| 吕伟,张必辉,孙宗涛,罗哲,周君兰.11R22.5-C900全钢城市公交专用轮胎的设计[J].轮胎工业,2016,36(5):277-279 |
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| 11R22.5-C900全钢城市公交专用轮胎的设计 |
| Design on 11R22.5-C900 City Bus Radial Tire |
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| DOI： |
| 中文关键词: 全钢城市公交专用轮胎 结构设计 施工设计 |
| 英文关键词: city bus radial tire structure design construction design |
| 基金项目: |
| 中图分类号:U463.341+.3/.6；TQ336.1 |
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| 中文摘要: |
| 介绍11R22.5-C900全钢城市公交专用轮胎的设计。结构设计：外直径 1 059 mm，断面宽 274 mm，行驶面宽度 216 mm，行驶面弧度高 6 mm，胎圈着合直径 570 mm，胎圈着合宽度 223 mm，断面水平轴位置（H1/H2） 1.3，胎面采用纵向花纹沟设计，花纹深度 21 mm，花纹饱和度 75.2%，花纹周节数 54。施工设计：胎面采用双复合挤出机挤出，带束层采用4层带束层结构，1#带束层使用3×0.20＋6×0.35HT钢丝帘线，2#和##带束层采用3＋8×0.33HT钢丝帘线，4#带束层使用5×0.35HI钢丝帘线，胎体采用3×0.24/9×0.225＋1HT钢丝帘线，采用一次法成型机成型、双模定型硫化机硫化。成品性能试验结果表明，成品轮胎充气外缘尺寸和强度性能符合设计和国家标准要求，耐久性能和高速性能符合企业标准要求。 |
| 英文摘要: |
| The design on 11R22.5-C900 city bus radial tire was described.In structure design，the following parameters were taken：overall diameter 1 059 mm，cross-sectional width 274 mm，width of running surface 216 mm，arc height of running surface 6 mm，bead diameter at rim seat 570 mm，bead width at rim seat 223 mm，maximum width position of cross-section（H1/H2） 1.3，longitudinal pattern grooves with pattern depth 21 mm and block/total ratio 75.2%，total number of pitches 54.In construction design，the following processes were taken：co-extruded tread，3×0.20＋6×0.35HT steel cord for 1# belt，3＋8×0.33HT steel cord for 2#and 3# belt，5×0.35HI steel cord for 4# belt，3＋9×0.22＋0.15HT steel cord for carcass ply；using single stage building machine to build tire，and twin mold shaping and curing press to cure tire.The finished tire test results showed that，the inflated peripheral dimension and strength performance met the requirements of corresponding design and national standard，and the endurance and high speed performance met the requirements of enterprise standard. |
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