The hammer mill is fixed with an engine and a power of RP-driven all kinds of different power. 

After the raw materials were put into crushing chamber, the high-speed operated hammer sheets will impact the raw
materials over and over again, then the raw materials will be crushed into pre-set size step by step. Then the crushed
materials will be leak out from the sieve. The draught fan will convey the leaked materials into separator centrifuge. Finally,
the powder material will be discharged down below and the air will be discharged upper

Choose a reliable wood hammer mill manufacturer. Machines look all same outside. So the quality will be more or less similar. Please change your views right now. Wood hammer mill from small workshop must be much more cheap compared with these mills from larger factories, however, the texture of metal will be a tremendous difference. In general, stainless steel 4Cr13 means the carbon content is 0.4% and chrome content is 13%. The higher the carbon content and lower chrome content, the easier the metal to be oxidized.