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| 国内外9.00R20 14PR轮胎对比试验 |
| Comparison test of different 9.00R20 14PR tires |
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| DOI： |
| 中文关键词: 子午线轮胎；强度；耐久性；高速性能 |
| 英文关键词: radial tire；plunger energy；endurance；speed performance |
| 基金项目: |
| 中图分类号:TQ336.1+1 |
| Author Name | Affiliation | | MA Liangqing | National Rubber Tire Quality Supervision and Inspection Centre | | LU Jinyan | National Rubber Tire Quality Supervision and Inspection Centre |
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| 中文摘要: |
| 对3个国外品牌和5个国内品牌的9.00R20 14PR轮胎进行强度、耐久性和高速性能对比试验。结果表明，9.00R20 14PR轮胎的3项试验结果均达到相应的国家标准及技术规范要求，国产9.00R20 14PR的强度值居中且数值相近；耐久性能超过国家标准规定的47 h，全部达到70 h 以上；高速性能通过100 km·h-1行驶2 h检验。 |
| 英文摘要: |
| A comparison test for plunger energy，endurance and speed performance of 3 imported brands and 5 domestic brands of 9.00R20 14PR tires was made. The results showed that the above 3 performances of all brands of tires met the requirements specified in the corresponding national standards and specifications；the plunger energy values of domestic brands were intermediate，and closer to each other；the endurance of all brands reached over 70 h exceeding 47 h specified in national standard；and all brands passed the speed test at 100 km·h-1 for 2 h. |
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