It is used for decomposing and grinding operations at semolina passages of flour factories. Feeding is made from center of machine. Broken but not disintegrated, fine and middle structured semolina and other foreign materials on semolina are separated from each other and broken up in passages. It is used for dispersion and pulverization of semolina according to diagram. It increases flow from sieves. It makes grinding by crushing particles, with similar grain sizes, to each other and to the rotor walls.