... high-precision 3)powerfully milling Feature : 1.whole cast steel machine body,Servo motor,powerfully milling,1/100mm precision. 2.Pause ... , adjust speed and cutting depth anytime during cutting, also can preview the tool path. Convenient for engraving different materials, ... , big torque, strong cutting, high-frequency, long-life, can be a long time continuous workings Model GX-4050 XY working area ...