| 孙佳佳,孙宝余,鲁强.215/70R17.5全钢载重子午线轮胎胎冠性能优化[J].轮胎工业,2023,43(5):0275-0278 |
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| 215/70R17.5全钢载重子午线轮胎胎冠性能优化 |
| Optimization on Crown Performance of 215/70R17.5 Truck and Bus Radial Tire |
| 投稿时间：2022-06-27 修订日期：2022-07-11 |
| DOI：10.12135/j.issn.1006-8171.2023.05.0275 |
| 中文关键词: 全钢载重子午线轮胎 胎冠性能 材料分布 内轮廓设计 成品轮胎性能 |
| 英文关键词: truck and bus radial truck tire crown performance material distribution internal contour design finished tire performance |
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| 中文摘要: |
| 以215/70R17.5全钢载重子午线轮胎为研究对象，通过内轮廓调整和带束层结构优化，探讨内轮廓设计及材料分布优化对轮胎性能的影响。结果表明，通过以减小胎肩及肩下厚度为设计目标的内轮廓和材料分布优化及带束层结构由3层调整为3层＋1层0°带束层，轮胎强度提升26%，胎冠部位整体的充气膨胀量和负荷下轮胎下沉量减小，轮廓的径向稳定性提升，轮胎耐久性能大幅提升，滚动阻力系数减小。 |
| 英文摘要: |
| Taking 215/70R17.5 truck and bus radial truck tire as the research object，the effects of inner contour design and material distribution optimization on tire performance were discussed through inner contour adjustment and belt structure optimization.The results showed that through the optimization of the inner contour and material distribution with the design goal of reducing the thickness of the shoulder and under the shoulder，and the adjustment of the belt structure from 3 layers to 3 layers＋1 layer of 0 ° belt，the strength of tire was increased by 26%，the overall inflation expansion of the crown and the tire deformation under load were reduced，the radial stability of the contour was improved，the durability of tire was greatly improved，and the rolling resistance coefficient was reduced. |
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