Popular Automatical Los Angeles Abrasion Testing Equipment

Product Uses Popular Automatical Los angeles abrasion testing equipment Los angeles abrasion testing machine measure under the standard condition,coarse aggregate (sand) resistance to friction and impact ,abrasion loss expressed by percentage . The L.A. abrasion machine is used to test crushed rock, slag, and gravel for their resistance to abrasion. The unit has a welded steel drum that has a 28" I.D. and is 20" long. The drum and the frame are welded to ensure strength and have a tight fitting cover and gasket. The drum is rotated at 30-33 RPMs by a 1 hp motor that is run through a gear reduction unit. The control panel has start, stop, and reset buttons. There is a manually set counter that stops the rotation at a preset number of revolutions. The drum can be turned by hand for ease in loading. The unit is furnished with a catch pan and 12 steel balls. Feature Los Angeles abrasion loss method is an important index, especially for the stones using performance of concrete and asphalt mixture and grass-roots stone rutting resistance, compressive strength, abrasion resistance and durability are closely related. Specification Technical Parameters Parameter Names Details Voltage 380V±5V Sample cylinder inner diameter 710mm±5mm Inside length 510mm±5mm Sample tube rotary speed 30r/min-33r/min Steel ball wheel test Diameter 46.8mm Mass 390g—445g The total mass of 12 abrasion test ball 5000g±25g Warranty Replacement warranty : 1 year Packaging After-sale service Certificate CONTACT US