The paper studied the fault mechanism of the automotive engine timing chain as well as the worn surface morphology of the rubbing pair of bush and pin and roller based on the analysis of test.

• 为了提高国产正时链条的性能；研究了05BT-1汽车发动机正时链的磨损失效机理以及销轴、套筒和滚子等元件摩擦表面的磨损形貌特征.