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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21
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DIN EN 1484
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DM 06/09/1994 GU n 288 10/12/1994
Reg CE 761/2009 23/07/2009 GU CE
PASTEUR
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ISO 4832
DIN EN ISO 4833-1
ISO 11731
DIN EN ISO 17604
ISO 18743
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UNE-EN 12663-1
NBN EN 12390-3
NBN EN ISO 15630-1 § 5 & PTV OCAB 302, 3
NBN EN ISO 15630-2 § 5 & PTV OCAB 302, 3
NBN EN ISO 15630-1 § 5 & PTV OCAB 302
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DIN EN 27888
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DIN EN ISO 10304-1
DIN EN ISO 17294-2
ISO 10304-1
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Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Werkstoffprüfmaschinen
(Härteskalen HV5 bis HV100)
Kraftmesseinrichtung von
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PERFORMANCE LAB - ICA
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Salt spray / neutral salt fog test (ISO
DIN EN 20105
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Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Sound power — survey method (ISO 3746)
> 2,0 bar
> 0,0 bar
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DIN EN ISO 6270-2
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DIN EN 27888
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Eigen methode
Methode volgens instructies leverancier
Denrées alimentaires d'origine végétale
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DIN EN ISO 4833-1
DIN EN ISO 7932
BS EN 15662
DIN EN 13805
DIN EN ISO 14501
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