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 (ฮป)
- Wheelset geometric parameters and deviation
- Contact point position relative to wheel center
- Stability characteristics and steering forces
๐ง๐ช
NBN EN 13262
๐ฉ๐ช
DIN EN 13262
๐ฌ๐ง
BS EN 13262
๐ซ๐ท
NF EN 13262
๐ฎ๐น
UNI EN 13262
๐ช๐ธ
UNE EN 13262
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NEN EN 13262
3,715
Accredited labs
21
Countries
Showing 1โ3 of 3 labs
UKAS
2000
Sharjah, AE
DIN EN 12390-3
DIN EN 12504-1
DIN EN 12390-7
BS 1377-2:2022
BS 1377-9:1990
+ 3 more
DAkkS
D-ML-21351-01-00
Dubai, AE
Absolutdruck
tration von Cholesterol
Glucose
Calcium
AST
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DAkkS
D-ML-13455-01-00
Dubai, AE
Ethanol
HbA1c
Cortisol
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AFP
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Industries
Wheelset and bogie manufacturing
Rolling stock design and engineering
Track maintenance and infrastructure management
Vehicle certification and type approval
Railway research and development
Related Standards
- UIC 510-2 Railway vehicles โ Running gear โ Wheels and wheelsets โ Part 2: Definitions and gauges
- EN 13262 Railway applications โ Wheelsets and bogies โ Safety requirements for wheels
- UIC 644 Railway โ behaviour of coach bogies โ Y25 bogie type
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