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
🇫🇷
NF EN 14363
🇮🇹
UNI EN 14363
🇪🇸
UNE EN 14363
🇳🇱
NEN EN 14363
1,632
Accredited labs
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DIN EN ISO 717-1
DIN EN ISO 10052
DIN EN ISO 10140-1
DIN EN ISO 10140-2
DIN EN ISO 10140-4
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SGS Germany
Active
IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
IEC 61000-4-6: 2013
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DIN 51757
ASTM D 4052
DIN EN ISO 12185
DIN EN ISO 3405
DIN EN 13016-1
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SGS INSTITUT FRESENIUS
Active
DIN EN ISO 2639
DIN EN ISO 6507-1
DIN EN ISO 6508-1
DIN EN 10328
DIN 50190-3
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SGS INSTITUT FRESENIUS
Active
Tensile testing of metallic materials (I
Vickers hardness test (ISO 6507)
Taupunkttemperatur
mit Anzeige > −40 °C
Railway bogies — wheelsets and bogies st
+ 3 more
SIANTEC- Silvio Herzog e. K.
Active
Härte (WPM) 80 HBW
und Knoop-Verfahren 150 HV
(Härteskalen HV5 bis HV100)
150 HV
(Härteskalen HV 0,1 bis HV 3)
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Absolutdruck Pabs
> 0,05 bar
Negativer und
positiver Überdruck p
(ein- oder mehrgängige
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SKZ - Testing
Active
Bauart wie GR 1482
DIN ISO 48-4
DIN ISO 7619-2
DIN EN ISO 868
DIN EN ISO 2039-1
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IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
DIN EN IEC 61000
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
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DIN EN ISO 11737-2
DIN 58953-6
DIN 1946-4
DIN EN 13959
DIN EN ISO 8536-4
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SMA Solar Technology
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IEC 61000-4-2: 2008
VDE 0847-4-2
IEC 61000-4-3: 2006
VDE 0847-4-3
IEC 61000-4-4: 2012
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SPS electronic
Active
- Gleichspannung
Messgeräte 1 mV
> 330 mV
3,3 V
Messgeräte 0,33 V
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Acoustics — tonality assessment (DIN 456
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