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
🇬🇧
BS EN 13262
🇫🇷
NF EN 13262
🇮🇹
UNI EN 13262
🇪🇸
UNE EN 13262
🇳🇱
NEN EN 13262
1,399
Accredited labs
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Showing 951–975 of 1,399 labs
(2,2 ± 0,1) ⋅ 10-2 mol/mol (99,5 ± 0,5)
(15 ± 5) ⋅ 10-6 mol/mol (100 ± 5) ⋅ 10-6
(7,5 ± 0,2) ⋅ 10-2 mol/mol (15 ± 0,5) ⋅
5 mV ≤ U ≤ 10 V 10 V < U ≤ 1000 V
45 Hz ≤ f ≤ 60 Hz 10 mV ≤ U ≤ 10 V 10 V
100 µA ≤ I ≤ 400 mA 400 mA < I ≤ 10 A 10
300 mA ≤ I ≤ 15 A
45 Hz ≤ f ≤ 60 Hz 100 µA ≤ I ≤ 400 mA 40
+ 2 more
DIN EN ISO 9308-2
ISO 15705
VDE 414-9-11
ISO 16649-2
UNI 03
+ 3 more
DIN EN ISO 6508-1
ASTM E1019-24
ISO 13320
ISO 6892-2
(BS EN ISO 6892-1: 2019)
+ 3 more
RIO
Active
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
> 100 mm
> 500 mm
> 550 mm
+ 3 more
RMA Mess- und Regeltechnik
Active
Durchfluss von Gasen
Volumendurchfluss 50 m³/h
Railway brakes — brake performance (UIC
(Hochdruck Erdgas
5 bis 51 bar)
+ 1 more
ROTA YOKOGAWA
Active
Masse m strömender
− Durchfluss von Flüssigkeiten
Durchfluss von
1) In den CMC sind die erweiterten Messu
Massedurchfluss dm / dt
+ 3 more
RST Rail System Testing
Active
ISO 16750-5
ISO 20653
DIN EN ISO 2812-1
DIN EN ISO 2813
DIN EN ISO 6270-2
+ 3 more
Radiomotive
Active
ETSI EN 301 489-6
DIN EN 61326-2-6
IEC 61326-3-1
IEC 61326-3-2
IEC 60669-2-5
+ 3 more
Ramcare
Active
DC CURRENT
DC VOLTAGE
thermometer Pt100
ROTATIONAL SPEED
Generate
+ 3 more
Rhopoint Metrology
Active
(Steel and tungsten carbide)
LENGTH (cont’d)
pneumatic tyres (See Note 1)
LENGTH (cont.)
Plain plug gauges (taper)
+ 3 more
Richard L Thomas Associates
Active
(HSG 264, 2012)
HSG 264 (2012) and Appx. 3 of
HSG 227 (2004))
Appendix 5 of HSG 227 (2004))
(HSG 248) – 2021
OP11 based on HSG 248
(PCM) based on HSG 248
OP04 based on HSG 248
Robert Koch-Institut
Active
Salmonellen
Salmonella enterica, Shigellen, Yersinie
Shigellen
Salmonella sv. Paratyphi
Neisseria meningitidis, Listeria
+ 3 more
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
elektronische Waagen
1) In den CMC sind die erweiterten Messu
DIN EN ISO 12185
DIN EN ISO 3405
DIN EN 13016-1
DIN EN ISO 20884
DIN EN ISO 20846
+ 3 more
Spinocerebelläre Ataxien
Bindegewebserkrankungen: ACTA2, COL1A1,
HD; Chorea Huntington
(Huntingtin-Gen)
Dentatorubrale-Pallidoluysiane
+ 3 more
Rwanda Standards Board
Active
ISO 6222
AM09 based on BS ISO 21527-1:
ISO 6579-1
ISO 4832
ISO 2171
+ 3 more
S.E. CARBUROS METÁLICOS
Active
0,03 · 10-2 mol/mol C < 0,3 · 10-2 mol
0,3 · 10-2 mol/mol C 1,1 · 10-2 mol/
1,1 · 10-2 mol/mol ≤ C < 26 · 10-2 mol/m
1,1 · 10-2 mol/mol ≤ C < 26 · 10-2 mol/m
9 · 10-6 mol/mol C < 75 · 10-6 mol/mol
+ 3 more
Durchfluss von 2 m3/h bis 800 rn3/h
− Durchfluss von Flüssigkeiten
Volumendurchfluss
dV/dt von
strörnenden
+ 3 more
No matching labs found.