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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ift Rosenheim

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DAkkS D-K-11349-01-02 Rosenheim, DE
Vickers hardness test (ISO 6507) Railway brake — anti-slide device (UIC 5 Railway brake — magnetic track brakes (U Railway brakes — conditions for homologa Railway brakes — disc brake pads (UIC 54 + 3 more
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ift Rosenheim

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DAkkS D-PL-11349-01-01 Rosenheim, DE
N334K rs7840951 A>C rs34018205 ID179 OMIM# 614024 C-KIT Ex17 N822 + 3 more
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DAkkS D-PL-21129-01-03 Gießen, DE
10/1500 DIN EN ISO 19458 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 5667-3 (A 21) + 3 more
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imat-uve

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DAkkS D-PL-14052-01-01 Mönchengladbach, DE
Bauart wie GR 1482 17 I/D rs1799752 AK gegen BP 180 rs2066845 OMIM# 188400, 192430 + 3 more
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DAkkS D-K-15219-01-02 Helmstadt, DE
Vibration measuring instruments — test m Acoustics — tonality assessment (DIN 456 Whole-body vibration — evaluation of hum Railway braking — urban guided transport Railway vehicle body structural requirem + 3 more
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DAkkS D-K-19194-01-00 Idstein, DE
Railway brakes — disc brake pads (UIC 54 Railway pantographs — requirements for m abs > 2,0 bar Druck −1,0 bar + 3 more
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DAkkS D-K-19194-01-01 Idstein, DE
abs > 2,0 bar Druck −1,0 bar > 0,0 bar > 20 bar + 3 more
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iocto

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DAkkS D-K-21204-01-00 Hofheim am Taunus, DE
Railway braking — urban guided transport Railway braking — urban guided transport Railway vehicle body structural requirem abs direktanzeigende > 200 °C + 3 more
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ACCREDIA 00574 Gariga di Podenzano, IT
DIN EN ISO 4833-1 DIN EN 14039 DIN EN ISO 9377-2 DIN EN 13284-1 DIN EN 61482-2 + 3 more
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DAkkS D-ML-13067-01-00 Berlin, DE
HbA1c Estradiol (E2) Testosteron Creatinkinase (CK) Zink + 3 more
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muva kempten

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DAkkS D-PL-20469-01-01 Kempten, DE
DIN EN 15111 ISO 18787 DIN 10964 DIN EN ISO 4120 DIN EN ISO 6887-2 + 3 more
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pH SrL

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ACCREDIA 00069 Barberino Tavarnelle, IT
dbSNP rs1800562, rs1799945, rs1800730, r ISO 18787 ISO 4832 ISO 15214 ISO 21527-1 + 3 more
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qbig

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DAkkS D-K-21619-01-00 Leer, DE
Elektrische Messgrößen - Hochspannungsmessgrößen Volumendurchfluss − Hochspannungsmessgrößen Durchflussmess- 13 m³/h + 3 more
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seca

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DAkkS D-K-22590-02-01 Hamburg, DE
elektronische Waagen − Waagen nichtselbsttätige
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DAkkS D-K-21353-01-01 Manching-Oberstimm, DE
Railway braking — urban guided transport Railway vehicle body structural requirem Railway pantographs — requirements for m positiver Überdruck Taupunkttemperatur + 3 more
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DAkkS D-PL-12064-01-01 Bonn, DE
DIN EN 50155 VDE 0115-200 IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 + 3 more
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RvA M025 Etten-Leur, NL
BS SOP004 using sandwich immunoassay Massaspectrometrie Bloedafname (extra-muraal) Chromatografie waaronder HPLC,UPLC,GC Semenanalyse incl. morfologie en motilit + 3 more
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DAkkS D-ML-13149-01-00 München, DE
Aldosteron Cortisol Glucose Zink Aminosäuren + 3 more
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ACCREDIA 00154 Rovigo, IT
DIN EN ISO 9239-1 EN ISO 1182 EN ISO 1716 EN ISO 11925-2 EN 13501-1 + 3 more
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DAkkS D-K-15210-01-00 München, DE
- Gleichstromwiderstand 1) In den CMC sind die erweiterten Messu > 100 µA 330 V Wechselstromstärke 100 µA + 3 more
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velotech.de

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DAkkS D-PL-17439-02-00 Schweinfurt, DE
DIN EN 15194: 2018 DIN EN 15496 DIN EN 14619 DIN EN 15918 DIN 79008-1 + 3 more
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DAkkS D-PL-11215-01-02 Eberswalde, DE
DIN EN 10160 DIN EN ISO 16810 DIN EN ISO 17637 DIN EN ISO 17638 DIN EN ISO 9934-1 + 3 more
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DAkkS D-PL-17881-01-01 Darmstadt, DE
HABP2-Gen (c.1601G>A) rs7080536 rs11887534 DIN EN ISO 16535 DIN EN 303-4 DIN EN 303-5 + 3 more
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DAkkS D-PL-14020-01-01 Magdeburg, DE
DIN EN 12879 DIN EN 12880 DIN EN ISO 19458 DIN EN ISO 11885 DIN EN ISO 10523 (C 5) + 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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