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
🇧🇪 NBN EN 13262 🇩🇪 DIN EN 13262 🇬🇧 BS EN 13262 🇫🇷 NF EN 13262 🇮🇹 UNI EN 13262 🇪🇸 UNE EN 13262 🇳🇱 NEN EN 13262
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Drägerwerk AG & Co. KGaA Product Qualification Kalibrierlabor

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DAkkS D-K-11250-01-00 Lübeck, DE
Railway pantographs — requirements for m Railway overhead lines — pantograph head positiver Überdruck Volumendurchfluss dV/dt von + 3 more
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Drägerwerk AG & Co. KGaA Product Qualification, Prüflabore

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DAkkS D-PL-11250-01-01 Lübeck, DE
DIN EN 60601-1 IEC 60601-1 DIN EN 60601-1-1 IEC 60601-1-1 DIN EN 60601-1-4 + 3 more
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Duravit

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DAkkS D-PL-21217-01-00 Hornberg, DE
(-13910T>C) rs4988235 - PiM rs6647, PiZ rs28929474, rs17580 Laktoseintoleranz (LCT -14055 *6095991, BAG3 [OMIM *6038831 ISO 11452-8: 2015 + 3 more
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E & C Testlab GmbH (Engineering & Certification Testlab GmbH)

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DAkkS D-PL-19366-01-01 Trossingen, DE
ISO 20653 DIN EN 60068-2-14 DIN EN 60068-2-30 DIN EN IEC 60068-2-38 DIN EN 60068-2-64 + 3 more
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E C L (2000)

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UKAS 0709 Forest Hall, GB
(HSG 248) – 2021 (PCM) based on HSG 248)
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E-T-A Elektrotechnische Apparate

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DAkkS D-PL-12144-01-01 Altdorf, DE
VDE 0468-2-1 DIN EN IEC 60068-2-11 DIN EN IEC 60068-2-13 DIN EN 60068-2-14 VDE 0468-2-14 + 3 more
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E. ZOLLER GmbH & Co. KG Einstell- und Messgeräte

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DAkkS D-K-18994-01-00 Pleidelsheim, DE
/ Messgeräte verwendete Abkürzungen: Volumenmessgeräte optische 0 mm Werkzeugeinstell- und + 1 more
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E.D.P. Soc. Coop.

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ACCREDIA 00742 Catania, IT
ISO 4832 DIN EN ISO 4833-1 DIN EN ISO 17141 ISO 11731 ISO 11290-1 + 3 more
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DIN EN 27888 DIN EN ISO 4833-1 DIN EN ISO 11885 DIN EN 13657 DIN EN ISO 10523 + 3 more
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ACCREDIA 00575 Monte di Malo, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 4136 DIN EN ISO 9016 DIN EN ISO 6507-1 + 3 more
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ECO - SERVIZI 2

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ACCREDIA 00886 Spoltore, IT
DIN EN 27888 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 18593 DIN EN ISO 11885 + 3 more
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ECO CONTROL GROUP

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ACCREDIA 01396 Villa San Pietro, IT
DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 21528-2 DIN EN ISO 18593 DIN EN ISO 11885 + 3 more
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ECO CONTROL LABORATORIO ASCOLANO

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ACCREDIA 00623 FERMO, IT
DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 6888-2 DIN EN ISO 7932 DIN EN ISO 11290-1 + 3 more
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ECO-FOOD ANALISI S.R.L.S.

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ACCREDIA 01231 Vallata, IT
DIN EN ISO 21528-2 DIN EN 13657 ISO 11731 ISO 21528-2 ISO 6222 + 3 more
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ECOALIMENTA SRL

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ACCREDIA 00829 Balvano, IT
ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 + 3 more
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ACCREDIA 00523 Orbassano, IT
ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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ACCREDIA 00218 Vicenza, IT
DIN EN 12880 DIN EN 13126-19 DIN EN ISO 15587-2 DIN EN 13657 DIN EN 14346 + 3 more
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ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 7932 + 3 more
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ACCREDIA 00756 Caraffa di Catanzaro, IT
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DIN EN 12662-1 DIN EN 15984 IEC 60512-17-1 ISO 4832 DIN ISO 16649-2 + 3 more
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ACCREDIA 00657 Grosseto, IT
ISO 18787 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
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ACCREDIA 00590 Quart, IT
ISO 4832 DIN EN 846-7 ISO 11731 ISO 16649-2 ISO 11290-1 + 3 more
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ECOGEOLAB S.R.L. - a socio unico

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ACCREDIA 01023 Bergamo, IT
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ECOL STUDIO SpA

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ACCREDIA 00114 Lucca, IT
dbSNP rs1800562, rs1799945, rs1800730, r DIN EN 27888 DIN EN ISO 19458 DIN EN 13126-19 DIN EN 1104 + 3 more
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Industries

Wheelset and bogie manufacturing Rolling stock design and engineering Track maintenance and infrastructure management Vehicle certification and type approval Railway research and development

Related Standards

  • UIC 510-2 Railway vehicles — Running gear — Wheels and wheelsets — Part 2: Definitions and gauges
  • EN 13262 Railway applications — Wheelsets and bogies — Safety requirements for wheels
  • UIC 644 Railway — behaviour of coach bogies — Y25 bogie type

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