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
🇩🇪
DIN EN 13262
🇬🇧
BS EN 13262
🇫🇷
NF EN 13262
🇮🇹
UNI EN 13262
🇪🇸
UNE EN 13262
🇳🇱
NEN EN 13262
1,399
Accredited labs
17
Countries
Showing 926–950 of 1,399 labs
Polytest Ingenieure
Active
DIN EN ISO 9934-1
DIN ISO 815-1
DIN ISO 815-2
DIN ISO 4593
DIN EN 50178: 1998
+ 3 more
Poulten Selfe and Lee
Active
TEMPERATURE
Viscosity constant ‘C’
Reference viscometers:
ASTM D4052 (Digital density
Power Diagnostix Systems
Active
Impulsladung
Anstiegszeit
Impulsdauer
Wechselspannung 1 V
> 1,1 kV
+ 3 more
Differentialblutbild
Erythrozyten
Hämatokrit
Leukozyten
Retikulozyten
+ 3 more
External (Tip) Diameter
Helix (lead) total deviation (F
GEARS SPUR/HELICAL EXTERNAL (cont’d)
As for Involute Spline Gauges
HbA1c
Automatisches Blutbild
Leukozyten
Normoblasten
Retikulozyten
+ 3 more
Calcium
Bilirubin gesamt
Creatinkinase-Muscle-Brain
TPZ nach Quick
Immunglobulin A
+ 3 more
Vickers hardness test (ISO 6507)
Frost- / Taupunkt- –90 °C
Taupunkttemperatur
Taupunktspiegel, –80 °C
–60 °C
+ 3 more
ProfEC Ventus
Active
IEC 61400-12 Ed.1 *
IEC 61400-12-1 Ed.3 *
IEC 61400-12-3 Ed.1 *
IEC 61400-12-4 Ed.1 *
IEC 61400-12-5 Ed.1 *
+ 3 more
ISO 6579-1
ISO 15213-2
ISO 11290-1
ISO 7932
F100 based on BS EN ISO
+ 3 more
Pullman Instruments (UK)
Active
DC CURRENT
Measurement
DC VOLTAGE
AC Current Generation
DC RESISTANCE (cont’d)
+ 3 more
QIMA Testing (Germany)
Active
DIN EN 16711-2
DIN EN 16711-1
IEC 62321-2
DIN EN 12472
DIN CEN ISO/TS 16179
+ 3 more
QMK
Active
Gleichspannung 10 mV
Quellen > 120 mV
Vorverstärker > 1,2 V
> 12 V
> 120 V
+ 3 more
QS-Grimm
Active
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
Zylindrische Normale 1 mm
Innenzylinder *
> 100 mm
+ 3 more
QUALILAB
Active
EN 12966: 2014 Section 4.5.4
DIN EN 55025: 2018
DIN EN 60068-2-30
(CISPR 25:2002) Section 6
ISO 11452-4: 2020
+ 3 more
ISO 13320
VDE 414-9-11
NF V08-250
ISO 19343
DIN EN ISO 7899-1
+ 3 more
Qopas
Active
Koordinatenmessgeräte geräte mit einem
Chorus, Help-PJM von
DEA Hexagon Metrology
S.p.A., Turin, I
Associates EMS Products, ≤ 1500 mm
+ 3 more
Quality Consultants (NI)
Active
(HSG 248) – 2021
(PCM) based on HSG 248
QSOP 03 based on HSG 248
Quality in Progress Srls
Active
ISO 18787
DIN EN ISO 6888-1
DIN EN ISO 10304-1
ISO 4832
DIN EN ISO 18593
+ 3 more
ISO 4832
DIN EN ISO 5764
ISO 16649-2
ISO 18593
DIN EN ISO 6579-1
+ 3 more
R-TECH Services
Active
ÖNORM EN ISO 17637
BS EN ISO 15614-1:2017
ASTM A 370
DIN EN 10080
BS EN ISO 9015-1:2011
+ 3 more
No matching labs found.