Pantograph
Failed bearings on rolling stocks present important safety risks, potentially leading to catastrophic events such as derailment or fire. A rise in the heat generated by a bearing is found to be a good predictive diagnostic of a bearing about to fail.
MEASURE BEARING TEMPERATURE
Failed bearings on rolling stocks present important safety risks, potentially leading to catastrophic events such as derailment or fire.
HABD VS ONBOARD MONITORING
The European standard EN 15437 deals with interface and design requirements for Axle box condition monitoring.
SAFETY INTEGRITY LEVEL
On-board monitoring of axle box bearing temperature is a safety critical function
How Pantograph Works?
Wagon axles normally have two shifts, with a single axle type and lower production accuracy
Diagnostics
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Failed bearings on rolling stocks present important safety risks, potentially leading to catastrophic events such as derailment or fire. A rise in the heat generated by a bearing is found to be a good predictive diagnostic of a bearing about to fail.
The development of Safety Integrity Levels fulfils the need for more approachable and systematic safety management. The SIL probabilistic approach helps to determine the risks associated with a safety function, system or component and to set an acceptable risk level for it.
Acceptable temperatures and temperature variations are set in the system: any value deviating from the norms will trigger alarms and, potentially, actions to guarantee safety.
