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
1,399 Accredited labs
17 Countries

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SALCHIM

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ACCREDIA 00591 Cavriago, IT
ISO 18787 DIN EN ISO 10304-1 DIN 40633-2 DIN EN ISO 6888-2 ISO 4832 + 3 more
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STUDIO F2 SRL

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ACCREDIA 00638 Castellucchio, IT
ISO 17604 ISO 6888-2 ISO 18787 ISO 19250 AOAC 2012.01 2016 + 3 more
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ACCREDIA 01827 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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ACCREDIA 01866 Prato, IT
ISO 17704 BS EN ISO 14362-1 ISO 1841-2 BS EN ISO 14362-3 ISO 16181-1 + 3 more
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ACCREDIA 00173 Brugine, IT
ETSI EN 301 489-1: V2.2.3 IEC 62109-1 DIN EN 50178: 1998 IEC 61000-4-16: 2015 IEC 62109-2 + 3 more
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ACCREDIA 00321 Pogliano Milanese, IT
IEC 60335-2-51 DIN EN 60068-2-30 IEC 61000-6-1 IEC 60335-2-54: 2008 DIN EN 50564 + 3 more
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Telsy

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ACCREDIA 01747 Orvieto, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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ACCREDIA 00999 Carugate, IT
DIN EN 60068-2-30 IEC 61000-6-1 AS/NZS CISPR 22:2006 IEC 61000-6-2: 2005 ETSI EN 303 446-2 + 3 more
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WTLAB

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ACCREDIA 01077 Tribano, IT
IEC 62109-1 IEC 61400-21-1 IEC 62109-2 DIN EN 60598-2-4 DIN EN 60068-2-30 + 3 more
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ACCREDIA 00676 Cassola, IT
DIN EN 1186-3 IEC 62321-3-1 ISO 10195 EPA 6020 DIN EN 12457-2 + 3 more
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XEFRA SRL

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ACCREDIA 01259 Tortona, IT
DIN EN 60079-11 DIN EN 60079-2 DIN EN 60079-31 DIN EN 60079-1 IEC 60079-1 + 2 more
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Z LAB Srl

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ACCREDIA 01046 Cerea, IT
DIN EN ISO 11546-1 UNI EN ISO 9295 DIN EN ISO 11957 ISO 354 ISO 3741 + 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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