Compact axially translational powder deposition head

A material deposition head may include a ring configured to rotate about a first body portion and cause axial translation of the first body portion relative to a second body portion, where one or more nozzles are coupled to the first body portion. In some examples, at least one anti-rotation pin may...

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Bibliographische Detailangaben
Hauptverfasser:	Daum, Peter E, Greene, Scott
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 AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING METALLIC POWDER WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A material deposition head may include a ring configured to rotate about a first body portion and cause axial translation of the first body portion relative to a second body portion, where one or more nozzles are coupled to the first body portion. In some examples, at least one anti-rotation pin may substantially prevent rotation of the first body portion while the first body portion axially translates, and a seal may substantially prevent external contaminants from invading an interior portion of the material deposition head. In addition, a pointer tool attached to the head and an external translational measurement tool may permit measurement of an axial position of the one or more nozzles without requiring disassembly of the head or disruption of a substantially inert environment within which additive manufacturing may proceed. A method of axially translating the first body portion of the head also is disclosed.