| 高守波.215/75R14LT 116/114Q增强型轻型载重子午线轮胎的设计[J].轮胎工业,2014,34(11):663-666 |
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| 215/75R14LT 116/114Q增强型轻型载重子午线轮胎的设计 |
| Design of 215/75R14LT 116/114Q Enhanced Light Truck Radial Tire |
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| DOI： |
| 中文关键词: 轻型载重子午线轮胎 结构设计 施工设计 带束层 |
| 英文关键词: light truck radial tire structure design construction design belt |
| 基金项目: |
| 中图分类号:U463.341+.3 |
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| 摘要点击次数: 792 |
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| 中文摘要: |
| 介绍215/75R14LT 116/114Q增强型轻型载重子午线轮胎的设计。结构设计：外直径 678 mm，断面宽 219 mm，行驶面宽度 163 mm，行驶面弧度高 9 mm，胎圈着合直径 354 mm，胎圈着合宽度 170 mm，断面水平轴位置（H1/H2） 0.95，采用条形花纹设计，花纹深度 10.5 mm，花纹周节数 50，花纹饱和度 73%。施工设计：胎面采用三方四块结构，胎体采用2层1670dtex/3聚酯浸胶帘布，带束层分别采用2+2×0.30HT和2+7×0.25HT钢丝帘线；采用两次法成型机成型，双模定型硫化机硫化。成品性能试验结果表明，两种轮胎的成品性能均满足国家标准要求，与2+2×0.30HT钢丝帘线相比，采用2+7×0.25HT钢丝帘线的成品轮胎充气外缘尺寸、高速性能和横向刚性相近，强度性能和耐久性能较好，纵向刚性稍小。 |
| 英文摘要: |
| The design of 215/75R14LT 116/114Q enhanced light truck radial tire was described.In the structure design，the following parameters were taken：overall diameter 678 mm，cross－sectional width 219 mm，width of running surface 163 mm，height of running surface 9 mm，bead diameter at rim seat 354 mm，bead width at rim seat 170 mm，maximum width position of cross－section （H1/H2） 0.95，strip pattern，pattern depth 10.5 mm，total number of pitches 50，block/total ratio 73%.In the construction design，the following processes were taken：three－formula and four－piece extruded tread，2 layers of 1670dtex/3 polyester cord for carcass ply，2+2×0.30HT and 2+7×0.25HT steel cord for belt ply；using two－stage building machine to build tires，and using tire shaping and curing press to cure tires.It was confirmed by tests that the performance of the tire with either 2+2×0.30HT or 2+7×0.25HT steel cord in belt ply met the requirements of national standards.Compared with that of the tires with 2+2×0.30HT steel cord，the inflated peripheral dimension，high speed performance and transverse rigidity of the tires with 2+7×0.25HT belt steel cord were similar，but the strength performance and endurance performance were better，and the longitudinal rigidity was lower. |
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