... 2,Drive system:stepper motor(can optional) 3,Control system:DSP system 4,CE/ISO9001:2000 DASH mini machineDH-3030 metal ... or 110v\60Hz13Drive typeStepper motor14Spindle800W variable speed,water-cooled motor\ 1500W15Spindle speed0-24000rpm16Control systemNcstudilo17Blade diameter3.175mm,4mm,6mm18CommandG code ... 24 hours, or by phone if urgently. DASH mini machine DH-3030 metal processing machinery