Scope
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
๐ฉ๐ช
DIN EN 13715
๐ฌ๐ง
BS EN 13715
๐ซ๐ท
NF EN 13715
๐ฎ๐น
UNI EN 13715
๐ช๐ธ
UNE EN 13715
๐ณ๐ฑ
NEN EN 13715
๐ฉ๐ช
DIN EN 13296
๐ฌ๐ง
BS EN 13296
๐ซ๐ท
NF EN 13296
๐ฎ๐น
UNI EN 13296
๐ช๐ธ
UNE EN 13296
๐ณ๐ฑ
NEN EN 13296
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BS 4206:1967 (superseded)
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BS 131-5:1965
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