一、引言凿岩机的主要易损件几乎全部是摩擦副零件,经过历年来的基础件攻关,在零件的强度、强韧性、抗疲劳性等方面都已有了较大的提高,但就其抗摩擦磨损性能而言,应认为仍没有显著突破。人们总是有一种常见,认为磨损属于正常失效,不认为控制磨擦是需要解决的重大问题,不去追求摩擦副零件如何耐磨、减磨或免磨。 I. INTRODUCTION The main wearing parts of rock drills are almost all friction parts. After years of basic work, they have greatly improved their strength, toughness and fatigue resistance. However, In terms of friction and wear properties, no significant breakthrough should be considered. People always have a common belief that wear belongs to the normal failure, do not think that the control of friction is a major issue to be solved, not to pursue how to wear friction wear parts, grinding or wear-free.