ASTM D2-33 & IS 2386 (PART IV)
For The Determination of Resistance of Aggregates to Wear by Abrasion.
It consists of two hollow cylinders closed at one end and provided with Fitting covers at the either end. These cylinders are mounted an a shaft 0 at angle of 30 with the axis of rotation of the shaft. The shaft rotates at 30-33 RPM. Through a reduction gear operated by a motor and is provided with a revolution counter. Complete with Abrasive Charge consisting of 12 Nos. Hardened steel Balls of 48mm dia. Suitable for operation on 440 Volts, Three Phase, 50 Cycles, A.C. supply.
Option of Digital Preset Counter can be provided at an Extra Cost