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
3,715
Accredited labs
21
Countries
Showing 1–7 of 7 labs
Bureau Veritas Shenzhen Co
Active
(NM_001718: c.1-c.500)
BS 5852
DIN EN ISO 7971-3
DIN EN 71-10
ISO 8124-3
+ 3 more
Hohenstein Laboratories (HK)
Active
DIN EN 12681-1
DIN EN 1371-1
DIN EN 14389
DIN EN 20105-A02
DIN EN ISO 105-A03
+ 3 more
DIN EN ISO 2813
DIN EN 60068-2-30
DIN 75220
DIN EN 60695-11-10
ISO 16750-3
+ 3 more
VDA 275
VDA 278
VDA 270
DIN EN 14582
ISO 8124-3
+ 3 more
TÜV Rheinland (Shanghai)
Active
DIN EN IEC 62477-1
IEC 60904-1*
IEC 60904-2*
IEC 60904-3*
IEC 60904-4*
+ 3 more
TÜV Rheinland Hong Kong
Active
CD71
DIN EN 1371-1
DIN EN 1371-2
DIN EN ISO 7971-3
DIN EN ISO 717-1
+ 3 more
IEC 61400-21-1
prEN 50549-10
IEC 61683
DIN EN 50530
DIN EN 50438
+ 3 more
No matching labs found.