... by water, SD5040(working area: 500*400*80mm)All steel machine frame, special design, not occupying space resourcesTwo nut-backlash rolling ... power off restoration, break point continuation, working time anticipation and auto feeding blades etc.Friendly roller feet design , easy movement of ... /Type 3/Artcam/Artgrave etc. SUDA CNC ROUTER/CNC ENGRAVER/MILLING MACHINE SD5040