With cutting fans, we can shred endless material such as edge strips which arise, for instance, during the manufacture of paper, cardboard and fibre-boards. They are installed upstream of the filter. The impeller blades are fitted with replaceable cutters or saw-strips, with which the endless strips are shredded.

The fan’s design is dependent on the width of the edge strips, the roll-off speed and the type and thickness of the material. The tensile strength and coating of the waste are also determined and used in the calculations.