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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Atlas Copco Tools Central Europe

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B + B Thermo - Technik

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DAkkS D-K-21102-01-00 Donaueschingen, DE
Temperaturmessgrößen Temperatursensoren in Railway bogies — wheelsets and bogies st Railway braking — urban guided transport Railway vehicle body structural requirem + 3 more
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BFSV Verpackungsinstitut Hamburg

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DAkkS D-PL-19253-01-00 Hamburg, DE
DIN 52186 ISO 21527-1 DIN EN ISO 527-3 IEC 61924-2 DIN EN 62233 + 3 more
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BP Europa SE Aral Forschung

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DIN EN ISO 6246 DIN 53160-1 DIN EN ISO 22854 (LBLS) (OMIM 611105) (c.228- DIN EN 13016-1 + 3 more
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Bareiss Prüfgerätebau

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DAkkS D-K-15206-01-00 Oberdischingen, DE
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Bax Engineering

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DAkkS D-K-20341-02-00 Bad Nenndorf, DE
Temperaturanzeigegeräte –100 °C bis - Direktanzeigende Thermometer - Thermopaare, Thermoelemente verwendete Abkürzungen:
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Bayerisches Landesamt für Gesundheit und Lebensmittelsicherheit

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Bernhard-Nocht-Institut für Tropenmedizin

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Bilfinger Engineering & Maintenance

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Bioscientia Institut für Medizinische Diagnostik GmbH Bioscientia MVZ Berlin

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Bioscientia Institut für Medizinische Diagnostik GmbH Bioscientia MVZ Freiburg

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Bioscientia Institut für Medizinische Diagnostik GmbH Bioscientia MVZ Ingelheim

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Bioscientia Institut für Medizinische Diagnostik GmbH Bioscientia MVZ Jena

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DAkkS D-ML-13452-05-00 Jena, DE
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Bioscientia Institut für Medizinische Diagnostik GmbH Bioscientia MVZ Mainz

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DAkkS D-ML-13452-07-00 Mainz, DE
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Bioscientia Institut für Medizinische Diagnostik GmbH Bioscientia MVZ Nordrhein

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DAkkS D-ML-13452-06-00 Moers, DE
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Bioscientia MVZ Labor Karlsruhe

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Bioscientia MVZ Labor Mittelhessen

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DAkkS D-ML-19774-01-01 Gießen, DE
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Bioscientia MVZ Labor Saar

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Bizerba SE &

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DAkkS D-PL-15018-01-00 Balingen, DE
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Blower Door

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DAkkS D-K-19788-01-00 Springe-Eldagsen, DE
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Bremer Umweltinstitut Gesellschaft für Schadstoffanalytik und Begutachtung

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DAkkS D-PL-18812-01-02 Bremen, DE
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Bundesanstalt für Materialforschung und -prüfung (BAM) Abteilung 7 / Bauwerkssicherheit

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DAkkS D-PL-11075-01-01 Berlin, DE
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Bundesanstalt für Materialforschung und -prüfung (BAM) Fachbereich 8.1; Sensorik, mess- und prüftechnische Verfahren

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Conformity assessment — requirements for Railway composite brake blocks — require 0,2 kN 0,4 kN 100 kN + 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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