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
Countries
Showing 3,151–3,175 of 3,554 labs
Railway brake — magnetic track brakes (U
- Gleichspannung
auch Vor-Ort Kalibrierung
Kraft
100 kN
+ 3 more
ID280
DIN EN ISO 2812-1
DIN EN ISO 2813
IEC 60335-1: 2010
IEC 61131-2: 2020
+ 3 more
VDI/VDE/DGQ 2618
DIN EN 50155
VDE 0115-200
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
+ 3 more
229600 (A150P u. A175
DIN EN 10160
DIN EN ISO 16810
DIN EN ISO 13588
DIN EN ISO 17637
+ 3 more
Railway braking — urban guided transport
Railway vehicle body structural requirem
Gleichstrom- und Niederfrequenzmessgröße
- Gleichspannung
- Gleichstromstärke
+ 3 more
DIN EN 12102-2
DIN EN 1728
DIN EN 1729-2
DIN 4547-1
DIN 4547-2
+ 3 more
UCL Umwelt Control Labor
Active
DIN EN ISO 12937
DIN EN 27888
DIN EN 12879
DIN EN ISO 19458
DIN EN 932-1
+ 3 more
ISO 18787
ISO 4832
ISO 21527-1
ISO 21527-2
DIN EN ISO 4833-1
+ 3 more
NBN EN 12390-3
NBN EN 12504-1
NBN B 15-215
Proefmachines in druk (in situ)
Voorspanapparatuur in trek (in situ)
+ 3 more
Cryptococcus neoformans
Hepatitis B-e-Antigen
Mumps IgG
Coronavirus 229E
Coronavirus HKU1
+ 3 more
Cryptococcus neoformans
Hepatitis B-e-Antigen
Linezolid
Mumps IgG
Coronavirus 229E
+ 3 more
Streptococcus pneumoniae
Enterobacteriaceae
Hepatitis-B-surface-Antigen
Hepatitis B-e-Antigen
Adenovirus
+ 3 more
ISO 4832
ISO 11731
DIN EN ISO 4833-2
ISO 16649-2
ISO 11290-2
+ 3 more
HACEK
Streptococci
Staphylococci
Measurement
Acinetobacter spp.
+ 3 more
agents provided by associated for the pu
agents provided by associated for the pu
agents provided by associated for the pu
agents provided by associated intended f
agents provided by associated intended f
+ 3 more
UL International (UK)
Active
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
IEC 61000-4-6: 2013
+ 3 more
UL International Germany
Active
IEC 61000-4-2: 2008
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
IEC 61000-4-6: 2013
IEC 61000-4-8: 2009
+ 3 more
UL International
Active
ISO 14708-1
ISO 14708-7
DIN EN ISO 11737-2
DIN EN ISO 17141
DIN EN ISO 17405
+ 3 more
UL International Italia Srl
Active
Salt spray / neutral salt fog test (ISO
9
DIN EN IEC 60068-2-11
DIN EN 60068-2-14
DIN EN 60068-2-30
+ 3 more
DIN EN 27888
DIN EN ISO 17294-2
ISO 11731
DIN EN 17892
DIN EN ISO 10304-4
+ 3 more
UNIMA Präzisionsmaschinen
Active
0,1 pF
Messschieber für 0 mm
Außen-, Innen- und
Bügelmessschrauben 0 mm
Feinzeiger
+ 3 more
UNIMETRIK
Active
CEM DI-012
CEM DI-008
CEM DI-021
CEM DI-005
UNE-EN ISO 10360-2
+ 3 more
UNE-EN 60947-5-1
UNE-EN 81-1
UNE-EN 81-2
UNE-EN 81-50
UNE-EN 81-20
+ 3 more
UNIVERSITAT DE GIRONA
Active
UNE-EN ISO 10523
UNE EN 27888
UNE-EN 872
UNE-EN ISO 6878
UNE-EN 25663
+ 3 more
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