ZR axis actuator nau'in tuƙi ne kai tsaye, inda babur ɗin motar ke tafiyar da dunƙule ƙwallon da ƙwallon ƙwallon kai tsaye, yana haifar da ƙaramin siffa. Motar axis na Z-axis ana turawa don jujjuya ƙwal ɗin ƙwal don cimma motsi na layi, inda spline goro ke aiki azaman tasha da tsarin jagora don dunƙule sandar.