一、概述磨料磨损是履带行走机构易损件失效的主要原因之一。对其进行磨料磨损试验及研究,在国内外已引起了普遍的重视。由于履带行走机构中各零部件长期处在土壤、砂、石、泥水介质中,工作条件十分恶劣,故影响其磨损的因素错综复杂。因此,找出这类零件在外在条 I. Overview Abrasive wear is one of the main reasons for the failure of wearing parts of crawlers. Abrasive wear tests and studies have attracted widespread attention at home and abroad. Because the components of the track running mechanism are in the medium of soil, sand, stone, mud and water for a long time, the working conditions are very bad, so the factors influencing the wear are complicated. So, find out what kind of parts are in the external bar