This compression characteristics disallow for the use of volumetric systems as the density of the product continually changes depending on the looseness or compactness for the product in a given instant.
These Fillers are equipped with an auger or endless screw, a high-precision electric motor, and a PLC or a microprocessor to control the cycle and the turns of the screw. The Auger takes a given amount from a holding hopper to the fill area under controlled conditions.