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
3,554
Accredited labs
21
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Showing 3,376–3,400 of 3,554 labs
DIN EN ISO 11885
DIN EN 13657
DIN EN 14346
DIN EN ISO 10304-1
DIN EN 1484
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DIN EN ISO 6988
VDE 0468-2-1
DIN EN IEC 60068-2-11
DIN EN 60068-2-30
DIN EN 60068-2-42
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Vectoflow
Active
− Strömungsgeschwindigkeit von Gasen
Strömungsgeschwindigkeit
am Standort Vectoflow Windtunnel A, Frie
von Gasen 15 m/s bis
> 38 m/s
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HLA-DR
HLA-DQA1
HLA-DQB1
HLA-DPB1
Samples | HLA-DPA1
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DIN ISO 16649-2
DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 6888-2
DIN EN ISO 11290-1
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DIN EN 27888
DIN EN ISO 18593
DIN EN ISO 19458
ASTM E 114-20
DIN EN 932-2
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VeronaLab srl
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ISO 21527-2
DIN EN ISO 17141
DIN EN 13126-19
DIN EN ISO 15587-2
DIN EN 13657
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DIN EN ISO 19458
DIN EN ISO 6508-1
DIN ISO 5667-5
DIN EN ISO 19458 (K 19)
DIN EN ISO 11731 (K 23)
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VDE 0468-2-1
DIN EN 60068-2-14
VDE 0468-2-14
VDE 0468-2-27
DIN EN 60068-2-30
+ 3 more
Railway pantographs — requirements for m
− Volumen von strömenden Gasen
bzw. Volumen von
200 m³/h
Durchflussmessgrößen 8 m³/h
+ 3 more
DIN EN ISO 6888-2
DIN EN ISO 21528-2
DIN EN 61442
ISO 937
DIN 51444
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Digitoxin
Digoxin
HbA1c
Cortisol
Estradiol (E2)
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Vintec Laboratories
Active
(HSG 248) – 2021
(PCM) based on HSG 248
P052 based on HSG 248
VirHealth
Active
DIN EN 14349
DIN EN 1656
DIN EN 14476
DIN EN 16777
DIN EN 17111
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Vismederi Life Sciences Srl
Active
ISO 4832
ISO 21527-1
ISO 21527-2
DIN ISO 16649-2
DIN EN ISO 4833-1
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Vistec Electron Beam
Active
Winkel
> 10 µm
Position
− Permanentes Laboratorium
Positionen und Abstände
+ 3 more
See CU-UK-DTA-5 | Holland kits
WAAGEN-SANDER
Active
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
Radiated emissions (CISPR 32)
− Waagen
Optoelektronische
+ 1 more
WATER & LIFE LAB
Active
ISO 22241-2
DIN EN 16802
DIN EN ISO 3960
DIN EN 27888
DIN EN ISO 16634-1
+ 3 more
WENZEL Metrology
Active
Group S.A., Meylan, F
Polyworks, Software von
Koordinatenmessgeräte
Metrologic, Software von
von <7000 mm
+ 3 more
DIN EN 932-1
DIN EN 932-2
DIN EN ISO 22476-2
DIN 19682-2
DIN ISO 16000-21
+ 3 more
UNE 73109
IEC 60780 (1998)
UNE 73109 (2001)
ISO 28218
ISO 27048
monitoring and BS EN 15259:2007
LUC/III/001 en LUC/III/006 afgeleid van
LUC/IV/000 afgeleid van EN 13649
LUC/0/004 LUC/0/002 LUC/0/003 afgeleid v
NF EN 15259
+ 1 more
WIKA Alexander Wiegand SE &
Active
Railway braking — urban guided transport
Railway vehicle body structural requirem
- Direktanzeigende Thermometer
- Thermopaare, Thermoelemente
abs
+ 3 more
WIN Messmittel und Service
Active
Railway maintenance — track geometry (EN
DIN EN ISO 3650:1999
Bügelmessschrauben 0 mm
Messuhren
Feinzeiger
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