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Extrusion 7-2021

07.10.2021

Extrusion 7-2021

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Feddem Shows its Versatility at Fakuma

Feddem Shows its Versatility at Fakuma

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Twin-screw extruder FED 43 MTS

FEDDEM will be presenting a twin-screw extruder of the type FED 43 MTS 32 L/D. With a screw diameter of 43 mm and up to 142 kW drive power, this extruder size is ideal for pilot and production applications of small to medium batch sizes.

The FED 43 MTS model range offers all the typical FEDDEM advantages that are of great benefit in compounding and masterbatch applications:

  • Highly efficient melting and mixing of product components through the use of FME mixing elements. Kneading-block-free screw geometries prove their worth in a wide range of applications.
  • Modular, thermally insulated protective covers of the processing section as protection against contact and for a more favourable energy balance of the process.
  • Process length can be individually adapted by extension unit
  • FSB side feed(s), FSV side vacuum deaeration, FSE side vent(s) each with quick connections (mechanical, electrical and, if applicable, for cooling water connections).
  • FSK strand head, compact and equipped with swivel hinge. On request, also available with patented arched nozzle for special applications.
  • Robust design of all system components for continuous operation.

 Practical Optimisation of LFT Pultrusion Line Technology for the Production of High-performance Materials

"The technology of LFT pultrusion lines for the production of LFT-G long pellets has been around for several years. FEDDEM has taken a fresh look at the details of the line components to improve performance, quality and handling. The result is not only unprecedentedly tight tolerances from the fibre content in the pellets, but also the repeatability of the achievable material properties of the LFT compound on different lines and line sizes with haul-off speeds of up to 60 m/min," says Klaus Hojer, Business Development Manager at FEDDEM GmbH & Co. KG.

This was made possible, among other things, with a patented, modular impregnation tool. The extruder for melt preparation is installed parallel to the roving line, which allows considerable savings in the space required by the plant. All maintenance access points for the individual plant components have been designed to allow direct and fast access to ensure the highest possible plant availability.

Upcycling

In order to keep as much plastic as possible in production in the course of global efforts, compact plants for the processing of production waste are becoming increasingly interesting. In upcycling applications, twin-screw extruders are proving their worth in terms of high mixing performance in a gentle process that delivers high-quality recyclate. Additives can be incorporated into the process that, for example, adjust the viscosity and colour of the recyclate for optimal reuse.

At the same time, the space requirement can usually be reduced to a minimum, which can be a great advantage when setting up in the production environment.

"Screw geometries for FEDDEM extruders in these applications are equipped with FME mixing elements for gentle processing. The processing section can be equipped with a variety of wear protection types, depending on the application" says Hojer.

To overcome investment hurdles, the company also arranges attractive leasing solutions for smaller systems.

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