Robust Continuous Operation

FEDDEM Additional Modules

Zusatzmodule Compoundierung

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Side Feeders and Side Venting/Degassing

FEDDEM offers a range of auxiliary devices for ensuring smooth continuous performance of feed and degassing openings in the processing section. These devices are equipped with twin-screw discharges and frequency-controlled drives. Various speeds and screw pitches as well as a selection of metallurgies for abrasion and/or corrosion resistance allow to adapt these devices to individual process requirements.

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FSB side feeders ensure uniform delivery of a metered stream of additives, fillers or reinforcing materials into the process. The FSV side vacuum degassing unit prevents extraction of product through the vent port in vacuum-sensitive degassing processes. It keeps the degassing opening in the processing section reliably and permanently open. The FSE side venting unit is a process relevant component that is only available from FEDDEM. It supports atmospheric venting when feeding fillers of low bulk density and reduces the exit of dust through the vent port. The unit can easily be converted for use as a side feeder. In some applications the use of FSV and FSE units allows for increasing the throughput rate by more than 30 %.

FEDDEM was the first machine manufacturer to design convertible versions of the FSB, FSV and FSE units and to supply them with optional conversion kits as early as 2012.

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Side Feeder Type FSB-V with Vacuum Support

To optimise the side streams in the compounding process, FEDDEM has developed a modified FSB side feeder, which sucks air out of the metered side stream before it enters the extruder. When adding materials with lighter bulk density, this enables a considerable increase in the throughput rate of the entire process. Compared to conventional side-feeding of low-bulk-density additives, the throughput of the compounding line could be increased several times over. In some applications, economically viable production rates only became feasible with the use of an FSB-V side feeder.

Flyer

FSB-V Side Feeder

Higher Throughput, More Productivity

Processing Length

Flexibility and Cost-Efficiency

FEDDEM Extension

The FEDDEM Extension unit (e.g. 10 L/D long) allows for easy modification of an extruder´s length to match the requirements of an individual process. Changing the processing lengths just takes a few hours. This offers the option of adapting the processing length of an extruder from a compounding application to large-volume venting / degeassing or to reactive processing. Subsequent retrofitting of FEDDEM extruders to a longer processing length is an option and entails substaintially lower investment costs compared to sourcing an additional extruder.

The extension is an already pre-mounted stand-alone module for quick-fix to the last barrel segment of the extruder. The electrical connection is established via quick disconnect couplings and when prepared at order placement the required control hard- and software extensions are already built into the extruder´s control cabinet.

Ansicht FEDDEM-Verlängerungseinheit

Disclaimer: All specifications and information given on this website are based on our current knowledge and experience. A legally binding promise of certain characteristics or suitability for a concrete individual case cannot be derived from this information. The information supplied here is not intended to release processors and users from the responsibility of carrying out their own tests and inspections in each concrete individual case.

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