HMHG-III series flex spline belongs to the hollow flanging standard structure and the whole structure is compact, it is also a kind of the HMHG Series power drive gearbox. The wave generator adopts large - caliber hollow shaft and crossed roller bearing to bear loads in radial and axial directions. The structure of the monoblok harmonic drive is simple, and convenient for user customization and installation. Contact Han's Motion if you want to know more harmonic drive gear reducer details.