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
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CROP PROTECTION TECHNOLOGY (CPT)

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ACCREDIA 00841 Grugliasco, IT
EN ISO 16119-2 DIN EN ISO 28139 EN ISO 16119-3 EN ISO 19932-1 EN ISO 19932-2
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CSI SpA

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ACCREDIA 00009 Bollate, IT
BS 1363-1 BS EN 15662 DIN EN ISO 6888-1 DIN EN 60068-2-30 DIN EN 81-58 + 3 more
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Chelab

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ISO 9308-1 ISO 7899-2 ISO 17410 ISO 16266 ISO 19250 + 3 more
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Consorzio per la Ricerca nel Settore della Filiera Lattiero-Casearia e dell'Agroalimentare (CoRFiLaC)

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ACCREDIA 00285 Ragusa, IT
ISO 8968-1 DIN EN ISO 8968-1 ISO 3433:2008 DIN EN 14675 AOAC 991.14-1994 + 3 more
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CryptoNet Labs Srl

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ACCREDIA 01702 Milano, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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Cybertech

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ACCREDIA 01852 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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Deloitte Consulting S.r.l. S.B.

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ACCREDIA 02012 Roma, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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Dipartimento di Sanità Pubblica URD Igiene Medicina Preventiva e Statistica Sanitaria - Università degli Studi di Napoli Federico II

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ACCREDIA 01333 Napoli, IT
DIN EN ISO 7730 EPA 6020 DIN EN ISO 6888-1 ISO 14698-1 ISO 4832 + 3 more
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ECOSISTEM

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ACCREDIA 00611 Napoli, IT
DIN EN ISO 9308-2 EPA 5035 DIN EN 14789 EPA 5030 DIN EN 14790 + 3 more
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ACCREDIA 00253 Conselve, IT
DIN CEN ISO 15216-2 ISO 19250 AOAC 2012.01 2016 DIN EN ISO 15587-1 EPA 300.1 1997 + 3 more
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ACCREDIA 00028 Vimodrone, IT
ISO 6341 ISO 7346-1 ISO 8692 DIN EN 13727 DIN EN 1657 + 3 more
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ACCREDIA 00522 Castelnovo di Sotto, IT
ISO 6888-1 ISO 18787 ISO 4831 ISO 11731 DIN EN ISO 6888-3 + 3 more
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EUROFINS PRODUCT TESTING ITALY

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ACCREDIA 00054 Torino, IT
DIN EN ISO 1135-4 DIN EN 13744 IEC 62623: 2012 DIN EN 13746 Sound Attenuation EN ISO 4869-1:2018 + 3 more
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Ecoricerche srl

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EPA 6020 DIN EN 12457-2 DIN EN 15634-1 EPA 3630 DIN EN 15408 + 3 more
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Gerico Lab Srl

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ACCREDIA 02192 Torino, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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Greengea Srl

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ACCREDIA 01596 Messina, IT
DIN EN ISO 7730 ISO 5667-5 DIN EN ISO 6888-1 DIN 40633-2 DIN EN ISO 18593 + 3 more
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Gucci Art Lab - Laboratorio Test di Gucci Logistica SpA

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ACCREDIA 01577 Scandicci, IT
ISO 10195 ISO 17704 BS EN ISO 14362-1 ISO 14184-1 ISO 4045 + 3 more
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I.S.P.A. srl Istituto sperimentale problematiche ambientali

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ACCREDIA 00832 Atina, IT
DIN EN 12457-2 EPA 200.7 2001 DIN EN ISO 6888-1 DIN EN ISO 20236 DIN EN ISO 15213-2 + 3 more
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IMQ SpA

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ACCREDIA 00013 Milano, IT
DIN EN 62053-23: 2017-09 DIN EN ISO 11816-1 IEC 62109-1 IEC 60598-2-2 DIN EN 62053-24 + 3 more
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INNONATION

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ACCREDIA 02189 Catania, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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ITALCERTIFER

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ACCREDIA 00447 Firenze, IT
EN 14531-1 DIN EN 50215 UNI EN 14531-2 DIN EN 16334 DIN EN 15355 + 3 more
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ITC - CNR

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ACCREDIA 01854 San Giuliano Milanese, IT
DIN EN 14019 EN ISO 1716 IEC 60512-15-2 BS EN ISO 1716:2002 DIN EN 1026 + 3 more
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Istituto Giordano SpA

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ACCREDIA 00019 Bellaria-Igea Marina, IT
EN 14304:2009+A1:2013 EN 14305:2009+A1:2013 DIN EN ISO 12623 DIN EN 1873 DIN EN 14963 + 3 more
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L.A.M. S.r.l. Laboratorio Analisi Microbiologiche

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ACCREDIA 00520 Vergiate, IT
ISO 6888-1 ISO 18787 ISO 19250 AOAC 2012.01 2016 ISO 14698-1 + 3 more
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LABORATORIO ANALISI DOTTOR VINCENZO SORCE SRL

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ACCREDIA 00789 Mazzarino, IT
DIN EN 15634-1 DIN EN ISO 15587-1 NF EN ISO-15587-2 ISO 14189 EPA 5030 + 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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