Student name Student ID ·Hammer mill and size
Transcribed image text Student name Student ID ·Hammer mill and size reduction of tool particles 80 g of coffee beans were ground into flour in a hammer mill containing a high speed rotor which is turning nside a cylindrical casing The rotor on which the swinging hammerheads were attached rotates at a speed ot 1800 rpm The coffee beans were crushed and pulverized between the hammers