... spindle motor ,which can ensure high speed and accuracy. cnc milling machine Technical parameters: ModelPerformanceT3Working area(x,y,z)300*200*120mmWorking ... high cost performance.8. It is able to go on engraving when the electricity is cut or the tool is broken ... line cutting, moulding processing field, toys and gifts, 3D engraving, etc. Applicable Materials:Copper, aluminum, steel and alloy.