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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DIN EN ISO 19458
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DIN ISO 16000-3
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Calibration plate for transmissive/refle
ASTM C1279 15.1 Procedure A and EN 12150
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DIN EN 12880
DIN EN ISO 19458
DIN EN 932-1
DIN 19682-2
DIN EN ISO 11885
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AbbVie Srl
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DIN EN ISO 16911-1
BS EN ISO 16911-1:2013 using
APAT CNR IRSA 2060 Man 29 2003
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DIN EN ISO 11885
DIN EN ISO 10304-1
DIN EN ISO 10304-4
ISO 10304-1
DIN EN ISO 9308-2
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11p15 MLPA
BS SOP004 using sandwich immunoassay
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(HSG 264, 2012)
(HSG 248) – 2021
Appendix 5 of HSG 227
staining based on HSG 248
(PCM) based on HSG 248
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APAT CNR IRSA 4020 Man 29 2003
APAT CNR IRSA 4030 A2 Man 29 2003
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Acque di Casalotto SpA
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ISO 6222
ISO 9308-1
APAT CNR IRSA 2030 Man 29 2003
APAT CNR IRSA 2060 Man 29 2003
APAT CNR IRSA 2020 A Man 29 2003
Acquedotto Lucano Spa
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DIN EN ISO 10304-1
DIN EN ISO 17294-2
DIN EN 1484
VDE 414-9-11
ISO 16266-2
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DIN 75410-2
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ISO 6222
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Bakterien 2: Clostridioides
ISO 15923-1
NEN 5793
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DIN EN 16179
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DIN EN ISO 15587-2
DIN EN 13805
DIN EN 17194
DIN EN 17053
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Agrivite SRL
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OIV-MA-AS313-01 cap 5.2 R2015
OIV-MA-AS313-02 R2015
OIV-MA-AS2-03B R2012
OIV-MA-AS313-15 R2011
OIV-MA-AS313-14A R2009
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