| 张浩,尹海山,张惠康,徐家明,倪力静.12R22.5 18PR无内胎全钢载重子午线轮胎压力分布测试及磨耗改进[J].轮胎工业,2013,33(9):533-539 |
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| 12R22.5 18PR无内胎全钢载重子午线轮胎压力分布测试及磨耗改进 |
| Pressure Measurement and Abrasion Resistance Improvement of 12R22.5 18PR Tubeless Truck and Bus Radial Tire |
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| DOI： |
| 中文关键词: 全钢载重子午线轮胎 无内胎轮胎 耐磨性能 接地压力分布 有限元分析 结构设计 |
| 英文关键词: truck and bus radial tire tubeless tire abrasion resistance contact pressure distribution FEA structure design |
| 基金项目: |
| 中图分类号:U463.341＋.3/.6 |
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| 中文摘要: |
| 通过对12R22.5 18PR无内胎全钢载重子午线轮胎进行外缘尺寸、五项刚性(径向刚性、横向刚性、纵向刚性、扭转刚性和包络刚性)、接地印痕和接地压力进行测试以及对接地压力分布进行有限元分析，对轮胎结构进行优化以提高耐磨性能。结果表明，与原设计轮胎相比，优化轮胎的接地印痕形状更接近矩形，接地印痕长轴略有缩短、接地印痕面积增大7.75%，压力分布不均匀度减小；装车路试优化轮胎的耐磨性能提高20%。 |
| 英文摘要: |
| The structure design of 12R22.5 18PR tubeless truck and bus radial tire was optimized aiming to improve the abrasion resistance.Firstly,the overall diameter,the stiffness including radial stiffness,lateral stiffness,longitudinal stiffness,torsional stiffness and envelope stiffness,the footprint and contact pressure were measured,and the contact pressure distribution was simulated and analyzed by FEA.Then the structure design was optimized based on the test results and analysis.The results showed that,compared to the original tire,the optimized tire's footprint more closely resembled a rectangle,the long axis of footprint was reduced slightly,the total area of footprint increased 7.75%,and the unevenness of contact pressure distribution was reduced.The road test showed that the abrasion resistance of the optimized tire increased by 20% compared to the original tire. |
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