【摘要】 分析讨论了超高速数控机床对主轴单元性能的要求．结合实际课题，对超高速数控机床的主轴单元典型结构———电主轴的设计进行了详细论述，为开发超高速数控机床主轴单元提供了必要理论依据和设计方法．更多还原

【Abstract】 This paper discussed the property requirement for the speed spindle unit of ultrahigh speed CNC machine tools,expounded a typical ultra-high speed spindle unit structure-motorized spindle.It provides some theories and experimental data for the development of the spindle unit of ultra-high speed CNC machine tools.更多还原