5 mm，cross-sectional level ratio 0.858 6，pattern depth 32 mm；in construction design，the following processes were taken：two-formula and four-piece extruded tread，10 layers 1400dtex/3V1 nylon 6 cord for carcass ply，2 layers 930dtex/2V3 nylon 6 cord for breaker ply，two bead wire rings for bead structure，using the semi core drum with a diameter of 490 mm to build tires，and using the double-mold tire molding vulcanizer to cure tires.It was confirmed by the test of finished tires that the overall dimension and physical properties met the requirements of design and national standard. |
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