CNC machining sau da yawa fuskantar al'amurran da suka shafi kamar rashin daidaito girma, kayan aiki lalacewa, workpiece nakasawa, da kuma rashin ingancin saman, mafi yawa lalacewa ta hanyar zafi ginawa. Yin amfani da chiller masana'antu yana taimakawa sarrafa yanayin zafi, rage nakasar zafi, tsawaita rayuwar kayan aiki, da haɓaka daidaiton injina da ƙarewar ƙasa.