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
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DIN EN 14363
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BS EN 14363
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NF EN 14363
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UNI EN 14363
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UNE EN 14363
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NEN EN 14363
1,399
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Messschieber für 0 mm
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Feinzeiger
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Umweltlabor ACB
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DIN EN ISO 5667-1 (A 4)
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DIN 38402-A 12
DIN 38402-A 13
DIN ISO 5667-5 (A 14)
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Achromatopsie (Panel) (ATF6, CNGA3, CNGB
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DIN EN 442-2
DIN EN 16430-1
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DIN 4703-3
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Sound power — engineering method using a
Sound power — survey method (ISO 3746)
Sound power — in-situ using reference so
Sound intensity — scanning method (ISO 9
Sound intensity — scanning method part 2
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Universitätsklinikum Aachen AöR (Uniklinik RWTH Aachen) Institut für Humangenetik und Genommedizin
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SMN1 (SMA)
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FMR1-Gen (fraX, POF, FXTAS)
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