collahuasi sag mill failure

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literature review: gearless motor failures – a mill

the failure of the collahuasi motor was catastrophic and it occurred within months of commissioning. the collahuasi motor was for a 40 ft sag mill. the antamina 38 ft sag mill was also driven by an abb motor and the hanger plates had not failed on that machine after several years of operation.

sag mill success—start with the basics -

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collahuasi sag mill échec -

collahuasi sag mill failure . sag mill fault_collahuasi sag mill failure sag mill faultchichacharleroibe economic life of sag mill it was identified there was an insulation anomaly in the rotor which exposed the business to the risk of [chat online] ball mill pinion shaft failure analysis. afficher plus →

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industrial solutions project brief - abb group

abb also provided collahuasi with drives and ring motors for one sag mill and two ball mills. powerful abb gearless drives rated at 15.5 mega-watts each drive two eight-meter (26 feet) diameter ball mills that grind small pieces of ore at eleven revolutions per minute. however the plant’s showpiece is the world’s largest gearless mill drive.