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| 4＋3×0. 33ST超高强度钢丝帘线在全钢载重子午线轮胎带束层中的应用 |
| Application of 4＋3×0. 33ST Super-high Tencity Steel Cord in Belt of Truck and Bus Radial Tire |
| Received:August 22, 2022 Revised:August 22, 2022 |
| DOI：10.12135/j.issn.1006-8171.2023.09.0553 |
| 中文关键词: 全钢载重子午线轮胎；钢丝帘线；带束层；耐久性能 |
| 英文关键词: truck and bus radial tire；steel cord；belt；durability |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | shaoxianxing* | a | m18963265346@163.com | | zhengbin | a | | | yangli | a | | | zhengmaosen | a | | | sunkai | a | | | wangming | a | |
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| 中文摘要: |
| 研究4＋3×0. 33ST钢丝帘线替代2＋7×0. 30ST钢丝帘线在全钢载重子午线轮胎带束层中的应用。结果表
明：与2＋7×0. 30ST钢丝帘线相比，4＋3×0. 33ST钢丝帘线单丝直径大，刚度高，可增强轮胎冠部刚性，减少不规则磨
损；采用4＋3×0. 33ST钢丝帘线生产的成品轮胎的外缘尺寸和强度性能均符合国家标准要求，耐久性能更优，轮胎使用
寿命延长，同时由于帘布厚度减小，胶料质量减小，生产成本降低。 |
| 英文摘要: |
| The application of 4＋3×0. 33ST steel cord instead of 2＋7×0. 30ST steel cord in the belt
of truck and bus radial tire was studied. The results showed that，compared with 2＋7×0. 30ST steel cord，
4＋3×0. 33ST steel cord had large monofilament diameter and high rigidity，which could enhance the rigidity
of tire crown and reduce irregular wear. The inflated peripheral dimension and strength performance of the
finished tire using 4＋3×0. 33ST steel cord met the requirements of national standards，the durability were
improved，the service life was prolonged. At the same time，due to the reduction of cord fabric thickness，the
weight of compound was reduced，and the production cost was reduced. |
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