In general, the structure of the spindle can be divided into six parts: (1) the main shaft; (2) the spindle bearing; (3) the spindle unit housing; (4) the motor without the shell; (5) the module for the drive; and (6) the cooling device.
Spindle disassembly: spindle disassembly is very simple, but be careful: pay attention to the electricity, gas, and water connections.
The field of Computer Numeric Control (CNC) has entered a new era thanks to electric spindle technology integration, direct motor technology, high-speed tool technology, and high-speed processing.