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New Conveyor Pulley Bearing Fault

New Conveyor Pulley Bearing Fault

A newly installed head pulley on a mine conveyor caused a high temperature bearing alarm after less than 4 weeks operation and NES staff were requested to investigate using vibration analysis. Situation: The head pulley had been replaced and before the next routine...
Cracked Rivets Found With NDT

Cracked Rivets Found With NDT

Cracked rivets were found by NES NDT staff in the Dolly Car Winder intermediate shaft bearing support structure which was allowing excessive movement of the bearing during operation of the Winder. Situation: Routine condition monitoring surveys by NES staff found...
24 hour Longwall Breakdown Avoided

24 hour Longwall Breakdown Avoided

An unplanned and costly 24 hour mine longwall breakdown was avoided by Noble Engineering Services recommending replacement of a Beam Stage Loader gearbox due to a serious looseness detected. Situation: Routine monthly monitoring of the longwall equipment by NES...
Conveyor Head Pulley Failure Avoided

Conveyor Head Pulley Failure Avoided

NES were able to assist in preventing a plant-stopping breakdown by giving early warning of a likely Head Pulley bearing failure in the Plant Feed conveyor. Situation: The capable and experienced NES Consultant provided advice on the pulley bearing over a number of...