But until now, the abrasion is still examined using simple mechanical tools such as measuring templet the end of which is that we cannot get an exact result of the abrasion.

• 为了改变这种现状,近年来有多家科研单位对承载鞍磨耗自动检测方法进行研究,并先后研制出数种基于机械结构的承载鞍检测装置,但普遍存在着检测效果不理想、检测装置造价昂贵等问题,最终未能投入段修应用。