... mainly consists of frame, rotor, support iron and grate bars.1. The frame is divided into two parts: upper part and lower part, which ... manganese steels inside it, which is replaceable.2. Rotor consists of the main shaft with several regularly grouped hammers, turn plate, pin ... out and exit from the gap of the Grate bars, then what about the unqualified? They will be left in the crushing cavity to be ...