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DerailmentDerailment of trains caused by wheel bearing faults is a significant issue in the rail transport industry. A considerable number of derailments and train stoppages annually around the world are due to actual and potential overheated bearings.
Trains often consist of up to 320 wagons containing 2500+ bearings. The failure of just one bearing poses a significant safety risk.

Until recently inspection methods only included roll-by inspections and Hot Box Detector networks. Such "go/no go" tools are emergency alarms systems and therefore very costly. In contrast, Condition Monitoring approaches, well established in many industries, allow Predictive Maintenance of bearings, avoiding the above shortcomings. VIPAC Engineers & Scientists Ltd has developed RailBAM®, a new Bearing Acoustic Monitoring system. RailBAM® uses acoustics methods to implement Condition Monitoring for the roller bearings of underway rolling stock. RailBAM® detects and ranks axle-bearing faults and 'acoustic' wheel flats and provides advanced warning of failure.

VIPAC Engineers & Scientists Ltd is a dynamics consultancy and specialist product company with offices in Australia and South East Asia. For 30 years VIPAC's core business has included condition monitoring of machinery roller bearings. Learn more about VIPAC Engineers >>
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