Los Angeles Abrasion Testing Machine

Los Angeles Abrasion Testing Machine

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Los Angeles machine consists of a hollow steel cylinder, closed at both ends having an inside diameter and an inside length of mounted on stub shafts about which it rotates on a horizontal axis. An opening is provided in the cylinder for the introduction of the test sample. A removable cover of the opening is provided in such a way that when closed and fixed by bolts and nut, it is dust-tight and the interior surface is perfectly cylindrical. A removable steel shelf projecting radically 8.8 cm into the cylinder and extending to the full length of it is mounted on the interior surface of the cylinder rigidly parallel to the axis. The shelf is fixed at a distance of 125 cm from the opening, measured along the circumference in the direction of rotation. The weight of the sphere used as the abrasive charge and the number of spheres to be used are specified depending on the gradation of the aggregates tested.

Features:-
Flawless finish
Affordable prices
Specifically designed
Electronic safety interlocks allow operation only with doors secured
Powerful 1hp motor rotates drum through slip-clutch protected chain drive
Enclosure lined with sound attenuating foam
Precision performance
Reliable
Fitted with a revolution counter
Available with optional accessories
Highly accurate results
Less maintenance

Technical Specification:-
The machine consists of a hollow cylinder mounted horizontally on a study frame on ball bearings. There is an opening which can be closed with a dust tight cover to facilitate charging and discharging the drum with the material under test.
A detachable shelf which extends throughout the inside length of the drum which catches the abrasive charge and does not allow it to fall on the cover.
The drum is rotated by an electric motor through a heavy reduction gear at a speed of 30 -33 rpm.
A revolution counter is fitted to the frame.
A tray is supplied for collection of the material at the end of the test.
Complete with abrasive charge consisting of a set of twelve hardened steel balls, approximately 48 mm diameter.
Suitable for operation on 440 volts, 3 phase, 50 cycles, AC supply.
A revolution counter
A tray
Steel Spherical Balls
Sieves
Soundproof security cabinet
Extra catch-pan
Wear-Resistant Steel Shelf