... paddy,corn,soybean,wheat,sorghum and other types of grains. The formation of Drum Sieve: motor,transmission shaft,screen drum, ... factor: 1.Flow/runoff Control the average runoff of the grain,if the runoff is too large,the ... small.2.the mesh sizeThere are 3 kinds of mesh sizes,choose the best one due to ... :13~20mm; Checking section:10~15mm3.the speed of screen drum Choose the best suitable speed,or that ...