EN 15302

Railway Wheelset Equivalent Conicity Measurement

This test method defines procedures for determining the equivalent conicity of railway wheelsets, a critical geometric parameter that affects vehicle stability, curving behavior, and wear characteristics. Equivalent conicity influences hunting oscillations, lateral forces, and noise generation during operation. The measurement is essential for railway manufacturers, maintainers, and operators to ensure safe and economical wheelset performance across different track geometries. Accreditation ensures consistent, reproducible measurements that support compliance with European interoperability standards and informed maintenance decisions.

What it measures

  • Equivalent conicity value of wheelset profiles
  • Wheel profile geometry and wear patterns
  • Contact angle and friction coefficient relationships
  • Stability margin and hunting potential
  • Comparative conicity values for different operating conditions
🇧🇪 NBN EN 13715 🇩🇪 DIN EN 13715 🇬🇧 BS EN 13715 🇫🇷 NF EN 13715 🇮🇹 UNI EN 13715 🇪🇸 UNE EN 13715 🇳🇱 NEN EN 13715 🇧🇪 NBN EN 13296 🇩🇪 DIN EN 13296 🇬🇧 BS EN 13296 🇫🇷 NF EN 13296 🇮🇹 UNI EN 13296
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UKAS 0162 Ashwellthorpe, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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COFRAC 1-6001 Riorges, FR
DIN ISO 16000-4 DIN EN ISO 16017-2 NF X 43-262 NF X 43-257 NF X 43-267 + 3 more
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ACEPE

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COFRAC 1-6133 Cherbourg-En-Cotentin, FR
NF X 43-050 NF X 43-269 NF ISO 22262-1 (parties utiles NF X 43-269 – ISO 16000-7 + 1 more
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COFRAC 1-7464 Bellegarde, FR
DIN EN ISO 16212 DIN EN ISO 18416 DIN EN ISO 21149 DIN EN ISO 11930 DIN EN ISO 11737-2 + 3 more
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ACONEX

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COFRAC 1-6332 Mont-Saint-Aignan, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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UKAS 0144 Glasgow, GB
(HSG 264, 2012) HSG 227 (2004) (HSG 248) – 2021 (PCM) based on HSG 248
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ACTALIA SENSORIEL - BOURG-EN-BRESSE

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COFRAC 1-5574 Bourg-En-Bresse, FR
ISO 13299 ISO 4120 NF V 09-500
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ACTINIUM

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COFRAC 1-6347 Sevres-Anxaumont, FR
NF X 43-262 NF X 43-257 NF X 43-298 NF X 43-267 NF X 43-269 + 3 more
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RvA I390 Heerlen, NL
NEN-EN 15567-1
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COFRAC 1-5606 Brussieu, FR
DIN 51750-3 DIN EN 15002 ISO 22262-1 NF X 43-050 NF X 43-269 + 3 more
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COFRAC 1-6680 Hrabakova 1861/1 | 702 00 Moravska Ostrava A Privoz | Republique Tcheque, CZ
NF X43-050 (parties utiles de la norme) NF X43-050 (useful parts of the standard NF X43-050 (useful parts of the standard NF X43-050 (parties utiles de la norme) ISO 16000-7
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COFRAC 1-6862 Mont-De-Marsan, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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COFRAC 1-0905 Arzacq-Arraziguet, FR
ISO 15214 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 6888-2 DIN EN ISO 6888-3 + 3 more
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COFRAC 1-0144 Quimper Cedex, FR
ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 + 3 more
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COFRAC 1-6048 Chateau-Gontier, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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AECOM SPAIN DCS, S.L. (Unipersonal)

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ENAC LE1300 Madrid, ES
DIN EN 12566-7 ISO 20236 on ISO 11905-2:1997 on BS ISO 17289:2014 ISO 1841-2 + 3 more
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ENAC LE1555 Madrid, ES
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AERA Consulting & Engineering Gesellschaft für Umweltmeßtechnik

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DAkkS D-PL-20374-01-00 Mühlhausen, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Railway bogies — wheelsets and bogies st Solarzellen* 20 % Messorte in + 3 more
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AGENCE POUR LE BON DEVELOPPEMENT DE L'ENVIRONNEMENT

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COFRAC 1-6342 Marseille, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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COFRAC 1-7407 Balzac, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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COFRAC 1-7059 Villeuneuve Loubet, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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ENAC LE1409 Coslada, ES
Tensile testing of metallic materials (I ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 + 3 more
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DAkkS D-PL-14047-01-02 Sarstedt, DE
DIN EN 12879 DIN EN 12880 DIN 19682-2 DIN EN ISO 11885 DIN EN ISO 10304-1 (D 20) + 3 more
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DAkkS D-PL-20892-01-02 Leinefelde-Worbis, DE
DIN EN ISO 12966-4 DIN EN ISO 658 DIN 19682-2 DIN EN 16174 DIN 19747 + 3 more
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DAkkS D-PL-14082-01-01 Kiel, DE
DIN EN 15621 DIN EN 15111 DIN EN 15763 DIN EN 16802 DIN EN ISO 16634-1 + 3 more
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Industries

Railway rolling stock manufacturers Wheelset component suppliers Railway depot maintenance facilities Infrastructure maintenance organizations Rail research and development organizations

Related Standards

  • EN 13715 Railway applications - Wheel sets and bogies - Technical file requirements for wheels
  • EN 13296 Railway applications - Wheelsets and bogies - Wheels - Technical specifications for wheels
  • EN 14363 Railway applications - Testing and Simulation for the acceptance of running characteristics of railway vehicles - Running behaviour and stationary tests

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