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
3,987
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21
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FASLAB SRL
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DIN ISO 16649-2
DIN EN ISO 4833-1
DIN EN ISO 18593
DIN EN ISO 11885
DIN EN ISO 15587-2
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FCBA - Bordeaux
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ISO
(CD45/CD19/CD5/CD20/CD23/CD20
(NM_000384: c.1-c.82)
DIN EN ISO 9239-1
EN ISO 1716
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DIN EN 62196-1: 2015
DIN EN 27888
DIN EN 12350-1
DIN EN 12350-6
DIN EN 12390-2
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FGH Engineering & Test
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DIN EN 60529
VDE 0470-1
DIN IEC 60060-1
IEC 60529: 1989
IEC 60282-1: 2020-04
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Salt spray / neutral salt fog test (ISO
Radiated emissions (CISPR 32)
Railway braking — urban guided transport
Railway vehicle body structural requirem
Railway maintenance — track geometry (EN
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FIAMM Energy Technology
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ASTM D 5034-21
IEC 61427-1
IEC 60896-21: 2004 6.4
CEI EN 60896-11
IEC 60896-11
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FIGIT Srl
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APAT CNR IRSA 2060 Man 29 2003
CNR IRSA 1 Q 64 Vol 3 1985
APAT CNR IRSA 4020 Man 29 2003
APAT CNR IRSA 3010 A
FILK Freiberg Institute g
Active
rs2066844
rs2066845
ISO 3795
DIN 75200
ASTM D 5132
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COI/T.20/Doc n 35/rev 1 2017
COI/T.20/Doc n 33/rev 1 2017
COI/T.20/Doc n 34/rev 1 2017
COI/T.20/Doc n 19/rev 5 2019
ISO 22241-2
DIN EN 16802
ISO 17712
ISO 17704
DIN EN 13040
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FMA FELB FORGING GROUP SPA
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 6506-1
DIN EN ISO 643
DIN EN ISO 6508-1
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FOMAS
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 6507-1
DIN EN ISO 6892-2
ASTM E 23-18
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ISO 4832
DIN ISO 16649-2
DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 6888-2
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BS EN 15662
ISO 16649-2
DIN EN 12396-2
AOAC 998.12 2013
EN 16466-1
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FOOD WAY SRL
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DIN EN ISO 4833-1
DIN EN ISO 21528-2
ISO 21528-2
ISO 4833-1
UNI 03
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FORGE FEDRIGA
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 6506-1
DIN EN ISO 6507-1
DIN EN ISO 643
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FRAMATOME - Saint-Marcel
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Tensile testing of metallic materials (I
Charpy impact test (ISO 148-1)
DIN EN ISO 4136
DIN EN ISO 5173
DIN EN ISO 9016
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FRD-CODEM
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DIN EN ISO 12571
DIN EN ISO 16535
DIN EN ISO 29767
DIN EN 1609
DIN EN 12664
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CEM DI-013
UNE 17-710-78
FRENCO
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0,1 pF
510 mm
> 10 mm
Verzahnungsmessgrößen Grundkreisdurchmes
F α 15 mm
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UNE-EN 12207
UNE-EN 12208
UNE-EN 12210
UNE-EN 408
UNE-EN 438-2
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FUNDACION TEKNIKER
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Technical cleanliness of fluid system co
ISO 4967
ASTM B 117
ASTM E45
ISO 5667-10
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FUNDACIÓN CENER
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ISO 9459-5
ISO 9806
DIN EN 12976-1
DIN EN 12976-2
IEC 61215-2
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EN 13129
EN 14813-1
EN 14813-2
EN 14750-1
EN 14750-2
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