... motor 4.Ball screw transmission Application:Jade, copper, aluminum, iron, metal stamps, badges, signs, small pieces of steel, PVC, acrylic, double ... working area<100mmMax feeding height<280mmSpindle Power1.5KWSpindle speed0-24000rpmMax engraving speed 4000mm/minTransmission formHigh precision ball screwCountertop flatness≤0.02mmEngraving ...