中文摘要：

针对数控机床主轴高速运转下回转精度劣化的问题,采用全息谱理论分析主轴的振动特征;使用主轴回转误差分析仪采集主轴在多转速下的位移信号并且得到回转误差值;基于Labview平台开发三维全息谱分析程序,分析在各转速下主轴的振动状态,找出主轴随着转速增高回转精度产生劣化的原因。

英文摘要：

The rotation accuracy of the spindle of the numerical control machine tool decreases when it operates with a high speed. Holospectrum theory is employed to analyze the vibrating features of the spindle. The Spindle Error Analyzer is used to collect the displacement signals when the spindle works at a high rate. What ＇s more,the 3- D holospectrum analysis program is applied,which is supported by the Labview,to record different working status of the spindle at different speeds. Finally,the reason why the rotation accuracy decreased as the rates go up is found out.