Rotor blade for shredding plastics in agglomerator

摘要

The rotor blade has two or more cutter arms fitted on top and bottom sides with wear-resistant layers (11) of sintered-on tool steel made by powder metallurgy. The arms have on their front sides wear-resistant edges (15) made from similar steel. The edges (15) are provided with seats for interchangeable blades (4) whose fixing elements (13) have operating devices which are accessible from the backs of the arms. The wear resistant layers are pref between 2 and 5 mm thick.