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
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VDE 0468-2-11
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1) In den CMC sind die erweiterten Messu
DIN EN ISO 3650:1999
> 300 mm
Bügelmessschrauben 0 mm
Feinzeiger
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(p.Ala222Val); dbSNP rs1801133
dbSNP rs1801133 und rs1801131
EN ISO 11925-2
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verwendete Abkürzungen:
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DIN 38402-A 30
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Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
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Railway pantographs — requirements for m
Volumendurchfluss
Durchfluss von Gasen 25 m³/h
XEFRA SRL
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IEC 62279
DIN EN 60079-1
IEC 60079-1
DIN EN 60079-2
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