ألمانيا المصنعين مطحنة الكرة. كرات طحن في الكرة المصنعين مطحنة. Ball mill - Wikipedia. A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing, The ball mill is used for grinding materials such as coal, pigments, and feldspar for pottery Grinding can be carried out either wet or dry but the former.