METHOD AND DEVICE FOR PRODUCING A FIBRE-REINFORCED plasticizer

The invention relates to the construction of an endless fibre-reinforced plasticizer for the additive manufacture of endless fibre-reinforced plastic components. A plastic feedstock (31) is introducedinto a single-screw extruder (1) via a first filling opening (10) and melted. A mass flow dmF/dt of...

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Bibliographische Detailangaben
Hauptverfasser: SCHADHAUSER MAXIMILIAN, SCHIERL STEFAN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to the construction of an endless fibre-reinforced plasticizer for the additive manufacture of endless fibre-reinforced plastic components. A plastic feedstock (31) is introducedinto a single-screw extruder (1) via a first filling opening (10) and melted. A mass flow dmF/dt of dry, continuous fibre strands (23) is introduced into the single-screw extruder (1) via a second filling opening (11), impregnated with the plastic melt and discharged as a fibre-reinforced polymer melt (32). The screw (8) of the single-screw extruder (1) on the side opposite the delivery from thesecond filling opening (11) is designed in such a manner that the fibre strands (23) are discharged substantially undamaged. The mass flow dmF/dt is maintained in a first mass flow target ratio to a mass flow dmS/dt of the plastic melt (29) discharged from the single-screw extruder (1) over pre-definable time periods, or the mass flow dmF/dt is maintained in a second mass flow target ratio to a mass flow dmP/dt of fibre-re