车轮轮胎总成的路障冲击试验

轮毂的性能直接影响汽车的行驶安全和乘客的人身安全，车轮轮胎总成的路障冲击试验对轮毂的性能有了更高的要求。文章通过从SAEJ1981标准的总体要求、试验范围及冲击方式等方面的介绍提供了引导开发新的车轮轮胎总成路障冲击试验的背景信息，表明SAEJ1981标准能公正地评估车轮和轮胎总成的路障冲击试验，指出国内在车轮新品验证过程和周期性试验中也应增加该冲击试验项目，以充分保障产品的安全性。

Road Obstruction Impact Test for Wheel and Tire Assembly

The performance of wheel hub directly influences driving safety and passengers＇ safety. The road obstruction impact test for wheel and tire assembly requires more requirements to wheel hub performance. From the introduction of SAE J 1981 such as general requirements, test scope and impact mode, the background information of new wheel and tire assembly road obstruction impact test is provided. It is indicated that SAE J1981 can evaluate wheel and tire assembly road obstruction impact test fairly. It is pointed out that in the wheel new product validation and periodic test in domestic this impact test should be added to ensure the vehicles security.