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
3,554
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Pendragon Scientific
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TEMPERATURE
TIME INTERVAL
ROTATIONAL SPEED
loggers
GAS CONTENT
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Pennington Choices
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(HSG 264, 2012)
Executive guides HSG 264 (2012)
and Appx. 3 of HSG 227 (2004))
Perry Analytical
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(HSG 248) – 2021
(PCM) based on HSG 248
Manual based on HSG 248
Plasma cells | CD138
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Quantification of: | Roche Cobas 8000 sy
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Urine Detection of: | Abbott BinaxNOW
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Governance Manager
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Poulten Selfe and Lee
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TEMPERATURE
ASTM D4052 (Digital density
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Poundbury Cancer Centre
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Mycobacterium tuberculosis
CD117
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Human tissue samples/ | Detection of Her
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External (Tip) Diameter
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As for Involute Spline Gauges
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anti-HBc total
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ISO 11290-1
ISO 6579-1
ISO 7932
ISO 15213-2
W080 based on BS EN ISO
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Pullman Instruments (UK)
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DC VOLTAGE
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DC CURRENT
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Quality Consultants (NI)
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(HSG 248) – 2021
(PCM) based on HSG 248
QSOP 03 based on HSG 248
Blizard Institute Core Pathology
incisional biopsies and surgical identif
Histopathological examination of fixed a
incisional biopsies and surgical identif
incisional biopsies and surgical identif
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Iron
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Special stains for the detection of: Gra
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Queen’s University Belfast
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Queen’s University Belfast
Tissue Dehydration Clearing and Mounting
Tissue Dehydration Clearing and Mounting
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Formalin Fixed Paraffin Embedded Immunoh
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R-TECH Services
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delA, 2615_2617 delAAG, 2850
DIN 51603-1
ISO 15835-2
DIN EN 10200
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Ramcare
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thermometer Pt100
Hydraulic pressure (gauge)
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Ransomes Jacobsen
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Sound power — engineering method using a
DIN EN IEC 62841-4-3
ISO 5395-1
ISO 5395-2
ISO 5395-3
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