ABB Library

The functionality and technical features of gearless mill drive systems as well as their advantages compared to other drive solutions has been shown. Due to their technical advantages gearless …

Gearless mill drives

The gearless mill drive eliminates ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings, used within a conventional mill drive system. By mounting the rotor poles directly …

SAG Mill Variable Speed Drive

The gearless drive comprises a synchronous motor designed to operate at low variable frequency from a cycloconverter power supply (CCV). The motor rotor is mechanically attached directly to the rotating members of the …