... round gui rail & ballscrew Multifunction 4 -axis CNC Engraving Machine ZK-6060 ApplicationsWood ,Metal, Stone,acrylic ,organic glass ... , jade, emerald, jewelry engraving, 3D engraving.... Machine specifications X/Y-axis working area 600*600mmMillling cutter ... operation, high precision and low vibration.2. NcStudio control system, controlled by desktop computer, can show the ...