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 76–100 of 1,632 labs
NF S92-501 (mars
EURAMET cg-18
CEM Ed
CEM GUIA
CEM TH-001
CEM TH-007
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DIN EN 13864
DIN EN 14808
DIN EN 12235
ISO 2549
ISO 4919
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UNE-EN 71-1
ISO 8124-1
ISO 8124-2
ASTM F963-17
(NM_001718: c.1-c.500)
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DIN EN ISO 11612
DIN EN ISO 3175-2
ISO 17493
DIN EN ISO 17227
DIN EN ISO 6330
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UNE-EN ISO 10545-2
UNE-EN ISO 10545-3
ASTM C373
UNE-EN ISO 10545-4
UNE-EN ISO 10545-5
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UNE-EN 772-11
UNE 136029
DIN 4772:1979
DIN EN 16510-2-4
DIN EN 17539
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ISO 5667-5
DIN EN 12457-2
ISO 18787
DIN EN ISO 6888-1
UNI 10802
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Gleichstromleistung
/ Messgeräte
Wirkleistung
Leistungsfaktor
- Gleichspannung
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IEC 15408-1
IEC 18045
IEC 18367
IEC 20543
IEC 20004
ASTM E8/E 8M
DIN EN 10002-1
DIN EN 10002-5
DIN EN ISO 6892-2
DIN EN ISO 643
+ 3 more
AVEYRON LABO
Active
DIN EN ISO 14403-2
NF V 04-407
NF T 90-412
DIN EN ISO 7899-1
DIN EN ISO 10304-1
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AVL DiTEST
Active
Abgasmessgeräte für
− Abgasmessgeräte für Fremdzündungsmotor
Kohlenstoffmonoxid
Kohlenstoffmonoxid CO
Kohlenstoffdioxid CO2
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AWE
Active
(HSG 248) – 2021
LQP007 based on HSG 248
LQP003 based on HSG 248
(PCM) based on HSG 248
the guidance of GPG 14
PERSONAL DOSE EQUIVALENT:
RESPONSE:
Absolute Calibration
Active
DC Resistance
CFH-Gen, Macula-Degeneration
DC RESISTANCE (continued)
DC VOLTAGE
DC VOLTAGE (continued)
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Acorn Analytical Services
Active
(HSG 248) – 2021
(PCM) based on HSG 248
staining based on HSG 248
(HSG 264, 2012)
Appendix 5 of HSG 227
ISO 11654
BS EN ISO 10140-2:2021
ISO 7171
ISO 354
BS EN ISO 10140-3:2021
+ 3 more
Sound Calibrators
Pistonphones
based:
level
Microphones
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DIN EN ISO 11127-6
DIN EN 13727
1) BS EN ISO 11930:2019+
2) QMIC WI 22, based on BS EN
UNI 11299
DIN EN ISO 6888-2
UNI 03
BS EN 15662
DIN EN 14675
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Taupunkttemperatur
Railway braking — urban guided transport
Temperaturtransmitter
Widerstandssensor *)
–30 °C
+ 3 more
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