Defects in railway axle bearings can affect operational efficiency, or cause in-service failures, damaging the track and train. Healthy bearings produce a certain level of vibration and noise, but a bearing with a defect causes substantial changes in the vibration and noise levels. It is possible to detect the bearing defects at an early stage of their development, allowing an operator to repair the damage before it becomes serious. When a vehicle is scheduled for maintenance, or due for overhaul, knowledge of bearing damage and severity is beneficial, resulting in fewer operational problems and optimised fleet availability. This paper is a review of the state of the art in condition monitoring systems for rolling element bearings, especially the axlebox bearings. This includes exploring the sensing technologies, summarising the main signal processing methods and condition monitoring techniques, i.e. wayside and on-board. Examples of commercially available systems and outputs of current research work are presented. The effectiveness of the current monitoring technologies is assessed and the p–f curve is presented. It is concluded that the research and practical tests on axlebox bearing monitoring are limited compared to the generic bearing applications.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Perspectives on railway axle bearing condition monitoring


    Contributors:


    Publication date :

    2020-01-01


    Size :

    15 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    RAILWAY VEHICLE AXLE BEARING

    SUZUKI KENGO | European Patent Office | 2019

    Free access

    AXLE BEARING FOR RAILWAY VEHICLE

    HORII YOUJI / NIWA MISAKI / ZHANG MIAN et al. | European Patent Office | 2024

    Free access

    BEARING FOR RAILWAY VEHICLE AXLE

    SHIROTA SHINICHI / TAKEUCHI KENTO | European Patent Office | 2016

    Free access

    Roller bearing railway axle-box

    Engineering Index Backfile | 1937


    Bearing assembly for a railway axle

    MORETTI ROBERTO / SEMA SILVANO | European Patent Office | 2015

    Free access