The wear mechanism of the arc spring-finger is abrasive grain wear by the research of the abrasive wear resistance of the arc spring-finger and the analysis of the abrasive wear resistance of the arc spring-finger is carried by experiment.

• 3对弧形挑膜齿进行磨损性能的研究,得出弧形挑膜齿的磨损为磨粒磨损,并通过试验对弧形挑膜齿进行磨损性能的分析。