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| 3＋9＋15×0.20ST钢丝帘线在矿用全钢载重子午线轮胎带束层中的应用 |
| Application of 3＋9＋15×0.20ST Steel Cord in Belt of Truck and Bus Radial Tire for Mining |
| Received:July 01, 2022 Revised:July 01, 2022 |
| DOI：10.12135/j.issn.1006-8171.2023.06.0362 |
| 中文关键词: 矿用全钢载重子午线轮胎；钢丝帘线；刚性；带束层；成品轮胎性能 |
| 英文关键词: truck and bus radial tire for mining；steel cord；stiffness；belt；finished tire performance |
| 基金项目: |
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| 中文摘要: |
| 研究3＋9＋15×0.20ST钢丝帘线在矿用全钢载重子午线轮胎带束层中的应用。结果表明：与3＋9＋15×0.225HT钢丝帘线相比，3＋9＋15×0.20ST钢丝帘线的线密度减小20%，直径减小11%；通过调整压延帘布的密度，3＋9＋15×0.20ST钢丝帘布强度提高10%，其成品轮胎的充气外缘尺寸满足国家标准要求，强度和耐久性能均有提升且达到国家标准要求，实际使用肩空损坏率下降。 |
| 英文摘要: |
| The application of 3＋9＋15×0.20ST steel cord in the belt of truck and bus radial tire for mining was studied.The results showed that compared with 3＋9＋15×0.225HT steel cord，the linear density
of 3＋9＋15×0.20ST steel cord was reduced by 20%，the diameter was reduced by 11%.By adjusting the density of calendered fabric，the strength of 3＋9＋15×0.20ST steel cord fabric was improved by 10%.The inflated peripheral dimension of the finished tire with 3＋9＋15×0.20ST steel cord met the requirements of national standard，the strength and durability were improved and met the requirements of national standard，and the shoulder separation rate in actual use was reduced. |
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