Web forming of carbon fibres is commonly used for the recycling of residues from the lightweight parts construction process. This includes fibre waste during the preforming of parts but also pyrolized fibres which have been extracted from the matrix of compound parts. The production of a nonwoven is thus initially a recycling approach (downcycling) for carbon fibre composite structures, which are considered as special waste after their lifetime. The recycled fibre felts can then be used again for producing high quality carbon fibre composite structures.

  • High tensile strengh
  • Lightweight
  • Electrically conducting / shielding
  • Heat conducting

The processing of carbon fibres is carried out according to the classic principles of needlefelt production. The wiring in the card or the needle configuration in the consolidating process are adapted to minimize fibre damage and to produce a high quality product. Apart from the normal line configurations, DILO offers line concepts like the Compact Line or laboratory lines for a flexible production of high quality felt in small quantities. Special focus is laid on the safety of the production lines and their operators. Modern dedusting systems reduce dust. Overpressure and housings of the electrical cabinets prevent the penetration of the conductive fibres.

 

carbon fibre felt
Compact Line
laboratory line

Carbon fibre felt product

Compact Line

This installation is available for trials at ITA Augsburg, Germany.

Laboratory Line

Technical Research Centre, Eberbach, Germany

Process for the production of carbon fibre nonwovens

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