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
Accredited labs
21
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Showing 2,826–2,850 of 3,987 labs
Pullman Instruments (UK)
Active
DC VOLTAGE
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DC CURRENT
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Pöschl Tabak
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DIN EN 60068-2-43
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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
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QMK
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Railway maintenance — track geometry (EN
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QS-Grimm
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Railway maintenance — track geometry (EN
> −0,02 bar
Parallelendmaße * 0,5 mm
DIN EN ISO 3650:1999
1350 mm
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QU.A.S.A.R.
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DIN EN ISO 11885
DIN EN ISO 10304-1
DIN EN ISO 17294-2
DIN EN 13805
ISO 10304-1
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ISO 6270-2
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Qopas
Active
Koordinatenmessgeräte geräte mit einem
Chorus, Help-PJM von
DEA Hexagon Metrology
S.p.A., Turin, I
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Active
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DIN EN ISO 18203
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ISO 21527-1
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Blizard Institute Core Pathology
incisional biopsies and surgical identif
Histopathological examination of fixed a
incisional biopsies and surgical identif
incisional biopsies and surgical identif
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Iron
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Histopathological examination activities
Special stains for the detection of: Gra
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Queen’s University Belfast
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Queen’s University Belfast
Tissue Dehydration Clearing and Mounting
Tissue Dehydration Clearing and Mounting
Tissue FFPE slides | PMC-SOP-43
Formalin Fixed Paraffin Embedded Immunoh
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Questmed
Active
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ISO 14243-1
ISO 14243-2
ISO 14243-3
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Verified
R-TECH Services
Active
delA, 2615_2617 delAAG, 2850
DIN 51603-1
ISO 15835-2
DIN EN 10200
ASTM A 370
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DM 06/09/1994 GU n 288 10/12/1994
Reg CE 761/2009 23/07/2009 GU CE
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