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
3,987
Accredited labs
21
Countries
Showing 2,776–2,800 of 3,987 labs
Pendragon Scientific
Active
TEMPERATURE
TIME INTERVAL
ROTATIONAL SPEED
loggers
GAS CONTENT
+ 3 more
Pennington Choices
Active
(HSG 264, 2012)
Executive guides HSG 264 (2012)
and Appx. 3 of HSG 227 (2004))
Perry Analytical
Active
(HSG 248) – 2021
(PCM) based on HSG 248
Manual based on HSG 248
Perschmann Calibration
Active
Sound intensity — scanning method (ISO 9
Sound intensity — scanning method part 2
Railway braking — urban guided transport
Railway braking — urban guided transport
Railway vehicles — gauge limits (UIC 505
+ 3 more
Salt spray / neutral salt fog test (ISO
N334K rs7840951
ID179
DIN EN 1021-1
DIN EN ISO 6988
+ 3 more
Railway braking — urban guided transport
Temperaturmessgrößen
- Direktanzeigende Thermometer
1) In den CMC sind die erweiterten Messu
Oberflächenthermometer
+ 3 more
Phoenix Contact
Active
Railway maintenance — track geometry (EN
- Gleichstromwiderstand
Quellen
Wechselspannung 0,22 mV
Stromzangen 0,1 mA
+ 3 more
DIN EN ISO 6988
DIN EN 60068-2-14
DIN EN 60068-2-30
DIN EN IEC 60068-2-38
DIN EN 60068-2-42
+ 3 more
IEC 62196-1: 2014
IEC 60934
IEC 61643-11
IEC 61643-31
VDE 0675-39-11
+ 3 more
DIN EN ISO 3650:1999
− Längenmessgeräte
Durchmesser 1 mm
Prüfstifte
Bügelmessschrauben 0 mm
+ 3 more
PluriAcque S.C.P.A.
Active
ISO 9308-1
EPA 200.8 1994
Rapporti ISTISAN 2007/31 pag 115
Rapporti ISTISAN 2007/05 pag 32 Met
Rapporti ISTISAN 2007/31 pag 60 Met
+ 1 more
FIA 8855 1999
Ethanol
Urin
Antikörper gegen Spermatozoen
daktyloskopische Spur
Genotyp zur Spurenuntersuchung
+ 3 more
Urin
- Qualität Plasmazellen
daktyloskopische Spur
Speichel
daktyloskopische Spuren
+ 3 more
Pollution srl
Active
ISO 4832
DIN EN ISO 4833-1
DIN EN ISO 11885
DIN EN ISO 10523
DIN EN ISO 10304-1
+ 3 more
Polytest Ingenieure
Active
und VDI/VDE 2604
- PiM rs6647, PiZ rs28929474, rs17580
6/7 - Polymorphismus rs3064744
229600 (A150P u. A175
CD23, CD25, CD33,CD34, CD38, CD59
+ 3 more
Pontlab Srl
Active
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
DIN EN ISO 6507-1
DIN EN ISO 6508-1
ASTM B117-19
+ 3 more
Plasma cells | CD138
Amyloid | Congo Red
Fungi | Grocott
Haemosiderin | Perls
Endothelial cells | CD31
+ 3 more
Quantification of: | Roche Cobas 8000 sy
Detection of : | Manual Indirect
Urine Detection of: | Abbott BinaxNOW
Faeces Detection of: | Automated enzyme
Governance Manager
+ 3 more
Digoxin
Cortisol
Glucose
Gentamicin
Insulin
+ 3 more
Poulten Selfe and Lee
Active
TEMPERATURE
ASTM D4052 (Digital density
Viscosity constant ‘C’
Reference viscometers:
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