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
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 14363 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 14363 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 14363 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 14363 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 14363 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 14363
1,632 Accredited labs
19 Countries

Showing 76โ€“100 of 347 labs

UKAS 10636 Earby, GB
ISO 20768:2018)
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UKAS 2245 Uxbridge, GB
Based on ISO 10312:2019 and ISO SOP 16 by XRD (ISO BS EN
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UKAS 2361 Newtownabbey, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248 SOP 5, based on HSG 248 SOP 4, based on HSG 248
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UKAS 0156 Congresbury, GB
(HSG 264, 2012) HSG 227 (2004)) Safety Executive guides HSG 264 (2012) and App 3 of HSG 227 (HSG 248) โ€“ 2021 + 3 more
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UKAS 0334 Glossop, GB
Circular tests for numerically Length measuring ANGLE
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UKAS 2338 Burton-upon-Trent, GB
DIN EN 13284-1 BS ISO 9096:2017 requirements of BS EN 15259:2007 Standard and BS EN 15259:2007 DIN EN ISO 16911-1 + 3 more
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UKAS 0654 Norwich, GB
DC VOLTAGE DC Resistance DC CURRENT AC Current Generation Generation (continued) + 3 more
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UKAS 0789 Great Dunmow, GB
Sound Calibrators FREQUENCY Microphones based: ยฝโ€ & ยผโ€ microphones @ 250 Hz + 3 more
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UKAS 1079 Gloucestershire, GB
BS ISO 488:2008, 2446:2008 and on BS 4401:Part 3:1970(1986) BS 696-2:1989 (superseded and BS ISO 6731:2010 ISO BS EN 3727-1:2002 + 3 more
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UKAS 4301 Llanishen, GB
Electrolytes in blood serum: Enzymes in blood serum: (Chlamydia pneumoniae, Mycoplasma urine: Hormones in blood serum: + 1 more
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UKAS 27202 Paisley, GB
(HSG 264, 2012)
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UKAS 7914 Willsbridge, GB
5 of HSG 227 (2004)) (HSG 264, 2012)
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UKAS 1643 Chelmsford, GB
(cdt), Deletion an Pos 117 (HSG 248) โ€“ 2021 (PCM) based on HSG 248 BS 6068-4.12:1998 (withdrawn)
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UKAS 0822 Southam, GB
Calibration of pressure Gas pressure (gauge) Gas Pressure (Differential) common mode pressure of 3.5 Hydraulic pressure (gauge) + 3 more
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UKAS 0513 Coalville, GB
Liquid-in-glass thermometers ASTM D4052 (Digital density
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UKAS 10148 Humanby, GB
Sound Calibrators Sound Level Meters One-third octave band filters
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UKAS 6536 Leicester, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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UKAS 9102 Bellshill, GB
(HSG 248) โ€“ 2021 SRV-002 based on HSG 248 (PCM) based on HSG 248
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UKAS 0318 Derby, GB
Chronic progressive external Depth Internal Dial gauges and dial test Caliper + 3 more
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UKAS 0595 1 South Gyle Crescent, GB
simulation. parameters and ranges) digital and analogue
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Compli Group

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UKAS 4332 Poole, GB
DC CURRENT DC Resistance Oscilloscope Calibration DC VOLTAGE CAPACITANCE + 3 more
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UKAS 4161 Leicester Forest East, GB
DIN EN 933-11 DIN EN 12390-3 DIN EN 933-3 DIN EN 12390-7 DIN EN 12697-5 + 3 more
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UKAS 0783 Duckmanton, GB
DC CURRENT LENGTH DC Resistance DC VOLTAGE Cold junction compensation + 3 more
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Core Surveys

Active
UKAS 6830 Fletching Common, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248 (HSG 264, 2012)
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UKAS 0756 Redruth, GB
DIN EN 933-1 (PCM) based on HSG 248 (HSG 248) โ€“ 2021 DIN EN 932-1 DIN EN 932-2 + 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 โ€” Tests for the acceptance of running characteristics of railway vehicles
  • EN 14363 Railway applications โ€” Running gear โ€” Testing and validation of running behaviour and safety
  • UIC 505-1 Railway vehicles โ€” gauge limits โ€” Part 1: Rolling stock

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