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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21
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IEC 60512-17-1
DIN EN ISO 16634-1
ISO 18787
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OIV-MA-AS312-01
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TERANA PUY-DE-DOME
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DIN EN 27888
ISO 4832
ISO 15214
ISO 21527-1
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TES Time Elektronik Struck
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Vickers hardness test (ISO 6507)
Railway brake — magnetic track brakes (U
Railway braking — urban guided transport
Elektrische Messgrößen
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DIN EN 14389
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DIN EN ISO 10523
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TESTINGPOINT 10 S.u.r.l.
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ISO 4832
ISO 21527-1
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DIN EN ISO 11290-2
DIN EN 13126-19
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TESTINGPOINT 3 SRL
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ISO 18787
ISO 4832
ISO 15214
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TESTPACK bv
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ISO 535
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ISO535 (2014)
ISO 16495 Annex I
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DIN EN ISO 11885
DIN EN 13657
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DIN EN 14039
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Faktor XIII-Gen rs5985
DIN EN ISO 9239-1
DIN EN 1021-1
DIN EN 1021-2
ASTM E 1354
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Reticulin | HIS-73
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THOR ESPECIALIDADES
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IEC 60127-6
DIN EN 13697
DIN EN 1650
DIN EN 17658
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Acoustics — tonality assessment (DIN 456
messeinrichtungen von
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Länge (WPM)
1) In den CMC sind die erweiterten Messu
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TLAB
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DIN EN 13126-19
DIN EN ISO 15587-2
DIN EN 13657
DIN EN ISO 17294-2
DIN EN ISO 9377-2
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DIN EN 15111
DIN EN 15763
DIN EN 16802
DIN EN ISO 3960
DIN EN ISO 3093
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Vickers hardness test (ISO 6507)
OMIM# 237500
ASTM D 2240
BS EN ISO 6508:2023
ISO 6507-2
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