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
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CSTB - Grenoble
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DIN EN 1279-2
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DIN EN 12094-10
EN 1279-6 – Méthode de référence
DIN EN 14449
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CTK-Poliklinik
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Oligosaccharide
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Cannabinoide (THC-COOH)
Amphetamine
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DIN EN ISO 13934-1
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DIN EN ISO 13937-2
DIN EN ISO 13937-3
DIN EN 14682
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CTS Clima Temperatur Systeme
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Vickers hardness test (ISO 6507)
Temperaturmessgrößen –70 °C
Railway braking — urban guided transport
Thermometer mit > –40 °C
Widerstandssensor *
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DC VOLTAGE
DC Resistance
DC CURRENT
AC Current Generation
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Campbell Associates
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Sound Calibrators
FREQUENCY
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based:
½” & ¼” microphones @ 250 Hz
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BS ISO 488:2008, 2446:2008 and
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BS 696-2:1989 (superseded and
BS ISO 6731:2010
ISO BS EN 3727-1:2002
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Electrolytes in blood serum:
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(Chlamydia pneumoniae, Mycoplasma
urine:
Hormones in blood serum:
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Carl Zeiss
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DIN EN 60601-1
IEC 60601-1
DIN EN 60601-1-1
IEC 60601-1-1
IEC 80601-2-77
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Carl Zeiss IQS Deutschland
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Carl Zeiss Industrielle ≤ 3818 mm
Oberkochen, D
1) In den CMC sind die erweiterten Messu
Carl Zeiss Industrielle ≤ 20 m
Auswertesoftware Messvolumen mit
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Parallelendmaße 50 mm
DIN EN ISO 3650:1999
Thermischer Ausdeh- Maximale Dimension
Bandbreite
Höhe: 80 mm
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Carl Zeiss Jena
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DIN EN 61010-1
VDE 0411-1
IEC 61010-1 : 2010
DIN EN 60825-1
VDE 0837
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Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
Parallelendmaße * 40 mm
Parallelendmaße * ≥ 100 mm
Strichmaßstäbe 0 mm
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(cdt), Deletion an Pos 117
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(PCM) based on HSG 248
BS 6068-4.12:1998 (withdrawn)
CeGaT
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angeborener Chromosomensatz
(Imbalancen im Genom, (Duplikationen/Del
SNRPN-Region 15q11-13 UPD15
(UBE3A)
SMN1; Spinale Muskelatrophie
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Cenata
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Pränatales Screening auf
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Chamois Metrology
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Calibration of pressure
Gas pressure (gauge)
Gas Pressure (Differential)
common mode pressure of 3.5
Hydraulic pressure (gauge)
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Whole genome sequencing (WGS:
SNV, CNV/SV)
Thyreoidea stimulierendes
(TSH)
17-α-OH-Progesteron
(17-OH-P)
Immunreaktives Trypsin
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Liquid-in-glass thermometers
ASTM D4052 (Digital density
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Leukozytenzahl
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HLA-DR
Leukozytensubpopulationen
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DIN 38402-A 13
DIN ISO 5667-5 (A 14)
DIN 38402-A 30
DIN 19643-1
ISO 5667-11
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