cnc engraving and milling machine 1.3-D engrave on metal, aluminium, cuprum, steal 2. ... DSP control system 3. servo motor system cnc engraving and milling machineFeatures:Casting steal main structure, High rigidity, Optimization assembled, ... no-interruption join axis , max speed 24,000rpm, high-power milling and small knife fine artifactitious function Digital control system ResolutionParameters ...