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 (λ)
- Wheelset geometric parameters and deviation
- Contact point position relative to wheel center
- Stability characteristics and steering forces
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DIN EN 13262
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BS EN 13262
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NF EN 13262
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UNI EN 13262
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UNE EN 13262
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NEN EN 13262
1,632
Accredited labs
19
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Showing 201–225 of 1,632 labs
Bridgend Asbestos Services
Active
(HSG 248) – 2021
P10.2 based on HSG 248
(PCM) based on HSG 248
British Engineering Services
Active
ÖNORM EN ISO 3452-1
BS 3923-1:1986(Withdrawn)
ASTM E165-23
BS 4124:1991(Withdrawn)
DIN EN 10228-3
+ 3 more
Based on ISO 10312:2019 and ISO
SOP 16 by XRD (ISO BS EN
IEC 60945
IEC 61162-1
IEC 61162-2
IEC 61162-450
IEC 61162-460
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Radioaktivität 50 Bq/m³
Radon-222-
100 Bq/m³
tration in Luft
200 Bq/m³
+ 3 more
DIN EN ISO 2808
DIN EN ISO 3219-2
DIN EN ISO 3838
DIN EN 933-1
DIN EN 933-4
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Conformity assessment — requirements for
Railway composite brake blocks — require
0,2 kN
0,4 kN
100 kN
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Bundesministerium der Verteidigung Bundeswehrkrankenhaus Berlin Abteilung XVI Laboratoriumsmedizin
Active
NRBC-Normoblasten
Anteil unreifer Retikulozyten
Erythrozyten
DELTA-He
Leukozyten
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Blutungszeit PFA ADP
Blutungszeit PFA EPI
PFA-P2Y
Erythrozyten
Hämatokrit
+ 3 more
Leukozyten
Enteroaggregative E. coli
Legionellen
Staphylokokkus aureus
Salmonellen
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DIN ISO 17289
DIN EN ISO 10523
DIN EN 27888
NF X 31-615 (Uniquement
DIN EN 1337-6
DIN EN ISO 1421
DIN EN ISO 3377-1
DIN EN ISO 3377-2
DIN EN ISO 13934-1
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C G C Laboratory
Active
(HSG 248) – 2021
(PCM) based on HSG 248
SOP 5, based on HSG 248
SOP 4, based on HSG 248
/ Messgeräte
Radiometrie 100 µW/cm²
stärkemessgeräte
UV-A 365nm
Linearität der
+ 3 more
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
Radiated emissions (CISPR 32)
verwendete Abkürzungen:
ETSI EN 301 489-1: V2.2.3
EN 61000-3-2 and EN 61000-3-3
IEC 61000-6-1
IEC 61000-4-4: 2012
1.4 Electrostatic Discharge EN 61000-4
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C.W.E. Services
Active
(HSG 264, 2012)
HSG 227 (2004))
Safety Executive guides HSG 264
(2012) and App 3 of HSG 227
(HSG 248) – 2021
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CAL
Active
DIN 38402-A 11
DIN 38402-A 12
DIN 38402-A 13
DIN ISO 5667-5 (A 14)
DIN EN ISO 5667-6 (A 15)
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DIN EN ISO 17294-2
DIN EN ISO 14403-2
DIN EN ISO 13395
VDE 414-9-11
DIN EN ISO 10304-1
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