Scope
EN 17285
Railway Composite Brake Blocks - Requirements
This test method establishes performance requirements and acceptance criteria for composite (non-asbestos) brake blocks used in freight wagon braking systems. It evaluates friction characteristics, thermal stability, wear resistance, and compatibility with brake disc or wheel surfaces under representative operational conditions. Freight operators and brake block manufacturers use this test to ensure component reliability and safe braking performance in heavy-duty rail transport. Accreditation is critical for laboratories conducting brake block qualification testing to provide independent verification of compliance with European technical specifications for freight wagon safety.
What it measures
- Coefficient of friction under varied temperatures
- Wear rate and durability characteristics
- Thermal stability and fade resistance
- Compatibility with disc or wheel materials
- Dimensional stability and surface integrity
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DIN EN 16185-1
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BS EN 16185-1
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NF EN 16185-1
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UNI EN 16185-1
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UNE EN 16185-1
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NEN EN 16185-1
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DIN EN 13979-1
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BS EN 13979-1
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NF EN 13979-1
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UNI EN 13979-1
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UNE EN 13979-1
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NEN EN 13979-1
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DIN EN ISO 12185
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DIN EN ISO 20884
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Spinocerebelläre Ataxien
Bindegewebserkrankungen: ACTA2, COL1A1,
HD; Chorea Huntington
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Dentatorubrale-Pallidoluysiane
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Durchfluss von 2 m3/h bis 800 rn3/h
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Volumendurchfluss
dV/dt von
strörnenden
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DIN EN ISO 717-1
DIN EN ISO 10052
DIN EN ISO 10140-1
DIN EN ISO 10140-2
DIN EN ISO 10140-4
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SGS Germany
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IEC 61000-4-2: 2008
IEC 61000-4-3: 2006
IEC 61000-4-4: 2012
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DIN 51757
ASTM D 4052
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DIN EN 10328
DIN 50190-3
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Härte (WPM) 80 HBW
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SIKA Siebert & Kühn
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Vickers hardness test (ISO 6507)
Absolutdruck p abs *
> 61 bar
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> 60 bar
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Bauart wie GR 1482
DIN ISO 48-4
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DIN EN IEC 61000
IEC 61000-4-4: 2012
IEC 61000-4-5: 2005
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DIN 58953-6
DIN 1946-4
DIN EN 13959
DIN EN ISO 8536-4
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VDE 0847-4-2
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VDE 0847-4-3
IEC 61000-4-4: 2012
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Akustische Messgrößen*
Schalldruckpegel (Freifeld), (bezogen au
Freifeld-Leerlauf- oder 125 Hz
˃ 250 Hz
mit / ohne Windschirm > 8 kHz
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SPS electronic
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- Gleichspannung
Messgeräte 1 mV
> 330 mV
3,3 V
Messgeräte 0,33 V
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Härteprüfmaschinen
Acoustics — tonality assessment (DIN 456
Noise measurement on railway vehicles —
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