... .linear round gui rail & ballscrew Multifunction 4 -axis CNC Engraving Machine ZK-6060 ApplicationsWood ,Metal, Stone,acrylic ,organic glass, jade, ... /minLathe bed structureCast ironBiggest engraving speed 6000mm/minPower supplyAC220V 50HZ Machine features1. Imported the ball screw and linear round guide way ... , acrylic, organic glass, PVC, double color board, stone, jade processing. Sample pictures