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 351–375 of 3,987 labs
(PCM) based on HSG 248
M3 based on HSG 248
(HSG 248) – 2022
UP02 based on HSG 248
UP03 based on HSG 248 and HSG
Ashcroft Instruments
Active
> 2,0 bar
positiver Überdruck
Absolutdruck Pabs
> 0,03 bar
> 7 bar
+ 3 more
Aspect Quality
Active
Salt spray / neutral salt fog test (ISO
ISO 16750-5
VDE 0468-2-1
DIN EN IEC 60068-2-5
VDE 0468-2-5
+ 3 more
ISO 4833-2
based on ISO 13366-2:2006
ISO 14675
UNI 10935
UNI 10934
+ 3 more
DIN EN ISO 5983-2
ISO 18787
ISO 21527-1
DIN EN ISO 4833-1
DIN EN ISO 6888-2
+ 3 more
based on ISO 13366-2:2006
ISO 9622
ISO 13366-2
AOAC DSM Delvotest SP-NT Visual n 011102
ISO 4832
DIN EN ISO 6888-2
ISO 6222
ISO 7899-2
ISO 9308-1
+ 3 more
BS EN 15662
UNI EN 15662
COI/T.20/Doc n 35/rev 1 2017
COI/T.20/Doc n 34/rev 1 2017
COI/T.20/Doc n 19/rev 5 2019
+ 1 more
AstraZeneca UK
Active
Betriebsübertragungsmaß
Hydraulic pressure (gauge)
AC CURRENT
RELATIVE HUMIDITY
DC CURRENT
+ 3 more
(PCM) based on HSG 248
Analysts’ Guide (HSG 248)
(HSG 248) – 2021 Asbestos: The
Railway braking — urban guided transport
Railway — traction effort and braking fo
mentschraubwerkzeuge
Druckkraftrichtung
0,2 N∙m
+ 3 more
DIN EN ISO 1463
DIN EN ISO 6270-2
DIN EN ISO 22479
DIN EN 60243-1
ISO 6270-2
+ 3 more
AttoDiagnostics
Active
OMIM*601129, CYP2C9
OMIM*601130, CYP2C19
OMIM*108330, CYP1A2
OMIM*124060, CYP2B6
OMIM*123930, CYP2C8
+ 3 more
Autostrade per l'Italia
Active
DIN EN 933-1
DIN EN 12697-1
DIN EN 12697-2
DIN 51436
DIN EN ISO 13473-1
+ 3 more
Ayerst Environmental
Active
(PCM) based on HSG 248
(HSG 248) – 2021 )
Surveying) based on HSG 248
DIN EN 27888
ISO 11731
ISO 16266-2
ISO 10304-1
ISO 6222
+ 3 more
ISO 21527-1
ISO 21527-2
DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 7932
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Azienda Sanitaria di Messina, Dipartimento della Prevenzione, U.O.C. Laboratorio di Sanità Pubblica
Active
DIN EN ISO 10304-1
VDE 414-9-11
ISO 11731
ISO 10304-1
ISO 6222
+ 3 more
ISO 6222
ISO 7899-2
ISO 9308-1
BS EN ISO 17294-2
Rapporti ISTISAN 2007/31 pag 55 Met
+ 1 more
B + B Thermo - Technik
Active
Railway braking — urban guided transport
Railway vehicle body structural requirem
Railway bogies — wheelsets and bogies st
Temperaturmessgrößen
mitter mit Thermo- > 550 °C
+ 3 more
BAE SYSTEMS (Operations)
Active
DIN EN 60068-2-14
DIN EN 60068-2-18
DIN EN 60068-2-78
IEC 60068-2-18
IEC 60068-2-64
+ 3 more
BAE Systems Marine
Active
Betriebsübertragungsmaß
DC Resistance
Hydraulic pressure (gauge)
TEMPERATURE
Measurement
+ 3 more
BALLUFF
Active
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
IEC 61000-4-6: 2013
IEC 61000-4-8: 2009
+ 3 more
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