Cutting, homogenizing, heating, drying, compacting, buffering and dosing in a single step – this is the performance range of the cutter/compactor as a preparatory stage for the extruder. Previously the material inside the cutter/compactor turned in the same direction as the extruder. An Austrian recycling specialist has now put this principle "into reverse" and changed the rotating direction of the plastic material inside the cutter/compactor so it is opposite to the extruder's flow direction. This means that the extruder is filled virtually pressure-free, never overfilled and thus better to control as a result.
The full article was published in "Kunststoffe international" 12/2013