Scope
UIC 519
Railway Wheelset Equivalent Conicity Determination
This test method specifies procedures for determining the equivalent conicity of railway wheelsets, a critical parameter governing vehicle stability and steering behavior on curves. Conicity describes the geometric relationship between wheel profiles and rail geometry, affecting how vehicles negotiate curves and respond to track irregularities. The measurement is essential for wheelset manufacturers, vehicle designers, and track maintenance specialists to ensure stable, safe operation and minimize wear and derailment risk. Accredited testing provides objective verification that wheelsets meet design specifications and regulatory requirements for dynamic safety.
What it measures
- Wheel profile geometry and taper angles
- Equivalent conicity value (λ)
- Wheelset geometric parameters and deviation
- Contact point position relative to wheel center
- Stability characteristics and steering forces
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NBN EN 13262
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DIN EN 13262
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BS EN 13262
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NF EN 13262
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UNI EN 13262
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UNE EN 13262
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NEN EN 13262
3,987
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CENTRE SCIENTIFIQUE ET TECHNIQUE DU BATIMENT (CSTB) - Direction, Sécurité, Structures, Feu (DSSF)
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ISO 5660-1
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BS EN ISO10545-15:2021
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DM 04/04/1985 GU n 98 26/04/1985
DM 13/09/1999 SO n 185 GU n 248 21/10/19
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IEC 60695-2-10: 2013
IEC 60695-2-11
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IEC 60695-2-12: 2010
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OM H-3 based on ISO 9698:2019
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OIV-MA-AS313-15 R2011
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