Design and Development of a Petrol-powered Hammer mill for rural .Design and Development of a Petrol-powered Hammer mill for rural Nigerian Farmers. Adekomaya, S.O., and Samuel,O.D. Department of Mechanical Engineering, Olabisi Onabanjo University, Nigeria. *Corresponding Author: oludaisiyetundegmail. Abstract. A conventional hammer mill is a device consisting of a.hammermill fullsieve pdf design,Hammer MillsPrater mills are widely used throughout the process industries for many different particle reduction applications requiring high capacities, power efficiency and uniform particle size. All six models feature our exclusive. Full Screen design, a proven system that ensures use of the entire available screen area, enhancing end.