中文摘要：

针对数控机床振动信号的振动机理和振动特点，结合故障诊断技术和模态分析技术，以LabVIEW软件为平台，开发了一套向导式振动故障诊断系统。该系统可以实现8通道高速数据采集、数据分析、数据保存，数据回放、模态分析和故障诊断功能，详细的介绍了软件设计流程和关键部分设计思路，给出了部分前面板设计图。并对某公司生产的数控机床进行了振动信号采集、模态测试和故障分析，试验证明，软件的各项功能很好地满足了振动监测、模态测试和故障诊断的要求，进而验证了该软件系统的可靠性和实用性。

英文摘要：

Based on the software of Lab VIEW, a set of guide type of vibration fault diagnosis system is developed, in view of the vibration of numerical control machine signal mechanism and features, combined with the technology of fault diagnosis and modal analysis. The system can achieve 8 channel high speed data acquisition, data analysis, data storage, data playback, modal analysis and fault diagnosis functiorL Design process and the key part of the design thought of the software are detailed introduced, and the part of front panel design is given. The vibration signals of the numerical control machin are acquired,and the fault analysis and modal analysis of them are also carried oua Practices prove that various functions of the software satisfy the requirements of condition monitoring and fault diagnosis and verify that the software system is reliable and useful.