Don daidaitaccen ƙarfe da aka ƙirƙira na al'adasassan injin karfe, CNC machining ne yadu amfani don samun da ake bukata haƙuri da surface roughness. Ƙarfe na ƙarfe waɗanda za a iya sarrafa su a RMC sun ƙunshi nau'ikan iri iri. MuCNC machining sabissu dace da gami karfe machining, carbon karfe machining,bakin karfe machiningda mashin ɗin ƙarfe. Hakanan za'a iya ƙera bayanin martabar ƙarfe na ƙarfe bisa la'akari da ƙwararrun ƙwarewarmu daingantattun kayan aikin inji.
