The Los Angeles Abrasion Machine is used for determination of the aggregates resistance to fragmentation. The machine consists of an electronic control unit and a rolled steel drum having an inside diameter of 710 mm and internal length of 510 mm. The drum is rotated at a speed of 30-33 r.p.m. The machine is equipped with an automatic counter, when the preset revolution count is reached, the machine will stop automatically. The drum is equipped with an interlock device which allows the operator to lock the drum into position for easy loading/unloading of the sample.
Technical Specification:-
Inner Diameter : Φ710 ± 5mm
Inner Length : 510 ± 5mm
Speed : 30–33 RPM
Steel Ball : 405 to 450g
Counter : 4bit
Power : 3-phase, 1.1KW (Three-phase to four-wire supply)
Standards : ASTM C-1311, C-535
