It is used for classifying cereal from straw,ear and other foreign substances.lt is used in accordance with their volume as a classificator in all legumes plants as well as flour milis. Sieves can be easily changed according to features of the product which will be classified. Screening angle of the grain separator can be adjusted.Additionally, angles of vibro motor can be adjusted in accordance with screening feature. Body construction is designed in order to absorb vibration of the equipment.