Scope
UIC 644
Railway Coach Bogie Behavior Assessment
This standard specifies the behavior and performance requirements for Y25 bogie type coaching stock bogies, focusing on derailment resistance, curving performance, and stability characteristics. It provides test methods and acceptance criteria for evaluating bogie performance through simulation, calculation, and track testing to ensure safe operation across varying track geometries and speeds. Compliance verification is mandatory for coach manufacturers, bogie suppliers, and infrastructure operators to maintain interoperability and prevent accidents. Accredited testing ensures comprehensive evaluation against standardized criteria, reducing operational risks and supporting evidence-based vehicle certification.
What it measures
- Derailment coefficient and safety margin against derailment
- Lateral and vertical wheel loads on curves
- Curve-climbing behavior and stability
- Dynamic response to track irregularities and switches
- Forces on bogie frame and guidance components
🇩🇪
DIN EN 14363
🇬🇧
BS EN 14363
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NF EN 14363
🇮🇹
UNI EN 14363
🇪🇸
UNE EN 14363
🇳🇱
NEN EN 14363
1,632
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19
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d V /d t von 10 mL/min
Railway pantographs — requirements for m
7,1 L/min
10 mL/min
dm/dt von
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Wagner Umweltgeologie
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DIN EN ISO 5667-1 (A 4) *
DIN 38402-A 12 *
DIN 38402-A 13 *
DIN EN ISO 5667-3 (A 21) *
DIN 38402-A 30 *
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DIN EN 2561
DIN EN ISO 14126
DIN EN ISO 14125
DIN EN 2563
DIN 53504
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Weiss Technik
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Temperaturmessgrößen -80 °C bis
> -40 °C bis
Klimaschränken mit Umluft
> 0 °C bis 100 °C
> 100 °C bis 150 °C
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Weiss Technik
Active
Vickers hardness test (ISO 6507)
Temperatur −80 °C
Widerstands- > −40 °C
thermometer; > 0 °C
direktanzeigende > 100 °C
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Steuerungssoftware Messvolumen mit einer
Werth Messtechnik ≤ 2330 mm
GmbH, Gießen, D
Werth Messtechnik ≤ 600 mm
Werth Messtechnik ≤ 150 mm
Wessex Power Technology
Active
TEMPERATURE
controllers, and recorders)
RELATIVE HUMIDITY
Westenberg Engineering
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− Durchfluss von Gasen
− Volumen von strömenden Gasen
− Strömungsgeschwindigkeit von Gasen
Durchflussmessgrößen 0,5 m/s
Strömungsgeschwindig
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DIN IEC 60060-1
VDE 0432- 1
IEC 60270
VDE 0434
DIN EN 61243-1
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Kohlenstoffmonoxid *)
Kohlenstoffdioxid
Propan *)
Stickstoffmonoxid
Distickstoffmonoxid
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Analysts’ Guide (HSG 248)
(PCM) based on HSG 248
staining based on HSG 248
(HSG 248) – 2021
SOP 12 based on HSG 248
(PCM) based on HSG 248
SOP 11 based on HSG 248
Westward Laboratories
Active
ISO 21528-2
BS ISO 4832:2006
BS ISO 16649-2:2001
Method No 2.9 based on BS EN ISO
Method No 2.12 based on BS EN
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White Lab srl - Eurolab
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DIN EN 1186-3
IEC 62321-3-1
ISO 10195
EPA 6020
DIN EN 12457-2
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White Lab srl - Labostudio
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ISO 10195
DIN EN ISO 11641
DIN EN ISO 3377-1
DIN EN ISO 11642
DIN EN ISO 17228
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Wil-Test Solutions
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BS 1377-2:2022
BS 1377-9:1990
DIN EN 1097-5
BS EN ISO 17892-1:2014+A1:2022
purposes (BS 1377-2:2022
Winkhaus (UK)
Active
DIN EN 12046-2
DIN EN 12094-8
DIN EN 949
BS 6375-2:2009
DIN EN 950
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Wocken Industriepartner
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Parallelendmaße aus 0,5 mm
DIN EN ISO 3650:1999
Einstelldorne
Durchmesser 3 mm
Durchmesser 5 mm
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Wood Group UK
Active
IEC 61400-12-1
IEC 61400-12-3
IEC 61400-50
IEC 61400-12
IEC 61400-50-2
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Charpy impact test (ISO 148-1)
nichtselbsttätigen
elektronischen
Ersatzlastverfahren
(Staffelverfahren)
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WÄGETECHNIK WEHLE
Active
Charpy impact test (ISO 148-1)
Salt spray / neutral salt fog test (ISO
Radiated emissions (CISPR 32)
1) In den CMC sind die erweiterten Messu
Durchfluss von Gasen 25 m³/h
Volumendurchfluss
Railway pantographs — requirements for m
XEFRA SRL
Active
DIN EN 60079-11
DIN EN 60079-2
DIN EN 60079-31
DIN EN 60079-1
IEC 60079-1
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Yadav Measurements Private
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DIN EN 55022: 2011
CISPR 22 (1997/2006/2008)
IEC/CISPR 16-2-1
CISPR 32 (2015) + A1 (2019)
AS/NZS CISPR 11:2004
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Z LAB Srl
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DIN EN ISO 11546-1
UNI EN ISO 9295
DIN EN ISO 11957
ISO 354
ISO 3741
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