... enough roomage in the stand . The U2 have a grinding function .it is easy to grind the part so ... functions.for example: G-code to control the speed of spindle and coolant system . or use 4th axis . X, ... as STEPPER FREE, EMERGENCY STOP, LIMIT/TOOL ADJUST SENSORS, SPINDLE CONTROL, HALF DRIVE CURRENT, OVER-THERMAL PROTECTION, etc. About ... will find the advantages when work. CNC Milling & Grinding Machine U2