3D cnc wood engraving machine 1300x2500x200mm,CE stepper motor,square guide,vacuum pump wood,foam,PVC,MDF,acrylic,plexiglas SD-1325A 3D cnc wood engraving ... and square guide ensure a high-speed working and accurate engraving.3.vacuum pump which is powerful and has a big ... water-cooling spindle,low noise,has a powerful cutting and engraving capability.8.9 break-point memory which engsures a constant ...