hammer mill specifiion of single rotor

Hammer mill 1 with a closable under normal use grinding chamber 2 and a grinding chamber 2 arranged rotor 10 having a rotor shaft 11 a plurality of rotor discs 12 12 18 19 which the rotor 10 into a plurality of segments 15 15 15 and a plurality of racket pins 20 20 20 for receiving bats 23 or racket packs 32 wherein the racket pins 20 20 20