... the graphic precision by automatic pulse adjustment.5.The Z-Axis is drived by ball screw rod imported from ... and souvenirs.Suitable for those materials: Wood,aluminum board,plastic,density board,wave board,PVC,acrylic,crystal,light marble ... motorsServoItalyWorking VoltageAC380V/50HZCommand CodeG codeOperating SystemSyntec systemNet weight2600kgGross Weight2900KgSamples: 2013 new cnc engraving machine