This metal marking machine to mark characters, numbers,and graphs on flat,cylindrical and conical surface of metals. The head of marking machine can be directed to any direction so as to mark on mechanical parts and other parts. 1metal engraving machine 2marking on 360 degree entire circumference surface 3marking on pipe,ring flange,pump & nameplate.etc our metal marking machine should be controlled by Computer and Air Compressor, to make the machine move on the traces of pre-edited characters in the Computer and to make the needle strike on workpiece at a high frequency, then, to form needed characters on workpieces. Details of NCQ/D Type Items Marking AreaInstructionFlat(mm2)Diameter of circleNCQ/D-135-85135*855-200mmTwo-axis rotary working,weight of workpieces under 10kgsNCQ/D-200-110200*1105-200mmNCQ/D-250-200250*2005-200mmNCQ/3D-135-85135*855-260mmThree-axis rotary working,weight of workpieces under 20kgsNCQ/3D-200-110200*1105-260mmNCQ/3D-250-200250*2005-260mm Specifications Marking contents Numbers,Chinese and English characters, graphsSize of charactersAdjustableMarking depth0.02-1mm(adjustable,relevant to materials)Marking speed2-5 letters per second according to letter sizeMarking materials Metals or nonmetals with hardness under HRC55 Marking surfaceFlat,cylindrical and conical surfacesPower sourceAC220V±10% or AC110V±10% ; 50Hz-60HzPneumatic pressure0.3-0.7MpaEnergy consumption100W(air compressor excluded)Repeat precision0.02-0.05mmWork enviromentRegular work environmentFunction introductionSmall or big workpieces,flat,cylindrical or conical surface, metal materials can all be marked, marking head can be turned freelyApplicable scopeMotor parts, mechanical parts, machine tools, hardware product, pump valve,steel tubes, ring flanges, plastic products, Major partsMain machine, marking controller, rotary fixture, English marking software