Flexibly actuated pneumatic extrusion with in-situ monitoring for direct ink writing of heterogeneous and pressure-vulnerable materials
This study presents a novel piston-driven pneumatic extrusion system for direct ink writing (DIW), featuring flexible actuation and real-time monitoring of extrusion pressure. The design integrates the benefits of both pressure and feedrate control, achieving consistent linewidth while safeguarding...
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| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2025
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| In: |
Scientific reports
Year: 2025, Jahrgang: 15, Pages: 1-16 |
| ISSN: | 2045-2322 |
| DOI: | 10.1038/s41598-025-15164-9 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1038/s41598-025-15164-9 Verlag, kostenfrei, Volltext: https://www.nature.com/articles/s41598-025-15164-9 
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| Verfasserangaben: | Chaiwuth Sithiwichankit, Setthibhak Suthithanakom, Kantawatchr Chaiprabha, Kai Melde & Ratchatin Chancharoen |
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| 245 | 1 | 0 | |a Flexibly actuated pneumatic extrusion with in-situ monitoring for direct ink writing of heterogeneous and pressure-vulnerable materials |c Chaiwuth Sithiwichankit, Setthibhak Suthithanakom, Kantawatchr Chaiprabha, Kai Melde & Ratchatin Chancharoen |
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| 520 | |a This study presents a novel piston-driven pneumatic extrusion system for direct ink writing (DIW), featuring flexible actuation and real-time monitoring of extrusion pressure. The design integrates the benefits of both pressure and feedrate control, achieving consistent linewidth while safeguarding pressure-sensitive materials such as cell-laden hydrogels. The system comprises a lightweight pneumatic syringe on the printhead and a stationary actuation unit, allowing efficient decoupling of motion and extrusion. Experiments demonstrate stable gelatin extrusion with a mean linewidth of 4.32 mm and a minimal increase ratio of 0.012 over printing distance. These findings show promise for advancing DIW with emerging soft materials, particularly in bioprinting and sustainable manufacturing. | ||
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