Ho nepahala ho phahameng, botsitso bo phahameng, ho boloka chelete e ngata:motsoako oa "rolling ball screw" le "2-phase stepping motor" li boloka ho kopanngoa, 'me mohaho o kopantsoeng o fokotsa phoso e nepahetseng e kopantsoeng, e ka etsang hore boemo bo pheta-phetoang bo be ± 0.001mm.
Lithapo tsa Shaft li fumaneha ka mefuta e fapaneng mme li ka hlophisoa kamoo ho hlokahalang. Litlhaloso tsa motlakase ke 20, 28, 35, 42, 57 stepper motors, tse ka tsamaellanang le li-screws tsa bolo le li-sliding screws.