High precision planetary gearbox matched with serve motor, stepping motor are widely used. Lowest backlash(<3'); High output torques; High efficiency(96%); Honed toothings; 22 ratios I=3, ^^512; Low noise(<65dB); Any mounting position; Easy motor mounting; Life time lubrication; Figure diameters 40, 60, 80, 120, 160mm; More options.