Collahuasi Sag Mill Failure
Aluminium stair for support ball mill and sag mil. ... eand world's largest sag mill gearless drive and failure analysis of ball mill gears page 2 of 6 some of the largest in the world including the collahuasi sag and ball mills 40 ft and 26 ft respectively and the 40 ft ag mill at cape.As well as ever larger sag mills, ball mills are also expanding in size. in the late s the trend moved towards using gmds to power these larger ball mills, as well as using the drive to vary the speed. gmds quickly moved from 20’ ball mills, expanding to 24, 25 and then 26’ mills. in early abb commissioned the first gmds for two 27.