Lisebelisoa tse phahameng tsa ho khanna, tse kopanyang Stepping Motor le Ball Screw / Lead Screw ho felisa ho kopanya. Stepping Motor e kentsoe ka kotloloho pheletsong ea Ball Screw/Lead Screw mme Shaft e hahiloe hantle ho theha Motor Rotor Shaft, sena se fokotsa motsamao o lahlehileng. Ho felisa Coupling le moralo o kopanetsoeng oa bolelele bohle o ka finyelloa.