DIRECTED ACOUSTIC ENERGY FOR MELT POOL EXCITATION DURING 3D PRINTING

Disclosed herein are systems and methods for three-dimensional (3-D) printing a build piece in which a laser beam source generates a laser beam for melting a material at a build plate. Additionally, the systems and methods herein include a directed acoustic energy exciter (DAEE) configured to genera...

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Bibliographische Detailangaben
Hauptverfasser:	Torbatisarraf, Seyedalireza, KENWORTHY, Michael Thomas
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 CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS POWDER METALLURGY SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Disclosed herein are systems and methods for three-dimensional (3-D) printing a build piece in which a laser beam source generates a laser beam for melting a material at a build plate. Additionally, the systems and methods herein include a directed acoustic energy exciter (DAEE) configured to generate an acoustic energy. A controller can be configured to direct the laser beam at a first location to melt the material into a melt pool to form a portion of a build piece and configured to direct the DAEE to transmit the acoustic energy to the first location.