Los Angeles Abrasion Machine
The Los Angeles test covers the procedure for testing coarse aggregates for resistance to abrasion. The Los Angeles Abrasion machine consists of a rolled steel drum with an inner diameter of 711 mm and an internal length of 508 mm.
The drum is rotated by a speed reducer driven by an electric motor at a speed of between 31 and 33 r.p.m.
Equipped with an automatic counter, the drum of the Los Angeles Abrasion machine can be preset to perform for either a set number of revolutions or or a pre-defined duration. The unit is supplied without the abrasive charge, which has to be ordered separately depending on the standard in use (see accessories).
The machine is supplied without the safety cabinet and it can be upgraded with:
- A CE compliant safety cabinet with door opening switch
- A noise reduction and CE compliant safety cabinet with door opening switch
For more info please refer to accessories and to related products sections.
- High stiffness welded steel frame
- High resolution graphical display 128 x 80 pixels
- 6 keys membrane keyboard
- 8 languages can be set: Italian, English, French, Spanish, Polish, Portuguese, Romanian and Cesky
- Double test procedure: ability to set the target revolutions / drops or the total working time
- Los Angeles Abrasion machine can be mounted inside a noise reduction and CE compliant safety cabinet with door opening switch.
STANDARD MODELS 48-D0502 – 48-D0504
- Power: 740 W
- Dimensions approx.: 1005x820x950 mm
- Weight approx.: 350 kg
SAFETY CABINETS
48-D0500/CB
Dimensions (W x D x H): 1122 x 975 x 1292 mm
Total weight: 95 kg approx
SAFETY CABINETS (For old models)
48-D0500/CB1
Dimensions (W x D x H): 1122 x 975 x 1292 mm
Total weight: 85 kg approx.
48-D0500/CB2
Dimensions (W x D x H): 1122 x 975 x 1292 mm
Total weight: 95 kg approx.
Note:
The EN 12697-17 method (Cantabro test) concerns the determination of the particle loss (abrasion) of porous asphalt mixtures and the EN 12697-43 concerns the determination of the resistance of a bituminous mixtures or pavement to aviation fuel. Both procedures involve, within other standard laboratory tests, the abrasion in a Los Angeles tester conforming to EN 1097-2 without steel balls. Furthermore the EN 12697-17 prescribes a chamber or enclosure for the Los Angeles machine as the temperature shall remain constant with an uncertainty of 2°C.
This condition can be easily obtained by the soundproof and security cabinet 48-D0500/CB2 which is however necessary to comply with CE directive.
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