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Condition monitoring of wheel wear on iron ore wagons
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
2012 (English)In: International Journal of COMADEM, ISSN 1363-7681, Vol. 15, no 2, p. 26-33Article in journal (Refereed) Published
Abstract [en]

Keeping wheel profiles in an acceptable condition is a major concern for both railway operators and infrastructure owners. The condition of the wheels influences both their wear and the required rail maintenance. Wheel wear affects the dynamic characteristics of vehicles and the dynamic force impact on the rail and, in a worst case scenario, can cause derailment. This paper studies the correlation of wear rate and wheel force to temperature and seasonal differences, monitoring eight identical wheel axles of different ages for a full life cycle. The study notes differences in wheel wear and wheel/rail forces while operating with a 30 ton axle load and in temperatures ranging from -30°C to +30°C. It measures speed, vertical and lateral forces for every train passage and calculates the lateral-to-vertical force ratio at a research station near Luleå, Sweden. The study concludes that wheel wear is significantly greater at lower temperatures. The magnitude and variation of lateral forces are strongly dependent on the bogie position, with the highest peak value recorded for the leading low rail. The L/V ratio is strongly seasonally dependent with large differences within a month due to changes in friction.

Place, publisher, year, edition, pages
2012. Vol. 15, no 2, p. 26-33
National Category
Other Civil Engineering
Research subject
Operation and Maintenance; Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4792Local ID: 2c79135d-b32b-4681-8c27-4ff83a759637OAI: oai:DiVA.org:ltu-4792DiVA, id: diva2:977666
Note
Validerad; 2012; 20111122 (mikpal)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Palo, MikaelSchunnesson, Håkan

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CiteExportLink to record
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Citation style
  • apa
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