1、 The spindle and motor are integrated, compact structure, simple installation, convenient, space-saving; 

　　2, no intermediate transmission links, high efficiency, low vibration, low noise, smooth movement, at the same speed, long spindle bearing life;     

　　3, easy to realize high speed, high precision, high dynamic and static stability; 

　　4, the use of modern control technology electromechanical optimization design, can meet different working conditions and load requirements.