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| 7×（3＋9×0.30）＋0.20HT钢丝帘线在巨型工程机械子午线轮胎带束层中的应用 |
| Application of 7×（3＋9×0.30）＋0.20HT Steel Cord in Belt of Giant OTR Radial Tire |
| Received:August 04, 2021 Revised:August 04, 2021 |
| DOI：10.12135/j.issn.1006-8171.2022.07.0424 |
| 中文关键词: 钢丝帘线；巨型工程机械子午线轮胎；带束层；渗胶性能；生产成本 |
| 英文关键词: steel cord；giant OTR radial tire；belt；rubber permeability；production cost |
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| 中文摘要: |
| 研究7×（3＋9×0.30）＋0.20HT钢丝帘线在40.00R57巨型工程机械子午线轮胎带束层中的应用。结果表明：与7×（3＋9＋15×0.22）＋0.20HT钢丝帘线相比，7×（3＋9×0.30）＋0.20HT钢丝帘线的直径和压延帘布厚度较小，渗胶性能更好；成品轮胎的充气外缘尺寸和耐久性能相当，同时可降低生产成本。 |
| 英文摘要: |
| The application of 7×（3＋9×0.30）＋0.20HT steel cord in the belt of 40.00R57 giant OTR radial tire was studied.The results showed that compared with 7×（3＋9＋15×0.22）＋0.20HT steel cord，the diameter and calendered cord thickness of 7×（3＋9×0.30）＋0.20HT steel cord were smaller，the rubber permeability was better，the inflated peripheral dimension and durability of the finished tire were the same，and the production cost was reduced. |
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