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
🇩🇪 DIN EN 13715 🇬🇧 BS EN 13715 🇫🇷 NF EN 13715 🇮🇹 UNI EN 13715 🇪🇸 UNE EN 13715 🇳🇱 NEN EN 13715 🇩🇪 DIN EN 13296 🇬🇧 BS EN 13296 🇫🇷 NF EN 13296 🇮🇹 UNI EN 13296 🇪🇸 UNE EN 13296 🇳🇱 NEN EN 13296
1,632 Accredited labs
19 Countries

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DAkkS D-ML-17445-01-00 Dessau-Roßlau, DE
WBC (Leukozyten) RBC (Erythrocyten) HGB (Hb) HCT (Hk) PLT (Thrombozyten) + 3 more
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Chromosomensatz (angeboren) Chromosomensatz (erworben) Adrenogenitales Syndrom Angelman-Syndrom (15q11-Region, UBE3A) Mikrodeletionen; AZFa-c) + 3 more
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DAkkS D-ML-13237-01-00 Raubling, DE
HbA1c Basophile, automatisch Eosinophile, automatisch Erythrozyten, automatisch Leukozyten, automatisch + 3 more
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DAkkS D-ML-19175-01-00 Erfurt, DE
HbA1c Hämatokrit Hämoglobin Leukozyten Thrombozyten + 3 more
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HbA1c Blutbild, groß (Blutbild klein Hämoglobin, Hämatokrit, MCH, MCHC) Retikulozyten Thrombozyten + 3 more
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DAkkS D-ML-13182-01-00 Essen, DE
Leukozyten Erythrozyten Thrombozyten Hämatokrit MCV + 3 more
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DAkkS D-ML-13238-01-01 Göttingen, DE
Obligat anaerobe Bakterien Grampositive aerobe und anaerobe Kokken Enterokokken Mikrokokken + 3 more
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DAkkS D-ML-13445-01-01 Wernigerode, DE
automatische Zelldifferenzierung Erythrozyten Leukozyten Retikulozyten Thrombozyten + 3 more
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DAkkS D-K-15048-01-01 Allmersbach im Tal, DE
Parallelendmaße * 0,5 mm DIN EN ISO 3650:1999 Parallelendmaße > 100 mm Messschieber für Außen-, 0 mm + 3 more
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Metrolution

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DAkkS D-K-21403-01-01 Aichhalden, DE
Metrosoft CM, Software einer Raumdiagona AG, Chur, CH ≤ 3333 mm Oberkochen, D GmbH, Wetzlar, D AG, Chur, CH ≤ 7500 mm
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DAkkS D-K-19120-01-01 Gießen, DE
Flüssigkeitsvolumen * Kolbenhubpipetten Manuell betätigte spritzen Mehrfachdispenser + 3 more
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MeßTechnikNord

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DAkkS D-PL-15086-02-01 Jena, DE
IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 IEC 61000-4-6: 2013 + 3 more
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DAkkS D-K-15086-01-01 Wedel, DE
- Gleichspannung Messverstärker > 120 mV > 1 V > 12 V > 1000 V + 3 more
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DAkkS D-K-20451-01-00 Bovenden, DE
Konventioneller Wägewert/ Massenormale Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO + 3 more
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DAkkS D-ML-19288-01-00 Stuttgart, DE
Bacillus cereus Toxin Clostridium perfringens Salmonella spp. Shigella spp. Staphylococcus aureus Toxin + 3 more
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DAkkS D-K-15096-01-00 Neuss, DE
Parallelendmaße 0,5 mm DIN EN ISO 3650:1999 Parallelendmaße > 10 mm Parallelendmaße > 100 mm + 3 more
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DAkkS D-K-21161-01-01 Esslingen, DE
Gleichspannung 3 mV Messgeräte 10 mV > 100 mV > 220 mV > 11 V + 3 more
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DAkkS D-K-11292-01-00 Buchen Odenwald, DE
Temperatur 50 °C Railway brake handbooks (UIC 547) 1) In den CMC sind die erweiterten Messu
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DAkkS D-PL-19306-01-00 Oppenweiler, DE
IEC 61000-4-2: 2008 VDE 0847-4-2 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 + 3 more
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DAkkS D-ML-20225-01-00 Minden, DE
Differentialblutbild Kleines Blutbild (maschinell) Thrombozyten Unreife Thrombozyten (IPF) Urinsediment (maschinell) + 3 more
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DAkkS D-PL-14119-01-01 Planegg, DE
DIN 4150-1 DIN 4150-2 DIN 4150-3 DIN ISO 8297 DIN EN ISO 12354-4 + 3 more
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DAkkS D-ML-13106-01-01 München, DE
Hämoglobin A1c Hämoglobin-Differenzierung Erythrozyten Basophile Granolozyten Eosinophile Granulozyten + 3 more
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NATEC Sensors

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DAkkS D-K-15139-01-01 Garching, DE
Railway brakes — conditions for homologa − Durchfluss von Flüssigkeiten Gleichspannung U (Simulation des Signals generators) + 3 more
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NEMKO

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DAkkS D-PL-22131-01-01 Pfinztal, DE
IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 IEC 61000-4-6: 2013 + 3 more
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DAkkS D-K-17726-01-00 Pfullingen, DE
Elektrische Feldstärke / 2 V/m 2,5 V/m 1 V/m Magnetische Feldstärke / + 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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