Los Angeles Abrasion Testing Machine

BIS-2386. For determination of resistance to wear of coarse aggtregate by abrasion. A rolled steel drum totally closed except for removable dust-tight cover is connected to stub shaft and mounted on steel frame to allow rotation about its axis in a horizontal plane. The drum is rotated by one h.p. electric motor. A heavy duty speed reducer coverts the motor speed to required drum speed of 30 to 33 r.p.m. inside the drum is provided a steel shelf which can be easily replaced when worm out due to repeated abrasion tests. Supplied with 12 abrasive charges 48 mm. dia and Revolution Counter fitted to rotating shaft.