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Essais de matériaux Fondation  Machine Los Angeles

Controls - Machine Los Angeles

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).

    • 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.

    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

    Label/normes

    AASHTO T96 | ASTM C131 | EN 1097-2 | EN 12697-17 | EN 12697-43

    Spécifications techniques

    STANDARD MODELS 48-D0500/G, /GY, /GZ

    • Power: 740 W
    • Dimensions approx.: 1005x820x950 mm
    • Weight approx.: 350 kg

    SAFETY CABINETS

    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.

    Numéros de commande

    48-D0502: Los Angeles Abrasion Machine conforming to EN and  ASTM standards. 220-240V, 50-60Hz, 1ph.

    Accessoires

    Safety cabinet

    48-D0500/CB1: CE compliant safety cabinet with door opening switch for Los Angeles machine

    48-D0500/CB2: Noise reduction and CE compliant safety cabinet with door opening switch for Los Angeles machine

     

    Abrasive charges

    48-D0505: Set of 12 abrasive charges ASTM/UNI

    48-D0505/A: Set of 12 abrasive charges conforming to EN 1097-2

    Contact

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