A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use in mineral dressing processes, . A rock tumbler functions on the same principle. . The ball mill is a key piece of equipment for grinding crushed materials, and it is widely .. Create a book · Download as PDF · Printable version.
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A stamp mill is a type of mill machine that crushes material by pounding rather than grinding, . Both texts mentioned the use of vertical stamp mills for ore crushing. . were based on Cornish stamps and were used in the Californian gold mines. . Ball mill a horizontal cylinder containing metal balls to crush the material.