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
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Campoverde Srl
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ISO 13166
DIN EN ISO 13162
DIN EN ISO 9698
DIN EN ISO 7503-2
DIN EN ISO 11704
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Capone Lab
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ISO 21527-2
DIN ISO 16649-2
DIN EN ISO 4833-1
DIN EN ISO 6888-2
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Ferritin
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Carl Zeiss
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DIN EN 61010-1
IEC 61010-1 : 2010
DIN EN 61010-2-091: 2013
IEC 61010-2-091: 2012
IEC 60825-1: 2007
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Carl Zeiss IQS Deutschland
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1) In den CMC sind die erweiterten Messu
Oberkochen, D
Software von Carl Zeiss
Industrielle Messtechnik
Carl Zeiss Industrielle ≤ 3818 mm
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Railway braking — urban guided transport
Railway vehicle body structural requirem
Railway maintenance — track geometry (EN
thermometer Pt100
DIN EN ISO 3650:1999
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Carl Zeiss Jena
Active
DIN EN 50155
VDE 0115-200
VDE 0468-2-1
DIN EN 60068-2-14
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Railway maintenance — track geometry (EN
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
und Radsatzmerkmale 22 mm
Kalibrierung der 0,01 mm
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Casa Environmental Services
Active
(HSG 264, 2012)
Reinspection of identified or suspected
No 019 based on ISO 5764:2009
based on ISO 13366-2:2006
ISO 14675
ISO 9622
ISO 13366-2
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Cavendish Laboratories
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(cdt), Deletion an Pos 117
(HSG 248) – 2021
(PCM) based on HSG 248
BS 6068-4.12:1998 (withdrawn)
CeGaT
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Mikrosatelliten-Instabilität
Hämochromatose (HFE)
(SMN1, SMN2)
Punktmutation Cys282Tyr
BAT-25, BAT-26, NR-21, NR-22, NR27
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BS 1377-2:2022
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Centrale del Latte d'Italia
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DIN EN ISO 14891
DIN EN ISO 4833-1
DIN EN ISO 21528-2
DIN EN ISO 16634-2
DIN EN ISO 5764
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Centrale del Latte d'Italia
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DIN EN ISO 4833-1
ISO 4833-1
No 019 based on ISO 5764:2009
based on ISO 13366-2:2006
ISO 14675
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ISO 6878
based on BS EN 872:2005
ISO 11732
ISO 13395
FD T 90-112
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DIN EN 12664
DIN EN 1926
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DIN EN 1936
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DIN EN ISO 6506-1
ISO 37
DIN EN 1074-2
ISO 48-4
ISO 48-2
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DIN EN 12046-1
DIN EN 12046-2
DIN EN ISO 10140-2
DIN EN ISO 10140-4
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