Fresco Systems offer both volumetric (product flow rate is by volume and set over a given time) and gravimetric (product flow rate is by weight and controlled using loadcells) types of metering screw feeders, with throughputs ranging from 1.76 litres/hr up to 13,650 litres/hr.
The crucial factor in achieving accuracy is consistent product bulk density by proper design and selection of an agitator in the conditioning zone above the screw auger. The agitator de-aerates and densifies the product to a uniform density and breaks any bridges, preventing hold up in the hopper.
This combined with a vast selection of screw sizes and types allows a wide cross-section of materials to be fed very accurately. Volumetric accuracy of ±1% to ±2% and gravimetric accuracy’s of ±0.25% to ±1% depending on the material can easily be achieved.
Weigh platforms fitted under the standard feeder linked to a batch controller provide accurate loss in weight feeding. Two-way RS 232 serial ports will send and receive signals from other plant control systems.
An easily removable front section provides access for cleaning and screw changes.
Standard Features of Metering Screw Feeders:
Integral gear motors direct drive.
Solid stub shafts
Minimal external ledges
Lip type shaft seals
Fully welded construction
Removable end plate for ease of servicing flights
Operation and maintenance manuals
Key-type safety switches
Metering Screw Feeders Materials of Construction:
304 Stainless steel
316 Stainless steel
Other Options Available for Metering Screw Feeders:
Abrasion resistance liners
Sanitary or industrial finish
Air purge seals
Heating or cooling jackets
Solid screw designs
Fresco Systems Australasia | Material Handling Equipment Specialists
Fresco Systems is dedicated to the design, manufacture and installation of Bulk Materials Handling and Processing Equipment,including Bulk Bag Unloaders, Bulk Bag Fillers, Flexible Conveyors, Mobile ...