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| 4×0.225UT钢丝帘线在轿车轮胎带束层中的应用 |
| Application of 4×0.225UT Steel Cord in Belt of Passenger Car Tire |
| Received:July 18, 2022 Revised:July 18, 2022 |
| DOI：10.12135/j.issn.1006-8171.2023.05.0292 |
| 中文关键词: 钢丝帘线；轿车轮胎；带束层；轻量化；滚动阻力；成本 |
| 英文关键词: steel cord；passenger car tire；belt；lightweight；rolling resistance；cost |
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| 中文摘要: |
| 研究4×0.225UT钢丝帘线在轿车轮胎带束层中的应用。结果表明：与3×0.30HT钢丝帘线相比，4×0.225UT钢丝帘线的直径和线密度减小，可有效减小帘布压延厚度和帘布单位面积质量；以4×0.225UT钢丝帘线替代3×0.30HT钢丝帘线生产215/65R15C轮胎，其充气外缘尺寸、强度和脱圈阻力变化不大，高速和耐久性能满足研发要求，单胎质量减小3.9%，滚动阻力降低3.7%，轮胎生产成本显著降低。 |
| 英文摘要: |
| The application of 4×0.225UT steel cord in the belt of passenger car tire was studied.The results showed that compared with 3×0.30HT steel cord，the diameter and linear density of 4×0.225UT steel cord were decreased，which could effectively reduce the calendering thickness and the mass per unit area of cord fabric.The 215/65R15C tire was produced by 4×0.225UT steel cord instead of 3×0.30HT steel cord，the inflated peripheral dimensions，strength and bead unseating resistance of the tire changed little，the high-speed and durability performance met the requirements of research and development.The single tire mass was decreased by 3.9%，the rolling resistance was reduced by 3.7%，and the tire production cost was significantly reduced. |
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