FFF PRINTING SYSTEM WITH A FILAMENT PATH LENGTH MEASURING DEVICE FOR ALIGNMENT OF FEEDER AND PREFEEDER
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 18, 2024
filing date -
Dec 18, 2024
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Abstract
The invention relates to an FFF printing system (100), the FFF printing system comprising a print head (105), a feeder (91;126) arranged to feed a filament (4) into the print head (105), and a container (801) for storing the filament on one or more filament spools (88). The system also comprises a prefeeder (81) arranged to feed the filament from the spools to the feeder (91;126), and a first flexible tube (D01;102;121) for guiding the filament (4). A filament path length measuring device (1) is arranged to detect a misalignment between the feeder and the prefeeder. Measurement signals are sent to a processing system to correct any misalignment.
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