随着现代化大机械施工的普及和广泛使用，如何发挥其优势提高机械利用率，预防机械事故的发生和延长机械使用寿命，就成为当今维修行业研究的重要课题。近几年来，石家庄铁道学院油样分析室利用油液光谱分析技术对机械磨损故障进行了大量的实验研究，对中国铁道建筑总公司等五 With the popularization and extensive use of large-scale modern machinery construction, how to exert its advantages to improve the utilization of machinery, prevent the occurrence of mechanical accidents and extend the service life of machinery has become an important subject in the current research of the maintenance industry. In recent years, Shijiazhuang Railway Institute oil sample analysis room using oil spectral analysis of mechanical wear and failure of a large number of experimental studies on China Railway Construction Corporation and other five