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
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Showing 276–300 of 3,987 labs
DIN EN ISO 13366-2
ISO 9622
ISO 13366-2
UNI 11981
EPPO PM 7/24 rev 5 2023 Appendix 5
EPPO PM 7/20 rev 3 2022 Appendix 9
SFN DTU n.11 r.0 2022
EPPO PM 7/120 rev 2 2021
APAT CNR IRSA 2030 Man 29 2003
APAT CNR IRSA 2060 Man 29 2003
DIN EN 27888
DIN EN ISO 11885
DIN EN 14039
DIN EN ISO 16703
DIN EN 12457-2
+ 3 more
Railway braking — urban guided transport
Railway bogies — wheelsets and bogies st
Railway vehicles — gauge limits (UIC 505
- Gleichspannung
- Gleichstromstärke
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Air Surveys
Active
ASB/SOP/OM8 based on HSG 248
(HSG 264, 2012)
(HSG 248) – 2021
(PCM) based on HSG 248
(PCM) based on HSG 248)
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(HSG 264, 2012)
(HSG 248) – 2021
(PCM) based on HSG 248
AEC 1 based on HSG 248
AEC 6 based on HSG 248
Airbus Defence and Space
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Sound power — in-situ using reference so
- Gleichspannung
- Kapazität
Quellen
100 nF
+ 3 more
Airtech Analysis
Active
(HSG 264, 2012)
Surveying for asbestos in premises
(HSG 248) – 2021
staining based on HSG 248
(PCM) based on HSG 248
DIN EN 27888
DIN EN 932-1
DIN EN 932-2
DIN EN 933-1
DIN EN 933-3
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Akustikberatung Wiemers
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Sound intensity — scanning method (ISO 9
Acoustics — estimation of noise-induced
Sound system equipment — speech transmis
Vibration measurements near traffic — me
Vibration measurements near traffic — ev
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Salt spray / neutral salt fog test (ISO
ISO 6270-2
ASTM D 522
ISO 2813
ISO 16474-2
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Al.eco
Active
ISO 4832
DIN ISO 16649-2
DIN EN ISO 4833-1
DIN EN ISO 19458
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Alchim Società Cooperativa
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DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 11290-1
DIN EN ISO 21528-2
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Alfatestlab srl
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ISO 13320
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ISO 22412
BS ISO 9277:2010
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DIN EN ISO 16994
DIN EN 15408
DIN EN 16117-1
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Ali Lab Srl
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ISO 4832
ISO 15214
ISO 21527-2
DIN ISO 16649-2
DIN EN ISO 4833-1
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Alimentary Innervations
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Breath Tests (13C Urea, Acetate, Octanoi
Postal and In Clinic Breath Tests – Foil
Lower GI | Biofeedback Therapy
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Alimenti e Ambiente Srl
Active
DIN EN 27888
ISO 4832
ISO 21527-1
ISO 21527-2
DIN ISO 16649-2
+ 3 more
Allgäuer Messzentrum
Active
Salt spray / neutral salt fog test (ISO
510 mm
elektronische Waagen
(Härteskalen HV0,01
Durchmesser 1 mm
+ 3 more
Allied Aerosystems
Active
(enzephalomyopathische Form
DC Resistance
Hydraulic pressure (gauge)
TEMPERATURE
DC VOLTAGE
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