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
🇩🇪
DIN EN 13262
🇬🇧
BS EN 13262
🇫🇷
NF EN 13262
🇮🇹
UNI EN 13262
🇪🇸
UNE EN 13262
🇳🇱
NEN EN 13262
1,399
Accredited labs
17
Countries
Showing 126–133 of 133 labs
UNE-EN 81-1
UNE-EN 81-2
UNE-EN 81-50
UNE-EN 81-20
UNE-EN 60947-4-1
+ 3 more
UNIVERSITAT DE GIRONA
Active
UNE-EN 25663
UNE-EN 872
UNE-EN ISO 6878
UNE EN 27888
UNE-EN ISO 10523
+ 3 more
URIKER
Active
UNE 77061
SM 4500-NO-3 E
UNE-EN ISO 7027-1
ISO 15923-1
UNE-EN ISO 7393-2
+ 3 more
5 a 18 mm/s (Valor pico) (frecuencias en
5 a 12 mm/s (RMS) (frecuencias entre 8 H
VIRLAB
Active
IEC 60068-2-6
UNE-EN 60068-2-6
UNE-EN 60068-2-27
IEC 60068-2-27
UNE-EN 60068-2-57
+ 3 more
UNE 73109
IEC 60780 (1998)
UNE 73109 (2001)
ISO 28218
ISO 27048
No matching labs found.