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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DAkkS D-K-15115-01-01 Kassel, DE
Gleichstrom- und Niederfrequenzmessgröße - Gleichspannung - Gleichstromstärke - Gleichstromwiderstand - Wechselspannung + 3 more
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UKAS 4236 Northampton, GB
DIN EN 1650 DIN EN 1656 DIN EN 1657 DIN EN 13624 DIN EN 14348 + 3 more
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Whole Blood Full blood count | 520 Whole Blood Full blood count | SOP LAB 1 A, B, O, Rh (D) | SOP LAB 11 Blood Phlebotomy | SOP LAB 03 Biochemistry examination activities | Ro + 3 more
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DAkkS D-K-15158-01-00 Haiger, DE
Sound intensity — scanning method (ISO 9 Hand-arm vibration — measurement (ISO 53 Railway testing reference handbook part messeinrichtungen von Pendelschlagwerke und + 3 more
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DAkkS D-K-18164-01-01 Partenstein, DE
Railway braking — adhesion under braking Koordinatenmessgeräte geräte mit einem DEA Hexagon Metrology Polyworks, Software von Metrologic, Software von + 3 more
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BELAC 772-TEST Bruxelles, BE
IEC 61400-50-1 IEC 61400-50-2 MEASNET “Evaluation of si
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UKAS 0173 London, GB
(HSG 264, 2012)
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UKAS 1931 London, GB
BS 7976-2 (HSG 248) – 2021 (PCM) based on HSG 248 E203 based on HSG 248 E200 based on HSG 248 + 1 more
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UKAS 9372 West Chiltington, GB
(HSG 264, 2012)
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DAkkS D-K-21981-01-00 Konstanz, DE
(Härteskalen HV0,01 8tree Scanner / 0 mm bis 100 mm Laterale Größe von Tiefenmaß/ -unterstand + 2 more
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UKAS 25321 London, GB
HUMAN BODY FLUIDS Clinical Biochemistry Alkaline Phosphatase (ALP) | Phosphate Alkaline Phosphatase (ALP) | SOP: LAB-SO Alanine Aminotransferase (ALT) | Absorba Alanine Aminotransferase (ALT) | SOP: LA + 3 more
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UKAS 9260 Dukinfield, GB
(HSG 264, 2012)
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COFRAC 1-5950 Vannes, FR
NF X 43-050 ISO 16000-7 FD T 90-522 FD X 46-033
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ACCREDIA 00819 Grazzanise, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 11290-1 + 3 more
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ACCREDIA 00925 Napoli, IT
DIN EN ISO 7438 DIN EN ISO 4136 DIN EN ISO 5173 DIN EN ISO 9016 DIN EN ISO 9017 + 3 more
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DAkkS D-PL-14087-01-03 Plauen, DE
DIN EN ISO 2719 DIN EN 12879 DIN EN 12880 DIN EN ISO 19458 DIN EN 932-1 + 3 more
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ENAC LC10.160 San Fernando de Henares, ES
-95 kPa ≤ P < -1 kPa -1 kPa ≤ P < -100 P 5 kPa ≤ P < 80 kPa 80 kPa ≤ P ≤ 120 kPa 0 MPa ≤ P ≤ 2 MPa 2 MPa < P ≤ 20 MPa 20 Punto triple del agua (0,01 °C) Punto de fusión del hielo (0,00 °C) -80 + 3 more
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COFRAC 1-6467 Limoges, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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DAkkS D-K-12115-01-00 Minden, DE
Railway overhead lines — pantograph head - Direktanzeigende Thermometer - Thermopaare, Thermoelemente abs positiver Überdruck + 3 more
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BELAC 753-TEST Glabbeek, BE
NBN T96-102 HSG248 - appendix 2
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UKAS 4021 Rogerstone, GB
PRESSURE Hydraulic pressure (gauge) TEMPERATURE DC VOLTAGE INDUCTANCE + 3 more
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UKAS 4494 Southampton, GB
(HSG 248) – 2021 staining based on HSG 248 (PCM) based on HSG 248 QP23 based on HSG 248
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DAkkS D-PL-19436-01-01 Aalen, DE
DIN EN 932-1 DIN EN ISO 17892-4 DIN 19682-1 DIN 19682-2 DIN EN ISO 14688-2 + 3 more
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UKAS 2742 Canvey Island, GB
(PCM) based on HSG 248 Analysts’ Guide (HSG 248)
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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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