PARTICLE SIZE REDUCTION TECHNIQUES SlideShare
Mar 25, 2016· HAMMER MILL Principle: The hammer mill operates on the principle of impact between rapidly moving hammer mounted on a rotor and the powder material. 11Fig: Hammer mill 12. Working: The hammers are allowed to be in continuous motion(8000 15000 rpm) the feed material is placed into the hopper, whiles hammers are in continuous motion.