Spindle is a key unit of the high-speedmachinetool, while the interference fit between spindle and motor rotor is one of the most important factors influencing the performance of the spindle unit.
主轴是高速机床的核心部件，机床主轴与电机转子间过盈配合特性是影响主轴性能的重要因素。
2
Especially the numerical control machinetool has a great influence on the dynamic balance of the tool in highspeed machining.
特别是数控机床在高速加工时工具的动平衡性所产生影响很大。
3
In addition to high demand on tools, the high-speed, -efficiency and -accuracy nc machinetool also has high requirement on tool clamping system.