CNC Cutting Machinery RC0615 1.high-accuracy 2,Dust protection on 3 axis 3, Hiwin rails and TBI ballscrew ... ,DSP control CNC Engraving Machine RC0615Detailed Product Description1.high-accuracy2,Dust protection on 3 axis3, Hiwin rails and TBI ballscrew4,DSP ... and other similar materials. Working with dust hood on all three axis, it can stop dust away from the rails and ball screws ...