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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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
1,399
Accredited labs
17
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Showing 901–925 of 1,399 labs
Optical Test & Calibration
Active
DC Resistance
DC CURRENT
DC VOLTAGE
DC RESISTANCE (cont’d)
DIN EN 1264-5
DIN EN 13647
DIN EN 71-10
DIN EN 50642
DIN EN ISO 14184-2
+ 3 more
PAConsult
Active
DIN 55440-1
DIN EN 22248
DIN EN 868-5
DIN EN 22876
DIN EN ISO 2234
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UNE-EN 14363
UNE-EN 50367
UNE-EN 50317
UNE-EN 12663-1
DIN EN ISO 12185
ASTM D 4052
DIN EN ISO 3405
ASTM D 86
DIN EN 13016-1
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PHH Environmental (UK)
Active
HSG 227 (2004))
(HSG 264, 2012)
HSG 264 (2012) and Appx. 3 of
(HSG 248) – 2021
(PCM) based on HSG 248
Parallelendmaße aus 0,5 mm
Einstellringe aus Stahl *
nach DIN EN ISO 3650:1999
Keramik *
DIN EN ISO 3650:1999
+ 3 more
DIN EN 16019
DIN 50100
DIN EN 61373
IEC 61373
DIN EN 60310
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Railway brake — magnetic track brakes (U
− Kraft (WPM)
nur Vor-Ort-Kalibrierungen
Kraft (WPM) 0,1 kN
Vibration measuring instruments — test m
+ 3 more
IEC 60730-1: 2013
DIN EN 60730-2-8
IEC 61000-6-1
DIN EN 50131-2-3
DIN EN 60730-2-9
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rs11887534
HABP2-Gen (c.1601G>A) rs7080536
IEC 61924-2
DIN EN ISO 1974
DIN 53121
+ 3 more
Dosimetrie
Luftkerma
5 mGy
2 mGy
100 µGy
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Paragon Scientific
Active
Refractive Index
Capillary Viscometer Calibration
2.92 mm systems (continued)
Liquids
Density in Air at 20
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Particle Technology
Active
MIL-STD 810D, Method 510.2
MIL-STD 810E, Method 510.3
MIL-STD 810G:2008 Method 501.5
MIL-STD 810F, Method 510.4
MIL-STD-810H, Method 510.7
+ 3 more
Hämoglobin
Selen
Lithium
Zink
Eisen, Kupfer
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Pennington Choices
Active
(HSG 264, 2012)
and Appx. 3 of HSG 227 (2004))
Executive guides HSG 264 (2012)
Perry Analytical
Active
(HSG 248) – 2021
(PCM) based on HSG 248
Manual based on HSG 248
Perschmann Calibration
Active
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
> 100 mm
Sonderquerschnitt (rund
Parallelendmaße * > 100 mm
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Temperaturmessgrößen
Widerstandsnormal
thermometer (IPRT)
Zeiss Industrielle
Temperaturmessgrößen −35 °C
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Phoenix Contact
Active
Messschieber für 0 mm
Außen-, Innen- und
Tiefenmessschieber 0 mm
Bügelmessschrauben 0 mm
Messuhren
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