In the field of extractive metallurgy, mineral processing, also known as ore dressing, is the . Crushing and grinding are the two primary comminution processes. . gyratory crushers and cone crushers whereas rod mills and ball mills, closed . unit, are generally employed for grinding purposes in a mineral processing plant.
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting .. In materials processing a grinder is a machine for producing fine particle size reduction . Rod mills are less common than ball mills for grinding minerals. . SAG mills are autogenous mills but use grinding balls like a ball mill.
A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing . It is reported to have been used for grinding flint for pottery in 1870. .. 18: 301. ^ Mechanical Alloying Technology, Institute of Materials Processing.