Gearless Drives
pace. In 1996, Freeport ordered the first gearless drive for a 38foot SAG mill located at the company''s Grasberg plant in Indonesia. This gearless drive provides an astonishing 20,400 kW of power. In 1998, Siemens supplied the first gearless drive for a 40foot SAG mill at the Cadia Hill Mine in Australia. While the details vary, there is a ...