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Warrego grinding mill for copper concentrate

A recently refurbished drive shaft and air clutch had excessive wear to the white metal motor bearings; the 7 tonnes motor was 6mm off the centre line. No new motor parts were available in the country. Transalign ISM carried out the laser alignment and everything was running within 42 hours.

Transalign I.S.M were called to carry out a laser alignment check after a recently refurbished drive shaft and air clutch were reinstalled by another company.

The mill halted production of the final 150,000 tonnes of ore from the Gecko underground jeopardising the jobs of 60 workers who faced dismissal as no new motor parts were available in the country.

The Airflex clutch had failed within 10 days of re installation with excessive wear to the white metal motor bearings.

It was determined that the direct drive induction motor weighing approx. 7 tonnes was 6mm off the centre line. The motor had to be isolated, disconnected and slung up to allow sufficient clearance and the 16 hold down bolt holes had to be opened out to accommodate the movement.

42 hours later the mill was re aligned, locked down and running.

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