... , so the working table is more stableAll the ball screw , linear bearing , etc controled by the controled by the control system ... ,Artcam,Ucancam,Caxa,Mastercam,UGResolution ±0.04mmWeight 1500kg1600kg1600kgSize of machine1700x2900x1750mm2900x1900x1750mm1900x2900x1750mm woodworking cnc router of 4 heads