| 周斌,李培湛.295/25R28超低断面轿车子午线轮胎的设计[J].轮胎工业,2020,40(7):0409-0412 |
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| 295/25R28超低断面轿车子午线轮胎的设计 |
| Design on 295/25R28 Ultra-low Section Passenger Car Radial Tire |
| 投稿时间：2020-05-06 修订日期：2020-05-06 |
| DOI：10.12135/j.issn.1006-8171.2020.07.0409 |
| 中文关键词: 轿车子午线轮胎 超低断面轮胎 结构设计 施工设计 成品性能 |
| 英文关键词: passenger car radial tire ultra-low section tire structure design construction design tire performance |
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| 中文摘要: |
| 介绍295/25R28超低断面轿车子午线轮胎的设计。结构设计：外直径 850 mm，断面宽 310 mm，行驶面宽度 260 mm，行驶面弧度高 8 mm，胎圈着合直径 714.8 mm，胎圈着合宽度 280 mm，断面水平轴位置（H1/H2） 0.989，采用运动型单导向仿生花纹设计，花纹深度 8.2 mm，花纹饱和度 61%，花纹周节数 32。施工设计：胎面采用三方四块结构，带束层采用2层3×0.30HT钢丝帘布，胎体采用2层1670dtex/2聚酯帘布，采用一次法成型机侧包冠成型，双模液压硫化机硫化。成品轮胎性能试验结果表明，轮胎的外观质量、充气外缘尺寸、强度性能、脱圈阻力、耐久性能和高速性能均符合相应的国家或企业标准要求。 |
| 英文摘要: |
| The design on 295/25R28 ultra-low section passenger car radial tire was described.In the structure design，the following parameters were taken：overall diameter?850 mm，cross-sectional width?310 mm，width of running surface 260 mm，arc height of running surface 8 mm，bead diameter at rim seat 714.8 mm，bead width at rim seat 280 mm，maximum width position of cross-section（H1/H2） 0.989，using bionic pattern with sports single guide design，pattern depth 8.2 mm，block/total ratio 61%，number of pattern pitches 32.In the construction design，the following processes were taken：using three-formula and four-piece tread，2 layers of 3×0.30HT steel cord for belt，2 layers of 1670dtex/2 polyester cord for carcass，using one-stage building machine side crowning molding to build tires，and double-mold hydraulic vulcanizing press to cure tires.The test results of finished tire showed that，the appearance quality，inflated peripheral dimension，strength，bead unseating resistance，durability and high-speed performance of tire met the requirements of corresponding national or enterprise standards. |
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