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
1,632
Accredited labs
19
Countries
Showing 1,376–1,400 of 1,632 labs
Widerstands- -25 °C
Railway braking — urban guided transport
–25 °C
Railway vehicle body structural requirem
Thermoelementsensor -25 °C
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UCL Umwelt Control Labor
Active
DIN EN ISO 3170
DIN 19698-1
DIN 19698-2
DIN 19698-5
DIN 19698-6
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FNED142 BS EN ISO 11816-
FNES67 (P1) based on BS EN ISO
FNES16 (F13) based on ISO 6579-1:2017+A1
FNES16 (F13) based on BS EN
ISO 6579-1
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UL International (UK)
Active
DIN EN 12209
DIN EN 1155
DIN EN 12179
DIN EN 1935
DIN EN 1670
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UL International Germany
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IEC 61851-1: 2010
IEC 61851-23
IEC 62109-1
IEC 62109-2
IEC 61010
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UL International Italia Srl
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DIN EN 60068-2-30
IEC 61000-6-1
AS/NZS CISPR 22:2006
IEC 61000-6-2: 2005
ETSI EN 303 446-2
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UL VS
Active
(HSG 264, 2012)
and Appx. 3 of HSG 227 (2004))
guides HSG 264 (2012) and
ACoP L8 and BS 8580-1:2019
UNIMA Präzisionsmaschinen
Active
Messschieber für 0 mm
Außen-, Innen- und
Bügelmessschrauben 0 mm
Messuhren mit
Feinzeiger
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UNIVERSITAT DE GIRONA
Active
UNE-EN 25663
UNE-EN 872
UNE-EN ISO 6878
UNE EN 27888
UNE-EN ISO 10523
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URIKER
Active
UNE 77061
SM 4500-NO-3 E
UNE-EN ISO 7027-1
ISO 15923-1
UNE-EN ISO 7393-2
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UNE-EN ISO 16859-2 (Método indirecto)
UNE-EN ISO 6507-2
ASTM E 92
UNE-EN ISO 6508-2 (Método indirecto)
UNE-EN ISO 6506-2 (Método indirecto)
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Umweltlabor ACB
Active
DIN EN ISO 5667-1 (A 4)
DIN 38402-A 11
DIN 38402-A 12
DIN 38402-A 13
DIN ISO 5667-5 (A 14)
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Uniper Technologies
Active
DIN EN 13284-1
BS EN ISO 23210:2009
requirements of BS EN 14181:2014
IEC 60519-11
requirements of BS EN
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Chronic progressive external
LENGTH
Micrometer heads
Dial gauges and dial test
Depth
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University of Salford
Active
DIN EN 12667
ISO 8301
DIN EN 12939
DIN EN 12664
DIN EN ISO 13163
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University of Salford
Active
Pistonphones
Microphones
LS2/WS2 microphones
based:
Reverberation Time
Achromatopsie (Panel) (ATF6, CNGA3, CNGB
Albinismus (OCA2)
Alport-Syndrom (Panel) (COL4A1, COL4A3,
Amyloidose (Panel) (APOA1, APOA2, APP, B
Arrhythmien (Panel) (ACTC1, ACTN2, BAG3,
+ 3 more
DIN EN 442-2
DIN EN 16430-1
DIN EN 16430-2
DIN EN 16430-3
DIN 4703-3
+ 3 more
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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DIN EN ISO 4590
DIN EN ISO 9053-1
DIN EN ISO 12571
DIN EN ISO 12572
DIN EN ISO 15148
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Universitätsklinikum Aachen AöR (Uniklinik RWTH Aachen) Institut für Humangenetik und Genommedizin
Active
Syndrom/Silver-Russell-Syndrom)
SMN1 (SMA)
FMR1-Gen (fraX, POF, FXTAS)
Charcot-Marie-Tooth-Erkrankung
Cardiolipin (CMT)
+ 3 more
Adrenalin
Dopamin
5-Hydroxyindolessigsäure
Homovanillinsäure
Noradrenalin
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Universitätsklinikum Aachen AöR (Uniklinik RWTH Aachen) Zentrum für Humangenetik und Genommedizin
Active
(Long Read): SNV, CNV, Repeats
FMR1-Gen (fraX, POF, FXTAS)
Charcot-Marie-Tooth-Erkrankung
Cardiolipin (CMT)
GARS1, GDAP1, GJB1, HSPB1, IGHMBP2, LITA
+ 3 more
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