Scope
UIC 519
Railway Wheelset Equivalent Conicity Determination
This test method specifies procedures for determining the equivalent conicity of railway wheelsets, a critical parameter governing vehicle stability and steering behavior on curves. Conicity describes the geometric relationship between wheel profiles and rail geometry, affecting how vehicles negotiate curves and respond to track irregularities. The measurement is essential for wheelset manufacturers, vehicle designers, and track maintenance specialists to ensure stable, safe operation and minimize wear and derailment risk. Accredited testing provides objective verification that wheelsets meet design specifications and regulatory requirements for dynamic safety.
What it measures
- Wheel profile geometry and taper angles
- Equivalent conicity value (ฮป)
- Wheelset geometric parameters and deviation
- Contact point position relative to wheel center
- Stability characteristics and steering forces
๐ฉ๐ช
DIN EN 13262
๐ฌ๐ง
BS EN 13262
๐ซ๐ท
NF EN 13262
๐ฎ๐น
UNI EN 13262
๐ช๐ธ
UNE EN 13262
๐ณ๐ฑ
NEN EN 13262
1,632
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Safe Gas Cylinders
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BS EN 1440:2016 + A1:2018 +
EN ISO 23088:2020
Cylinders EN ISO 10460:2018
EN 14208:2004
Safety Advice Centre
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M002based on HSG 248
(HSG 248) โ 2021
(PCM) based on HSG 248
Scientific Services
Active
(HSG 248) โ 2021
D3TA2 based on HSG 248
(PCM) based on HSG 248
D3TA8 based on HSG 248
Scopus Asbestos Compliance
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(HSG 248) โ 2021
SAC-SOP-15 based on HSG 248
SAC-SOP-07 based on HSG 248
staining based on HSG 248
SembCorp Utilities (UK)
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(HSG 248) โ 2021
DI/AN/ME/025 based on HSG 248
DI/AN/ME/001 based on HSG 248
DI/AN/ME/026 based on HSG 248
(PCM) based on HSG 248
ServiceCal
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PRESSURE (contโd)
DC CURRENT
DC VOLTAGE
CFH-Gen, Macula-Degeneration
Measurement
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LENGTH
Plain plug gauges (parallel)
Internal
Caliper
LENGTH (contโd)
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Shirley Technologies
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ASTM E 2149-20
BS EN ISO 20743:2021 Section
ISO 14119
BS EN ISO 20645:2004
BS 1425-1:1991 Appendix A
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Sigma-HSE (UK)
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DIN EN 13821
Sigma-HSE (UK) Ltd
DIN EN 14034-1
BS EN ISO/IEC 80079-20-2:2016
DIN EN 14034-2
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Somerset Council
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(HSG 248) โ 2021
R24 based on HSG 248
staining based on HSG 248
ELECTRICAL CALIBRATION
DC RESISTANCE (continued)
DC Resistance
AC VOLTAGE (continued)
AC CURRENT
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based on BS EN ISO 6579-1:
ISO 21528-2
ISO 21149:2017+Amd1:2022
DIN EN ISO 18415
method based on BS ISO 16649-2:
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Speciality Steel UK
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ISO 3651-2
ASTM E 384-22
ASTM E10-23
ISO 6506-1
ASTM A262-15(2021) Practice E
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Spectra Analysis Services
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(PCM) based on HSG 248
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Appendix 5 of HSG 227 (2004))
AM01 based on BS EN ISO 4833-1:
AM03 based on BS EN ISO 11290-
AM05 based on BS ISO 21528-2:
AM08 based on BS EN ISO 15213-2:2023 by
AM12 based onโฏBS EN
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Springfields Fuels
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LMM2149, ASTM E112-13 by
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LMM1862, ASTM E112-13 for
to BS EN ISO 6507-1:2018
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Starna Scientific
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Sealed liquid cells containing
prepared from NIST SRM 935a
Toluene/Hexane
Neutral density glass filters
Neutral density glass filter
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Surrey County Council
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DIN EN 933-11
DIN EN 1097-6
DIN EN 1097-1
DIN EN 1097-2
DIN EN 933-3
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