| 郜宪杰,陈华,高科,郑闻运.电动汽车用115/70R16轿车子午线轮胎的设计[J].轮胎工业,2021,(11):0683-0687 |
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| 电动汽车用115/70R16轿车子午线轮胎的设计 |
| Design of 115/70R16 Passenger Car Radial Tire for Electric Vehicle |
| 投稿时间：2021-03-24 修订日期：2021-03-24 |
| DOI：10.12135/j.issn.1006-8171.2021.11.0683 |
| 中文关键词: 轿车子午线轮胎 电动汽车 结构设计 施工设计 成品性能 |
| 英文关键词: passenger car radial tire electric vehicle structure design construction design finished tire performance |
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| 中文摘要: |
| 介绍电动汽车用115/70R16轿车子午线轮胎的设计。结构设计：外直径 564 mm，断面宽 130 mm，行驶面宽度 92 mm，行驶面弧度高 4.0 mm，胎圈着合直径 404.3 mm，胎圈着合宽度 114 mm，断面水平轴位置（H/1/H/2） 0.971 6，胎面花纹采用5个节距排列形式，花纹深度 5.5 mm，花纹饱和度 71.48%，花纹周节数 62。施工设计：胎面采用三方四块结构，带束层采用2×0.30ST钢丝帘线，胎体采用高模量低收缩聚酯浸胶帘布，采用二次法成型机成型、轮胎定型硫化机硫化。成品性能试验结果表明，轮胎的充气外缘尺寸、强度性能、脱圈阻力、胎圈压力、耐久性能、低气压性能、高速性能均达到相应设计和标准要求，滚动阻力符合电动汽车企业的指标要求，刚性性能良好，静态接地压力分布均匀。 |
| 英文摘要: |
| The design on 115/70R16 passenger car radial tire for electric vehicle was described.In the structure design，the following parameters were taken：overall diameter?564 mm，cross-sectional width?130 mm，width of running surface 92 mm，arc height of running surface 4.0 mm，bead diameter at rim seat?404.3 mm，bead width at rim seat?114 mm，maximum width position of cross–section（H/1/H/2）?0.971 6，the tread pattern was arranged in five pitches form，pattern depth?5.5 mm，block/total ratio?71.48%，and number of pattern pitches?62.In the construction design，the following processes were taken：using three-formula and four-piece construction，2×0.30ST steel cord for belt，high modulus and low shrinkage polyester dipped cord for carcass，and using two stage building machine to build tire and tire shaping curing press to cure tire．It was confirmed by the finished tire test that，the inflated peripheral dimension，strength performance，bead unseating resistance，bead pressure，endurance performance，low pressure performance and high speed performance reached the requirements of design and corresponding standards，the rolling resistance met the requirements of electric vehicle enterprises，the rigidity was good，and the static grounding pressure distribution wass uniform. |
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