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
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Gleichspannung 10 mV Quellen > 100 mV > 1 V > 10 V > 100 V + 3 more
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ASTM C 1166 IEC 60512-16-7 ID168 IEC 60512-16-9 AK gegen Sc1-70 + 3 more
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aller Untersuchungsverfahren im flexible Webpräsenz des Medizinischen Laboratoriu (VWF:CB) vWF-Multimere Erythrozyten + 3 more
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Akkreditierungsbereich. Die Liste ist Erythrozyten Leukozyten Hämatokrit Thrombozyten + 3 more
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am Standort DSA Daten- und Systemtechnik Schreibendes Bremsmessgerät (HU-Adapter) Beschleunigung + 1 more
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Metrologic Group GmbH, nalen von: Wernau, D Neuss, D ≤ 1515 mm Wetzlar, D S.p.A., Turin, I + 3 more
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DIN 4420-1 DIN 4420-3 DIN EN 61347-1 ISO 12117-2 DIN 53449 + 3 more
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VDE 0113-201 VDE 0113-202 DIN EN 60204-1 EN 61508-1: VDE 0803-1 + 3 more
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Industries

Coach and passenger vehicle manufacturers Bogie and suspension system suppliers Railway operators and depot maintenance Track infrastructure and maintenance organizations Vehicle type approval and certification bodies

Related Standards

  • UIC 518 Railway applications — Tests for the acceptance of running characteristics of railway vehicles
  • EN 14363 Railway applications — Running gear — Testing and validation of running behaviour and safety
  • UIC 505-1 Railway vehicles — gauge limits — Part 1: Rolling stock

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