Multi Mill: - Multi Mill relies on impact in air. Material is dropped axially from feed hopper in to the connecting chamber where it comes in contact with blades rotating at high speed. Differentially edged ( Flat & Knife) Blades in desired direction of rotation achieve shear . Material entering the chamber is impacted the periphery & passes through the circular screen tangentially and radically achieving size reduction.
Vibro shifter: Vibro Sifter is working on principle of gyratory vibrations caused due to special the upper portion of the sifter decks which is fitted to the lower portion through springs. The vibration caused causes the material to agitate and is sieved through the sieve fitted between the decks & thus the material is sieved.