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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(2,2 ± 0,1) ⋅ 10-2 mol/mol (99,5 ± 0,5)
(15 ± 5) ⋅ 10-6 mol/mol (100 ± 5) ⋅ 10-6
(7,5 ± 0,2) ⋅ 10-2 mol/mol (15 ± 0,5) ⋅
REACTIVA LABORATORIO
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Machinery vibration — industrial machine
UNE-EN ISO 6222
UNE-EN ISO 9308-1
UNE-EN ISO 7899-2
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RECYCLA
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DIN EN ISO 10523
DIN EN 14346
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REHAU Industries SE &
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20 HR10/60
17 I/D rs1799752
6/7 - Polymorphismus rs3064744
AH7921
AK gegen BP 180
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REINOVA
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9
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
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RENOTEC nv
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UNE-EN 12504-1
DIN EN 13892-8
NBN EN 13508-2 (Codering)
NBN B-34-001
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RESCOLL - Pessac
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DIN EN ISO 6888-2
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RICOTEST
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DIN EN ISO 16212
DIN ISO 1817
DIN EN ISO 13934-1
DIN EN 17092-2
DIN EN 13594
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Tensile testing of metallic materials (I
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DIN EN ISO 6508-1
ISO 13320
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RINA CONSULTING
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BS EN ISO 17892-1:2014+A1:2022
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BS EN ISO 17892-4:2016
BS EN ISO 17892-8:2018
BS EN ISO 17892-2:2014
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RIO
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Normale
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
gen von Werkstoffprüf- > 200 mm
> 300 mm
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RIVACOLD SRL
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Sound power — engineering method using a
DIN EN 14511-2
DIN EN 14511-3
DIN EN 14511-4
DIN EN 14825
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Charpy impact test (ISO 148-1)
DIN EN ISO 4136
DIN EN ISO 5173
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NF X 43-050
NF X 43-269
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ROEFS nv
Active
NBN EN 13508-2 (Codering)
NBN B-34-001
BEFDSS-DP-vm (Uitwisselingsformaat)
BEFDSS S -vm (uitwisselingsformaat)
SB 250 Hoofdstuk Rioleringen en afvoer v
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ROTA YOKOGAWA
Active
Durchfluss von
1) In den CMC sind die erweiterten Messu
− Durchfluss von Flüssigkeiten
dV/dt
verwendete Abkürzungen:
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IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
IEC 61000-4-6: 2013
+ 3 more
Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Klimaschränke
Klimaschränken
Relative Feuchte 10 % bis
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RST Rail System Testing
Active
1·10 -5
DIN EN ISO 17638
DIN EN ISO 9934-1
ISO 9772
DIN EN ISO 4589-2
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UNE-EN 17446
UNE-EN 14972-3
EN 14972-4
UNE-EN 14972-8
UNE-EN 14972-14
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