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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Fettsäureprofil der
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Eosinophile, Basophile, MCV, MCH)
Retikulozyten
Urinsediment
Elektrolyte (Kalium, Natrium, Chlorid)
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IMPELAB
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DIN EN ISO 7932
DIN EN ISO 6579-1
DIN EN ISO 7937
DIN EN ISO 11290-1
0.95) based on BS ISO 21527-2:2008
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DIN EN 61347-2-11
IEC 61347-2-11
IEC 61000-4-11: 2004
DIN EN 61347-2-13
ISO 7637-2
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IMQ SpA
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DIN EN 62053-23: 2017-09
DIN EN ISO 11816-1
IEC 62109-1
IEC 60598-2-2
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IEC 61000-3-2: 2014
VDE 0838-2
IEC 61000-3-3
VDE 0838-3
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INERCO INSPECCIÓN Y CONTROL
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UNE-EN 15259
UNE-EN 13284-1
UNE 77225
EPA 8
UNE 77227
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INOVALYS - Site de Nantes
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NF V 05-116
NF V 04-415
NF V 04-407
NF V04-403
NF V04-401
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INOVALYS - Site de Vannes
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NF V08-106
DIN EN ISO 17294-2
DIN EN ISO 21528-2
ISO 19343
NF T90-105-2
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Plasma, Serum, Plasma 0,5 mmol/L
Plasma, Serum, Plasma 50 mmol/L
Plasma, Serum, Plasma
Material
Urin
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INSTITUT MECASEM
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(BS EN ISO 6892-1: 2019)
ASTM E8/E 8M
DIN EN 10002-1
ASTM E8 et E8M
DIN EN 2002-001
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DIN EN ISO 7932
DIN EN ISO 22964
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UNE-EN 826
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UNE 73350-1
UNE 73311-5
ISO 11665-4
UNE 31010
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IEC 61000-4-13: 2002
DIN EN 50121-3-2
IEC 61000-3-2: 2014
DIN EN 60601-1-2
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DIN EN 1040
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DIN EN 14561
IEC 60127-6
DIN EN 13727
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CEM ME-003
EURAMET cg-17
CEM ME-010
Ground-borne noise and vibration from ra
UNE-EN ISO 16911-1
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INTERTEK France
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DIN EN ISO 1833-6
DIN EN ISO 1833-2
DIN EN ISO 1833-7
DIN EN ISO 1833-1
DIN EN ISO 1833-20
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ASTM D 5191
ASTM D2270
ASTM D 130
ASTM D 97
UNE-EN ISO 2160
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IEC 62271-1: 2017-07
DIN EN 62271-1
VDE 0671-1
IEC 62271-100: 2021
VDE 0671-100
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DIN EN 1230-1
EN 1230-2
DIN 10955
DIN ISO 8784-1
DIN 54378
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