| 王建兵,蒋婷婷,阳晓岚,王胜学.7.00R16LT 14PR公路型全钢轻型载重子午线轮胎的开发[J].轮胎工业,2022,42(2):0078-0081 |
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| 7.00R16LT 14PR公路型全钢轻型载重子午线轮胎的开发 |
| Development of 7.00R16LT 14PR Highway Light Truck and Bus Radial Tire |
| 投稿时间：2021-04-02 修订日期：2021-04-12 |
| DOI：10.12135/j.issn.1006-8171.2022.02.0078 |
| 中文关键词: 公路型 轻型载重子午线轮胎 有限元分析 结构设计 施工设计 强度 耐久性能 高速性能 |
| 英文关键词: highway light truck and bus radial tire finite element analysis structural design construction design strength endurance performance high-speed performance |
| 基金项目: |
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| 中文摘要: |
| 介绍7.00R16LT 14PR公路型全钢轻型载重子午线轮胎的开发。结构设计：外直径 768 mm，断面宽 198 mm，行驶面宽度 148 mm，行驶面弧度高 4.8 mm，胎圈着合直径 404.1 mm，胎圈着合宽度 152 mm，断面水平轴位置（H1/H2） 0.990 7；采用有限元分析方法，通过调整轮胎外轮廓曲线解决冠部花纹异常磨损问题；花纹沟壁采用单边双层设计，花纹沟底采用偏心设计，可有效改善花纹沟夹石子问题。施工设计：胎体采用3×0.22/9×0.20CCHT钢丝帘线，带束层采用2层2＋7×0.30ST超高强度钢丝帘线，以提升轮胎的高速性能和承载性能；胎面配方优化设计后可提高轮胎的耐磨及抗刺扎性能。成品轮胎性能试验结果表明，成品轮胎充气外缘尺寸及强度、耐久和高速性能均符合设计要求。 |
| 英文摘要: |
| The design on 7.00R16LT 14PR highway light truck and bus radial tire was introduced.In the structure design，the following parameters were taken：overall diameter 768 mm，cross-sectional width 198 mm，width of running surface 148 mm，arc height of running surface 4.8 mm，bead diameter at rim seat 404.1 mm，bead width at rim seat 152 mm，maximum width position of cross-sectional（H1/H2） 0.990 7.The problem of abnormal wear of crown pattern was solved by adjusting the tire outer contour curve by using the finite element analysis method.The single-sided double-layer design was adopted for the groove wall and the eccentric design was adopted for the groove bottom，which could effectively improve the problem of stones in the groove.In the construction design，the following processes were taken：the carcass adopted 3×0.22/9×0.20CCHT steel cord，the belt adopted 2 layers 2＋7×0.30ST ultra-high tenacity steel cord to improve the high-speed performance and loading performance of the tire.The optimized tread formula could improve the wear resistance and puncture resistance of the tire.The test results of the finished tire showed that the inflated peripheral dimension，strength performance，endurance performance and high-speed performance met the requirements of design. |
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