Ball mill construction
Ball bearings (that fits the axle) Belts (to drive the pulleys) Table (big and stable to fit all the above. Ball mill jar. Some photos of the constuction. The motor is 1/2hp 0.37kW 1380rpm. A 4in pulley that has been presed in the 20mm axle. A 2in pulley for the motor. The axle.