Laboratory Ball Mill
The ball mill body, or shell, is of gray cast iron, 12 inches inside diameter, 7 inches between the two machined driving ribs. Openings in the centers of heads allow free access of air during the grind, dupli ing commercial scale plant conditions. The driving power is peripheral, applied frictionally through the supporting rollers.
Ball - Wikipedia
A ball is a round object usually spherical, but can sometimes be ovoid with various uses. It is used in ball games, where the play of the game follows the state of the ball as it is hit, kicked or thrown by players.
Stamp mill - Wikipedia
Early mills were water-powered but mills can also be steam or electric powered. A stamping mill may refer to a factory that performs stamping. See also. Ball mill - a horizontal cylinder containing metal balls to crush the material; Hammermill - a more modern device that also can crush material to fines.
Mill grinding - Wikipedia
A typical type of fine grinder is the ball mill. A slightly inclined or horizontal rotating cylinder is partially filled with balls, usually stoneor metal, which grind material to the necessary fineness by frictionand impact with the tumbling balls. Ball mills normally operate with an approximate ball charge of 30%.