Investigation on features and tendencies of axle-box heating

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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology

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ISSN: 1896-0596
eISSN: 2300-861X

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VOLUME 10 , ISSUE 1 (March 2015) > List of articles

Investigation on features and tendencies of axle-box heating

Olegas LUNYS / Stasys DAILYDKA / Gintautas BUREIKA

Keywords : hot axle-box detector, rolling friction, heat exchange process, cartridge bearings

Citation Information : Transport Problems. Volume 10, Issue 1, Pages 105-114, DOI: https://doi.org/10.21307/tp-2015-011

License : (CC BY-SA 4.0)

Published Online: 21-April-2017

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ABSTRACT

Breakdown of rolling stock axle-boxes if not detected in due time may cause a rail accident or disaster. At present, a lot of advanced technologies, modern equipment and devices, which “recognizes” faulty axle-boxes when the train is in motion, have been implemented. However, the timely identification of breakdown of rolling stock axle-boxes still is an acute problem, the initial stage of damage emergence being especially problematic. Presently, rolling stock axle-box breakdown is determined according to the higher than permissible temperature of the axle-box body. The article provides statistical data of dangerously heated axle-boxes, determined train delay durations, the number of delayed trains by danger level, and dependence of damage on the season. After systematization of data on axle-box damage and heating temperatures of broken axle-boxes, heating tendencies of axle-boxes of freight wagons are described. Finally, basic conclusions are given.

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