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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DIN EN 13262
🇬🇧
BS EN 13262
🇫🇷
NF EN 13262
🇮🇹
UNI EN 13262
🇪🇸
UNE EN 13262
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NEN EN 13262
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ETSI EN 319 412
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ETSI EN 319 411-2
ETSI EN 319 411-1
Gerinnungszentrum Rhein-Ruhr
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Thrombozytenaggregation
Epinephrin-Ristocetin) nach
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Kollagen / ADP, PFA-Kollagen
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Gesellschaft für Materialforschung und Prüfungsanstalt für das Bauwesen Leipzig mbH - MFPA Leipzig
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ISO 1920-4
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DIN EN 12350-1
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DIN EN 12350-6
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Thrombozytenfunktionstest
Basophile Leukozyten, absolut
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spektrale
Mikrofonempfindlichkeit
Photodioden
1 µA/W
Bestrahlungsstärke
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Glasgow City Council
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(HSG 248) – 2021
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F2011 (BS 696:Part 2:1989)
F0131 (BS 1741:10-1:1989) using
F0008 (BS 696:Part 2:1989) using
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DIN EN ISO 7730
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Gully Howard Technical
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HSG 227 (2004))
(HSG 264, 2012)
HSG 264 (2012) and Appx. 3 of
Appendix 5 of HSG 227 (2004))
ASTM D3835-16
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ASTM D6601-19
ISO 11443
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Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Drehmoment 2 N·m
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20 N·m
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Messverstärker > 120 mV
> 12 V
> 120 V
Gleichstromstärke 10 µA
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induzierte Thrombozytopenie, Test)
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