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
🇩🇪 DIN EN 13262 🇬🇧 BS EN 13262 🇫🇷 NF EN 13262 🇮🇹 UNI EN 13262 🇪🇸 UNE EN 13262 🇳🇱 NEN EN 13262
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19 Countries

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RvA I327 Arnhem, NL
DIN EN 60076-3 DIN EN 60076-10 DIN EN 60076-1 DIN EN 60076-4 DIN EN 60076-11 + 3 more
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DAkkS D-PL-17438-01-04 Stuttgart, DE
IEC 60335-1: 2010 IEC 60335-2-2 IEC 60335-2-3 DIN EN 60335-2-3: 2002 IEC 60335-2-4 + 3 more
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ENAC LE147 Campanillas, ES
IEC 61730-2 IEC 61215-1-2 IEC 61215-2 IEC 61215-1-3 IEC 61215-1-4 + 3 more
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DAkkS D-K-18255-01-00 Amberg, DE
Drehmoment 0,01 N·m Railway — traction effort and braking fo 0,1 N·m
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DAkkS D-K-21738-01-01 Köln, DE
- Gleichspannung Messgeräte > 330 mV > 3,3 V > 33 V > 330 V + 3 more
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UKAS 0138 Irlam, GB
Gas pressure (absolute) Gas pressure (gauge) Hydraulic pressure (gauge) Hydraulic Pressure (absolute) PRESSURE (cont’d) + 1 more
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DIAL

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DAkkS D-PL-17358-02-00 Lüdenscheid, DE
DIN 5032-1 DIN 5032-2 DIN 5032-4 DIN 5033-8 DIN 5036-3 + 3 more
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DIANOVIS

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DAkkS D-ML-21243-01-01 Gera, DE
Kleines Blutbild (maschinell) Differentialblutbild (maschinell) Thrombozyten Retikulozyten Natriumchlorid + 3 more
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COFRAC 1-6191 Grande Synthe, FR
NF EN ISO 6892-1 (méthode DIN EN 10164 ASTM E 8 ASTM A 370 DIN EN ISO 6508-1 + 3 more
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DAkkS D-K-15034-01-01 Gevelsberg, DE
Gleichspannung 10 mV Quellen > 100 mV > 1 V > 10 V > 100 V + 3 more
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DAkkS D-PL-11125-01-00 Nürnberg, DE
ASTM C 1166 IEC 60512-16-7 ID168 IEC 60512-16-9 AK gegen Sc1-70 + 3 more
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ENAC LE776 Madrid, ES
SM 5210 D UNE-EN ISO 27888 SM 5220 D SM 2130 B UNE-EN ISO 11885 + 3 more
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DAkkS D-ML-22411-01-00 Dresden, DE
Antikörper FILA-Klasse I Lymphozytäre Kreuzprobe E, -DRB1, -DQB1, -DPB1, DRB3/4/5, -DQA1, KIR MICA, MICB, CCR5832 + 3 more
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UKAS 0143 Letchworth Garden City, GB
LENGTH Blade type Straight edges Surface plates External micrometer + 3 more
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DAkkS D-PL-11035-01-02 Essen, DE
ID136 > 140 DIN EN 143 DIN EN ISO 21149 DIN EN 13274-1 + 3 more
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DAkkS D-ML-21979-01-00 Hamburg, DE
HLA-Typsierung (HLA-B*27) Azoospermiefaktor (AZFa/AZFb/AZFc) Chorea Huntington (HTT) OMIM# 143100 + 3 more
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DNKA

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UKAS 9730 Govan, GB
staining based on HSG 248. (PCM) based on HSG 248 (HSG 248) – 2021 QSOP 03 based on HSG 248 QSOP 01 based on HSG 248
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DAkkS D-K-11134-03-00 Kaiser-Wilhelm-Koog, DE
− Stromstärkeverhältnis - Gleichspannung / Messgeräte - Wechselspannung Gleichstromstärke > 100 µA + 3 more
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COFRAC 1-10039 Marseille, FR
NF X 43-050 NF X43-050 (parties ISO 22262-2 NF ISO 22262-1 et/ou ISO 22262-1
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COFRAC 1-10029 Colomiers, FR
NF X 43-050 NF X43-050 (parties
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COFRAC 1-10041 Villebon-Sur-Yvette, FR
NF X 46-032 NF X 43-050 NF X43-050 (parties
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DRACE GEOCISA

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ENAC LE334 San Fernando de Henares, ES
EPA 9056 ISO 13167 SM 3120 B ISO 13166 UNE 73350-1
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DAkkS D-ML-17345-01-01 Frankfurt, DE
Faktor-V-Mangel (F5 inklusive Thrombozyten, PAC-1 Bindung CASQ2, KCNJ2, CALM2, CALM3, TECRL ) dbSNP r6027 ) Kardiomyopathie (PKP2, DSG2, SCN5A ) + 3 more
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DAkkS D-ML-17345-01-00 Frankfurt, DE
aller Untersuchungsverfahren im flexible Webpräsenz des Medizinischen Laboratoriu (VWF:CB) vWF-Multimere Erythrozyten + 3 more
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DAkkS D-ML-13219-01-01 Dresden, DE
CD34+ Stammzellen Erythrozyten Hämoglobin Leukozyten Bakterien- und Hefezellen + 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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