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| 385/55R19.5 20PR低断面宽基无内胎全钢载重 子午线轮胎的设计 |
| Design on 385/55R19.5 20PR Low Profile Wide Base Tubeless Truck and Bus Radial Tire |
| Received:September 10, 2018 Revised:September 10, 2018 |
| DOI：10.12135/j.issn.1006-8171.2019.08.0467 |
| 中文关键词: 全钢载重子午线轮胎；结构设计；施工设计 |
| 英文关键词: truck and bus radial tire；structure design；construction design |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | luqiang* | Triangle tire Co.,Ltd | luqiang@triangle.com.cn | | wuyujian | Triangle tire Co.,Ltd | | | sunbaoyu | Triangle tire Co.,Ltd | | | zhangshixin | Triangle tire Co.,Ltd | |
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| 中文摘要: |
| 介绍385/55R19.5 20PR低断面宽基无内胎全钢载重子午线轮胎的设计。结构设计：外直径 915 mm，断面宽 390 mm，行驶面宽度 320 mm，行驶面弧度高 12 mm，胎圈着合直径 493.5 mm，胎圈着合宽度 324 mm，断面水平轴位置（H1/H2） 1.021 8，采用4条纵向花纹沟，花纹深度 14 mm，花纹周节数 53，花纹饱和度 87.3%。施工设计：胎体采用3＋9＋15×0.175＋0.15钢丝帘线，1 #—3 #带束层采用3×0.20＋6×0.35HT钢丝帘线，4 #带束层采用5×0.30HI钢丝帘线，0°带束层采用3×7×0.20HE钢丝帘线；采用三鼓成型机成型、热板式双模硫化机硫化。成品轮胎性能试验结果表明，成品轮胎的充气外缘尺寸、强度性能和耐久性能均符合相应的设计和国家标准要求，胎圈耐久性能符合企业标准要求。 |
| 英文摘要: |
| The design on 385/55R19.5 20PR low profile wide base tubeless truck and bus radial tire was described.In the structure design，the following parameters were taken：overall diameter 915 mm，cross-sectional width 390 mm，width of running surface 320 mm，arc height of running surface 12 mm，bead diameter at rim seat 493.5 mm，bead width at rim seat 324 mm，maximun width position of cross-section （H1/H2） 1.021 8，using 4 longitudinal grooves tread pattern，pattern depth 14 mm，number of pattern pitches 53，and block/total ratio 87.3%.In the construction design，the following processes were taken：3＋9＋15×0.175＋0.15 steel cord for carcass，3×0.20＋6×0.35HT steel cord for 1 #—3 # belts，5×0.30HI steel cord for 4# belt，3×7×0.20HE steel cord for 0° belt，and using three drum building machine to build tire and hot plate double mold curing press to cure tire.It was confirmed by the tests of the finished tire that，the inflated peripheral dimension，strength performance and endurance performance met the requirements of corresponding design and national standards，and the bead endurance performance met the requirements of enterprise standards. |
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