PGB Assembly is lightweight and independent design ,easy removable unit in the bowl mill without disturbing the upper mill section. The Gear box unit is stronger the worm shaft gear drive unit. Planetary gear box Assembly is a tremendous advancement in Bowl mill to reduce the speed of mill motor. Internally, there is a spiral Bevel and a Planetary Gear Stage to reduce the mill motor speed. The planetary stage consists "Sun" and three revolving "Planet".
Introduction of PGB unit enhances the Service Life and reduces maintenance time.