Multi mill machines are widely used for wet and dry granulation, pulverization etc. These machines find application in pharmaceutical, chemical. bulk drug. cosmetic. dyestuffs and food processing industries. It operates on the principle Of variable force swing beaters having both knife and impact edges rotating within a selected screen to get the required size reduction. Material fed in the hopper. goes down to the processing chamber where it moves to the periphery and passes through the screen radially and tangentially. Finally the processed material gets collected in the container kept below the processing Chamber