... 4.linear round gui rail & ballscrew Multifunction 4 -axis CNC Engraving Machine ZK-6060 ApplicationsWood ,Metal, Stone,acrylic , ... axis, stable operation, high precision and low vibration.2. NcStudio control system, controlled by desktop computer, can show the processing ... small work piece precision processing, mainly used for metal, such as aluminium, copper, stainless steel, steel, alloy, etc.9.Also ...