Very compact granulator with only small footprint, easy opening and cleaning of cutting chamber. Screwed cutting chamber with "V" cutting geometry enables processing of bulky parts. Rotor bearings are placed outside the chamber. Granulator is equipped with massive fly-wheel for increasing of kinetic energy by processing of bulky parts. Bevel cut enables production of quality regrind with low dust content. Segment rotor knives can be easily resharpened. Optional sizes of the screens. Granulator is mobile on the rolls. These granulators can be equipped with various hoppers and stands and can be connected to sucking device; regrind can be collected into container.