... ,cnc engraving machine,small intertia,high rigidity,space adjustabl scanner laser engraving machineCNC Router YH-1625,YH-1325,YH1613 ... accuracy while long time work; Y axis adopt double motor driver, precised rack transmission. * X.Z axis adopt high precised ... High speed PCI multi axis moving controller, AC 400W servo driver is available for optional. * Internal circulation water cooling for spindle ...