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
3,987 Accredited labs
21 Countries

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DAkkS D-ML-13165-01-00 Wiesbaden, DE
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Digitoxin HbA1c Cortisol Testosteron Glucose + 3 more
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DAkkS D-ML-13239-01-00 Essen, DE
HbA1c Cortisol Testosteron Glucose Hämoglobin + 3 more
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DAkkS D-ML-13235-01-00 Kaiserslautern, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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DAkkS D-ML-21438-01-00 Dresden, DE
90°-Winkeln *) 1 bar; 2 bar (Reflexionsfaktor) -180° (VWF:CB) Laktose Intoleranz: LCT-Gen + 3 more
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DAkkS D-ML-13073-01-00 Köln, DE
Ethanol Digoxin Cortisol Glucose Leukozyten + 3 more
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DAkkS D-ML-13413-01-00 Leverkusen, DE
Ethanol Digitoxin Digoxin HbA1c Aldosteron + 3 more
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DAkkS D-ML-20454-01-01 Bonn, DE
APC angeborener Chromosomensatz Demenz Van der Woude-Syndrom Bannayan-Ruvalcaba-Riley-Syndrom + 3 more
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DAkkS D-ML-20295-01-00 Berlin, DE
Ethanol Digitoxin Glucose Hämoglobin Erythrozyten + 3 more
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DAkkS D-ML-22580-01-00 Oldenburg, DE
Familiärer Brust- und Eierstockkrebs Fiebersyndrome (Panel) (ADA2, ANGPT1, CA (ACTN4, ANLN, APOL1, ARHGAP24, ARHGDIA, (PDE1C, PDZD7, PEX1, PEX6, PHYH, PJVK, P Tumor (Panel) ( MAP3K1, MAX, MBD4, MDH2, + 3 more
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DAkkS D-ML-13156-02-00 Hamburg, DE
Ethanol Digitoxin Digoxin HbA1c Cortisol + 3 more
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DAkkS D-ML-13245-02-00 Dresden, DE
Digitoxin Digoxin Aldosteron Cortisol Estradiol (E2) + 3 more
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DAkkS D-ML-17445-01-00 Dessau-Roßlau, DE
Ethanol Digitoxin HbA1c Cortisol Glucose + 3 more
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DAkkS D-ML-13237-01-00 Raubling, DE
Absolutdruck Digitoxin Digoxin HbA1c Cortisol + 3 more
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DAkkS D-ML-19175-01-00 Erfurt, DE
Digitoxin HbA1c Cortisol Testosteron Glucose + 3 more
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DAkkS D-ML-18008-01-00 Raunheim, DE
HbA1c Aldosteron Cortisol Glucose Hämoglobin + 3 more
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DAkkS D-ML-13182-01-00 Essen, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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DAkkS D-ML-13238-01-01 Göttingen, DE
Streptokokken Bakterien und Pilze Dermatophyten Mykobakterien Enterobacteriaceae + 3 more
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DAkkS D-ML-13445-01-01 Wernigerode, DE
Ethanol Creatinin Digitoxin HbA1c Aldosteron + 3 more
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DAkkS D-K-15048-01-01 Allmersbach im Tal, DE
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DAkkS D-K-21664-01-01 Radebeul, DE
Wechselspannung 10 mV zu 25 mV bis 1 V (Sekundär) Beschleunigung amplitude (Betrag) − Beschleunigung + 3 more
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DAkkS D-K-21669-02-00 Filderstadt, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Flüssigkeitsvolumen Kolbenbüretten 5 mL Kolbenbüretten 10 mL + 2 more
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DAkkS D-K-21403-01-01 Aichhalden, DE
Oberkochen, D Metrosoft CM, Software einer Raumdiagona AG, Chur, CH ≤ 3333 mm GmbH, Wetzlar, D AG, Chur, CH ≤ 7500 mm + 1 more
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DAkkS D-K-19120-01-01 Gießen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) Absolutdruck p * verwendete Abkürzungen: + 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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