This chaff cutter is professional,it can cut stalks,wheat ... such as green straw and grass. High Efficiency Chaff Cutter Chaff cutter used to cut the green (dry) corn straw, ... : mainly by feeding machine, roller blades, shims, knife bearing seat.2. Cutter thrower: it is mainly consist of cutting knifes ... , cutter head, locking dcrews etc.3. Transimission mechanism: ...