Deval Abrasion Machine
For resistance of aggregate that is caused by wear two hollow cylinders are attached. These cylinders are closed at one end and are provided with tight fitted covers at the other end. The inside diameter of the cylinder is of 20cms and 34cms depth. These cylinders are mounted on a shaft at an angle of 30 degrees with the axis of rotation. The shaft rotates at 30-33 r.p.m through a reduction gear, coupled to a motor.
Suitable for operation on Three phase AC Supply with 440 volts & 50 cycles. The m/c is fitted with a push button and counter starter for easy user interface. Complete with abrasive charge the machine consists of 12 cast iron spheres of steel spares. The spares are steel balls that are hardened & are of approximately 48mm dia meter, each weighing between 390-445 gram.