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
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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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Cyclosporin A
Everolimus
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Tensile testing of metallic materials (I
Feuchtemessgrößen 15 %
*) > 30 %
Railway bogies — wheelsets and bogies st
Temperaturmessgrößen
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DIN 19698-1
DIN 19698-2
DIN EN ISO 54321
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Ashcroft Instruments
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Absolutdruck p abs 0,015 bar
> 2 bar
> 42 bar
Absolutdruck Pabs
1 bar; 2 bar
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DIN 55635
VDE 0468-2-14
VDE 0468-2-1
VDE 0468-2-5
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Conformity assessment — requirements for
Druckkraftrichtung
Drehmoment 0,01 N∙m
Drehmomentaufnehmer *
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B + B Thermo - Technik
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Temperaturmessgrößen
Temperatursensoren in
Railway bogies — wheelsets and bogies st
Railway braking — urban guided transport
Railway vehicle body structural requirem
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DIN EN ISO 527-3
IEC 61924-2
DIN EN 62233
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(LBLS) (OMIM 611105) (c.228-
DIN EN 13016-1
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Sound intensity — scanning method (ISO 9
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Analoge Anzeige
Railway freight wagon brake system requi
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DIN 18122-2
DIN 19698-1
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verwendete Abkürzungen:
Salmonella spp.
Antikörper)
Treponema pallidum (Lues)
Thrombozytäre Antikörper
dysenteriae), Vibrio cholerae
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Brucella spp. (IgG, IgM)
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Vickers hardness test (ISO 6507)
Temperatur *
Temperaturmessgrößen −35 °C
Railway braking — urban guided transport
Temperatur −40 °C
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Hämoglobin
Differentialblutbild
Erythrozyten
Großes Blutbild
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Großes Blutbild
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