分析传统数控设备故障诊断系统所存在的问题,将ARM嵌入式系统引入传统数控设备故障诊断领域,开发设计出一个集数据采集,信号处理,故障诊断和网路通讯等功能于一体的在线故障诊断仪,从而提高了现场诊断的能力,简化了传统诊断系统的结构,改善了系统的稳定性。 This paper analyzes the problems existing in the fault diagnosis system of traditional numerical control equipment, introduces ARM embedded system into the field of fault diagnosis of traditional numerical control equipment, and develops and designs an online fault diagnosis system integrating data acquisition, signal processing, fault diagnosis and network communication Instrument, thereby improving the ability to diagnose the scene, simplifying the structure of the traditional diagnostic system and improve the stability of the system.