Unlike 3D printing, CNC is subtractive in lieu of additive. The CNC system starts off with a bigger block of material because the workpiece, and eliminates places, like chipping away at marble – to acquire to the ultimate model. Linear, rotary and angle encoders can be employed with servo motors https://www.sedlacek-t.cz/obrabeci-centrum-haas-ec-400-spolehlivost-a-presnost-pro-vas-provoz/