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-K-15149-01-00 Neufahrn, DE
Railway pantographs — requirements for m Railway overhead lines — pantograph head Durchfluss von − Durchfluss von Flüssigkeiten Durchfluss von Gasen + 3 more
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DIN EN ISO 1463 DIN 50602 DIN EN ISO 6270-2 DIN EN ISO 6988 DIN EN ISO 22479 + 3 more
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UKAS 9522 Denny, GB
DIN EN 12350-1 DIN EN 12390-1 DIN EN 12390-2 DIN EN 12390-3 DIN EN 12390-5 + 3 more
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UKAS 0716 Gorton, GB
LENGTH ANCILLARY MEASUREMENTS Plain plug gauges (taper) Plain ring gauges (taper) Micrometers + 3 more
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UKAS 8165 London, GB
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UKAS 8166 London, GB
Procalcitonin Hepatitis B-e-Antigen Bilirubin Ketone Urobilinogen + 3 more
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UKAS 8726 London, GB
Cytomegalovirus Measurement Demonstration of: | Operation and Mainte Amyloid Examination of cellular material in orde + 3 more
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DAkkS D-K-22907-02-01 Wuppertal, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) − Waagen Optoelektronische + 1 more
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UKAS 0566 Jarrow, GB
diluted-Russel's-Viper-Verom-Time Hydraulic pressure (gauge) AC CURRENT FREQUENCY Gas pressure (gauge) + 3 more
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ENAC LE2354 Noáin, ES
UNE-EN 50508 UNE-EN IEC 61243-1 UNE-EN 60903 UNE 204001 UNE-EN 61111 + 2 more
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DAkkS D-PL-12007-02-05 Essen, DE
c.3084A>G rs497692 ID280 DIN EN 50155 VDE 0115-200 IEC 61000-4-3: 2006 + 3 more
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DAkkS D-PL-11124-07-02 Hamburg, DE
DIN EN 10160 DIN EN ISO 13588 DIN EN ISO 17637 DIN EN ISO 17638 DIN EN ISO 7438 + 3 more
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DAkkS D-K-11109-01-02 Essen, DE
- Gleichstromstärke - Hochspannungsmessgrößen Bauart wie GR 1482 positiver Überdruck Gaskonzentration + 3 more
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DAkkS D-PL-11109-01-06 Essen, DE
DIN EN ISO 6506-1 ISO 26262-3: UIC 541-3 DIN EN 15328 DIN EN 14535-3 + 3 more
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RvA I167 Son En Breugel, NL
DIN EN ISO 12572 DIN EN 14974 DIN EN 14960 DIN EN ISO 17232 DIN EN 13814 + 3 more
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DAkkS D-K-11074-01-00 Essen, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Druck 0,05 bar Absolutdruck Pabs > 1,15 bar + 3 more
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DAkkS D-PL-11074-08-01 Dortmund, DE
DIN EN ISO 4589-2 DIN EN ISO 5659-2 DIN EN ISO 9239-1 DIN EN 16989 DIN EN 17084 + 3 more
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DAkkS D-PL-11074-05-00 Essen, DE
DIN EN 13053 DIN EN 12102-1 DIN EN 12237 DIN EN 13180 UNE-EN 12237 + 3 more
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DAkkS D-PL-11074-07-01 Essen, DE
DIN EN 10306 DIN EN 14511-3 DIN EN 14825 DIN EN 1048 DIN EN 60335-2-69 + 3 more
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DAkkS D-PL-14334-01-00 Hamburg, DE
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DAkkS D-PL-11097-02-01 200072 Shanghai, CN
DIN EN IEC 62477-1 IEC 60904-1* IEC 60904-2* IEC 60904-3* IEC 60904-4* + 3 more
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DAkkS D-PL-11120-02-01 Köln, DE
Sound power — engineering methods for sm Sound power — in-situ using reference so Sound intensity — scanning method (ISO 9 Vibration measuring instruments — test m Low-frequency noise measurement and asse + 3 more
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DAkkS D-PL-11120-04-00 Köln, DE
Faktor XII-Gen rs1801020 Mutation A844G, rs1799889 (SPG42), SPAST (SPG4), SPG11, SPG7, VAMP DIN EN 60068-2-67 ASTM D 7525 + 3 more
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DAkkS D-PL-11180-01-01 Hong Kong, CN
CD71 DIN EN 1371-1 DIN EN 1371-2 DIN EN ISO 7971-3 DIN EN ISO 717-1 + 3 more
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DAkkS D-PL-11052-01-03 Köln, DE
100 HV 125 Cancer Antigen 125 ID161 ID257 DIN EN 60068-2-14 + 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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