Volumetric feeder for additives designed to be mounted on a neck riser, between the processing machine feed hopper and the extruder throat.
Used to adjust the blender speed to that of the extruder. Utilizes an input signal proportional to the extruder screw speed.
Feeder operation. On the basis of the preset speed, the metering screw feeds the additive into the flow of the main ingredient which flows from the load hopper of the process machine, thus dispersing the additive in the main flow.