... the brushless motor .then install the cutter . standard CNC U2 have three axis control system .and we also ... X, Y, Z axis are all updated with ball screws, including two screw nuts, plane bearing and couplers. ... hard work. For the NC control system, including CNC interface board, three stepper drivers, provide quite all ... a cable we offered, you can enjoy the CNC mill so easy! To strengthen the heat sink ...