TECHNIQUES FOR DEPOWDERING ADDITIVELY FABRICATED PARTS VIA GAS FLOW AND RELATED SYSTEMS AND METHODS

Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from parts by directing gas onto, or near to, the powder. While fragile green parts, such as green parts produced by binder jetting, may be fragile with respect to...

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Bibliographische Detailangaben
Hauptverfasser:	Go, Jamison, Goldblatt, Michael, Nick, Robert J, McCambridge, Matthew, Santorella, Michael, Gabay, Joseph, LeGendre, Alexander, Myerberg, Jonah Samuel
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING CASTING CLEANING CLEANING IN GENERAL MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY PREVENTION OF FOULING IN GENERAL TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Techniques for depowdering in additive fabrication are provided. According to some aspects, techniques are provided that separate powder from parts by directing gas onto, or near to, the powder. While fragile green parts, such as green parts produced by binder jetting, may be fragile with respect to scraping or impacts, such parts may nonetheless be resistance to damage from directed gas, even if directed at a high pressure. Techniques for depowdering through directed application of gas may be automated, thereby mitigating challenges associated with manual depowdering operations.