The Controls Group USA Los Angeles abrasion machine is used to test aggregate toughness and abrasion characteristics.
The machine consists of a rolled steel drum having an inside dia. of 711 mm and internal length 508 mm. The drum is rotated by an electric motor that turns at 31-33 rpm’s. The machine is equipped with an automatic counter, which can be preset to the required number of revolutions of the drum or the total working time. The unit is supplied without the charges.