【摘要】 对采煤机截齿的服役工况进行了分析，特别是对截齿磨粒磨损机理进行了探讨。分析表明：引起截齿的磨粒磨损的原因有三个方面，即形成显微切屑、变形屑和物性碎屑。更多还原

【Abstract】 Coal-cutting machine’s pick work condition is analyzed. and especially. the grinding wear machanism of the pick is explored in the paper. Analysis is showed that the causes,which cause the pick to be weared. have three points: microchip. deformed chip and fragile powder更多还原