Dandruff stuck to the parts of the flour, used to separate. So is the increased efficiency are flour mills. Principle of operation into a rapidly spinning rotor into the product. Pallets, the body of the rotor to the machine, quickly slap him through the sieve and bran flours in food. This event is repeated continuously. Meanwhile, parts of flour sifted flour thrown out progresses. The elimination of dandruff by preventing the flow rate through the rotor is increased. If requested in connection machine aspiration can be done. Provides a clean separation of bran in the flour