Ka'idar ma'auni na CMM shine don auna daidai ƙimar daidaitawa mai girma uku na saman ɓangaren, kuma don dacewa da abubuwan ma'auni kamar layi, saman, silinda, ƙwallaye ta hanyar wani algorithm, da samun sifa, matsayi da sauran geometric. bayanai ta hanyar lissafin lissafi.A bayyane yake, daidaitaccen auna ma'auni na abubuwan da ke saman sassan sassan shine tushen kimanta kurakuran geometric kamar siffa da matsayi.

Yin aiki da amfani da injin CMM yana buƙatar tushen ilimin ƙwararru, kuma yana da wahala ga waɗanda ba ƙwararru ba su yi bayan shirye-shiryen da sauran ayyuka.Mafi mahimmanci, babu daidaitattun ma'auni don hanyoyin aunawa, kamar adadin maki, zaɓin matsayi, da dai sauransu. Amma sashen gwajin mu yana da ƙwarewar ƙwararru mai dacewa kuma yana iya gwada yawancin samfuran.

Inganci da sabis sune tushen haɗin gwiwarmu na dogon lokaci tare da abokan ciniki.Don haka ba mu taɓa yin kasala ba.