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
2,759 Accredited labs
20 Countries

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ALS Germany

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DAkkS D-PL-14162-01-03 Altenberge, DE
> 660 HABP2-Gen (c.1601G>A) rs7080536 ASTM E 648 DIN EN 61646 ISO 11948-1 + 3 more
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UKAS 1282 Templeborough, GB
ISO 4832 ISO 11290-1 ISO 11290-2 ISO 21528-1 ISO 22964 + 3 more
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COFRAC 1-1630 Crespin, FR
Railway driver warning systems — braking Railway vehicle dynamics — on-track test DIN EN 50500 ISO 7731
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ACCREDIA 01195 Savigliano, IT
DIN EN 50215 ISO 15302
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COFRAC 1-5603 Petite-Foret, FR
Railway braking — urban guided transport Railway braking — urban guided transport Railway high-speed braking performance ( Railway brake friction material characte Railway braking — wheel slide protection + 3 more
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DAkkS D-PL-11003-01-00 Hennigsdorf, DE
Sound power level determination — genera Sound power — engineering methods for sm Sound power — in-situ using reference so Sound intensity — scanning method (ISO 9 Occupational noise exposure measurement + 3 more
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DAkkS D-PL-11003-07-00 Görlitz, DE
Railway braking — thermal analysis (EN 1 Railway wheel squeal and curve noise (EN DIN 27201-5 DIN 25043-1 DIN 25043-2 + 3 more
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ENAC LE808 Tres Cantos, ES
Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) Railway braking — thermal analysis (EN 1 Influenza A/H1-2009 DIN EN 50155 + 3 more
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DAkkS D-K-15032-02-00 Weiterstadt, DE
Machinery vibration — industrial machine Railway brake — magnetic track brakes (U Railway maintenance — track geometry (EN Länge Rundheitsabweichung + 3 more
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AMIANT'AIR

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COFRAC 1-6507 Vandoeuvre Les Nancy, FR
DIN EN ISO 11689 NF X 43-257 NF X 43-298 NF X 43-050 NF X 43-269 + 3 more
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COFRAC 1-7345 Montelimar, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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AN DIAG

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COFRAC 1-7298 Saint Etienne Du Rouvray, FR
ISO 22262-1 NF X 43-050 NF X 43-269 NF X 43-269 - Annexe K NF X43-050 (parties utiles de + 2 more
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ANA AIR LAB

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COFRAC 1-6880 Nimes, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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ACCREDIA 01245 Colleferro, IT
ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 + 3 more
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ANECO

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COFRAC 1-1863 Genas, FR
DIN EN 13126-19 DIN EN ISO 16911-1 DIN EN 13284-1 DIN EN 14790 DIN EN 14792 + 3 more
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COFRAC 1-7202 Courbevoie, FR
Occupational noise exposure measurement ISO DIN EN 27888 DIN EN 13126-19 DIN EN ISO 10523 + 3 more
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APB DIAG

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COFRAC 1-7037 Le Blanc Mesnil, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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UKAS 2136 Hebburn, GB
(HSG 248) – 2021 QOP03 based on HSG 248 (PCM) based on HSG 248 QOP01 based on HSG 248
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UKAS 0347 Hebburn, GB
(HSG 264, 2012)
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ENAC LC10.017 Leganés, ES
ASTM D2240-15 CEM DI-012 CEM DI-008 CEM DI-021 CEM DI-005 + 3 more
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ENAC LE201 Sada, ES
Railway wheel-rail interaction — roughne DIN EN 13126-19 DIN EN ISO 16911-1 ISO 5667-11 ISO 5667-10 + 3 more
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ENAC LE2307 Puertollano, ES
ISO/IEC 25010 ISO/IEC 25040 ISO/IEC 25012 ISO/IEC 5259-2
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AQRAT

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DAkkS D-K-15060-01-00 Dettingen unter Teck, DE
und Radsatzmerkmale 22 mm 133 mm Antastelementen mit Messschieber für 0 mm Bügelmessschrauben* 0 mm + 3 more
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AQUABIO

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COFRAC 1-7428 Saint Germain Du Puch, FR
DIN EN 27888 DIN EN ISO 10523 DIN ISO 17289 DIN EN ISO 5667-15 ISO 10523 + 3 more
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COFRAC 1-6971 Vitre Cedex, FR
NF EN ISO 11136 ISO 13299 NF V 09-500
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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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