paper - ABB GroupAlso the ball mills became continuously larger and reach today up to 22 MW for .. technology to feed the gearless motor with a huge rated power. .. frequency converter combined with mill operation features and protections programmed in a.abb 8500 hp ball mill motor technical data,Updates on geared vs gearless drive solutions for grinding millsAmong the many reasons that geared drives on large SAG mills are not favoured, is . recent years, this paper uses the latest data in applying these comparisons . Energy Recovery (SER) and variable frequency drive technology on . 17MW- 2x8500kW) .. interface between the mill vendor and the gearless motor supplier.
abb 8500 hp ball mill motor technical data