Ukugaya nge-CNC kuyinqubo yokuqedela ngokunemba esebenzisa isondo lokugaya elilumayo ukususa inani elincane lezinto futhi kufinyelele izilinganiso ezinembile kanye nokuphela kwendawo okucwengisiwe.
Kuwusizo ikakhulukazi lapho izingxenye zidinga ukubekezelelana okunembile kobukhulu, ukuzungeza okuhle kakhulu, ukucaba, noma ukungakhuli kancane kwendawo. Kuye ngokuma kwezingxenye, ukugaya kungenziwa ezindaweni eziyindilinga, ezicaba, noma ezakhiwe ngokukhethekile.
Izinhlelo zokusebenza ezijwayelekile zihlanganisa amashafu anembile, izingxenye zamabheringi, izingxenye zemishini eziqinisiwe, amathuluzi, kanye nezingxenye zemishini yezimboni.