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
1,632
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UL International Italia Srl
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DIN EN 60068-2-30
IEC 61000-6-1
AS/NZS CISPR 22:2006
IEC 61000-6-2: 2005
ETSI EN 303 446-2
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WTLAB
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IEC 62109-1
IEC 61400-21-1
IEC 62109-2
DIN EN 60598-2-4
DIN EN 60068-2-30
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White Lab srl - Eurolab
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DIN EN 1186-3
IEC 62321-3-1
ISO 10195
EPA 6020
DIN EN 12457-2
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ISO 10195
DIN EN ISO 11641
DIN EN ISO 3377-1
DIN EN ISO 11642
DIN EN ISO 17228
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XEFRA SRL
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DIN EN 60079-11
DIN EN 60079-2
DIN EN 60079-31
DIN EN 60079-1
IEC 60079-1
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Z LAB Srl
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DIN EN ISO 11546-1
UNI EN ISO 9295
DIN EN ISO 11957
ISO 354
ISO 3741
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