数控机床的工件加工精度高、生产效率高,使其越来越多的应用到机械零部件生产加工与制造过程中;但是其故障维护要求水平也高,使得数控机床故障的有效诊断就成为一个极具研究价值的课题。笔者结合丰富的数控机床维护工作经验,专门就数控机床的机械故障诊断问题进行了深入探讨;以期对提高数控机床的故障维护效率和效果,保障数控机床的稳定、可靠运行有所帮助。 Numerical control machine tool workpiece machining accuracy, high production efficiency, making it more and more used in mechanical parts manufacturing process and manufacturing process; However, the level of fault maintenance is also high, making the effective diagnosis of CNC machine tool failure to become a Very research value of the subject. The author combined with rich experience in maintenance of CNC machine tools, in-depth discussion on the mechanical fault diagnosis of CNC machine tools; with a view to improve the efficiency and effectiveness of CNC machine maintenance failure to ensure the stable and reliable operation of CNC machine tools.