) =Z= δ s max = Distance from neutral axis to outer, m; Fig. ( 11) showed a schematic of design hammer mill. Also,Fig. Fig. ( 1 )1: Schematic of design hammer mill 1-Main frame,2-Single phase Electrical motor 1 k Watt, 3-Hammer mill housing,4-Hammer mill, 5-Sieve, 6-Feeding hopper,7-Hammer mill shaft,8-Driven pulley, 9-Belt, 10-Drive pulley ...