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| 冠带层张力分段控制对轿车子午线轮胎性能的影响 |
| Influence of Sectional Control of Cap Ply Tension on Performance of Passenger Car Radial Tire |
| Received:August 09, 2021 Revised:August 09, 2021 |
| DOI：10.12135/j.issn.1006-8171.2022.03.0181 |
| 中文关键词: 轿车子午线轮胎；冠带层；张力；分段控制；轮胎性能 |
| 英文关键词: passenger car radial tire；cap ply；tension；sectional control；tire performance |
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| 中文摘要: |
| 研究冠带层张力分段控制对轿车子午线轮胎性能的影响。结果表明，肩部冠带层由3层减为2层且冠带层张力采取分段控制，轮胎的均匀性有明显提升，轮胎充气外缘尺寸、强度和脱圈阻力基本不变，高速性能、滚动阻力性能尤其是耐久性能提升明显，均达到国家标准要求，轮胎外观良好，生产成本稍有降低。 |
| 英文摘要: |
| The influence of sectional control of cap ply tension on the performance of passenger car radial tire was studied.The results showed that the cap ply was reduced from three layers to two layers at shoulder，and the tension of the cap ply was controlled by sections，the uniformity of the tire was significantly improved，the inflated peripheral dimension，strength and bead unseating resistance of the tire were basically unchanged，the high-speed performance，rolling resistance performance，especially durability were significantly improved，that all met the requirements of national standard，the appearance of the tire was good，and the production cost was slightly reduced. |
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