Imishini ye-CNC, noma imishini yeComputer Numerical Control, iguqule umkhakha wokukhiqiza, ikakhulukazi ekukhiqizeni amathuluzi okunemba. Lobu buchwepheshe busebenzisa izinhlelo zamakhompiyutha ukulawula imishini, kuthuthukisa ukunemba nokusebenza kahle ekusebenzeni kwezinto. Njengoba izimboni zifuna ukubekezelelana okuqinile nokunemba okuphezulu, imishini ye-CNC isiyinqubo ebalulekile kumana