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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DAkkS D-ML-13130-02-00 Tübingen, DE
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Kapseltyp B, Neisseria meningitidis Staphylococcus aureus Cryptococcus neoformans aerob wachsende Bakterien Bakterien, Sprosspilze + 3 more
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DAkkS D-ML-13130-03-01 Tübingen, DE
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DAkkS D-ML-13130-08-01 Tübingen, DE
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DAkkS D-ML-13130-05-00 Tübingen, DE
PM-Scl Transglutaminase-IgA-Ak Tryptase Dermatophyten Candida albicans + 3 more
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DAkkS D-ML-13294-09-01 Ulm, DE
Zelldifferenzierung Albumin Ferritin CMV-IgG-Antikörperindex Zellzahlbestimmung + 3 more
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DAkkS D-ML-13294-08-00 Ulm, DE
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DAkkS D-ML-13294-03-01 Ulm, DE
Chromosomenstörungen Whole Exome: SNV, CNV Fragiles X-Syndrom: FMR1 Multiple Endokrine Neoplasie Cri-du-chat-Syndrom + 3 more
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DAkkS D-ML-13294-07-00 Ulm, DE
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DAkkS D-PL-13294-06-00 Ulm, DE
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DAkkS D-ML-13294-01-01 Ulm, DE
(ein- oder mehrgängige Absolutdruck tration von Harnsäure tration von Harnstoff Digitoxin + 3 more
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DAkkS D-ML-13220-01-01 Homburg, DE
(ein- oder mehrgängige Ethanol Absolutdruck tration von Harnsäure tration von Harnstoff + 3 more
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DAkkS D-ML-13161-02-00 Göttingen, DE
angeborener Chromosomensatz Familiärer Brust- und Eierstockkrebs Catecholaminerge polymorphe hypogonadotroper Arrhythmien (Panel) (ACTC1, ACTN2, BAG3, + 3 more
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DAkkS D-ML-13161-01-00 Göttingen, DE
Ethanol Digitoxin Digoxin Aldosteron Cortisol + 3 more
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DAkkS D-PL-13161-01-00 Göttingen, DE
Ethanol tration von Harnsäure Digitoxin Digoxin Aldosteron + 3 more
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DAkkS D-ML-13161-05-00 Göttingen, DE
Ethanol Digitoxin Digoxin Aldosteron Cortisol + 3 more
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DAkkS D-ML-13161-06-00 Göttingen, DE
angeborener Chromosomensatz Familiärer Brust- und Eierstockkrebs Catecholaminerge polymorphe hypogonadotroper Arrhythmien (Panel) (ACTC1, ACTN2, BAG3, + 3 more
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DAkkS D-ML-13193-04-00 Rostock, DE
Ethanol Creatinin Digitoxin Digoxin Aldosteron + 3 more
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DAkkS D-ML-13193-01-00 Rostock, DE
Staphylococcus aureus Cryptococcus neoformans MRSA Bakterien, Sprosspilze Bakterien, Pilze + 3 more
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DAkkS D-PL-13258-03-01 Mainz, DE
DIN EN ISO 19458 DIN 1946-4 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) + 3 more
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DAkkS D-ML-13258-04-00 Mainz, DE
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DAkkS D-ML-13258-01-01 Mainz, DE
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BELAC 639-TEST Louvain-La-Neuve, BE
Méthode interne développée par Panasonic
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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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