介绍了VWWJ-19/7.8型无油润滑空气压缩机90°无基础的机械振动测试。根据测试数据,按照国家有关标准的规定,对该机器的机械振动性能进行了评价,同时对测试信号进行了频谱分析。分析结果可为该机型的进一步改进和完善提供必要的依据,也可为其它型式无基础空压机的研制提供有用的信息。 The VWWJ-19 / 7.8 oil-free air compressor 90 ° basic mechanical vibration test is introduced. According to the test data, according to the provisions of the relevant national standards, the mechanical vibration performance of the machine was evaluated, and the spectrum of the test signal was analyzed. The results of the analysis can provide the necessary basis for the further improvement and perfection of the model, as well as provide useful information for the development of other types of non-foundation air compressors.