METHOD FOR FORMING PRECISE POROUS METAL STRUCTURE BY SELECTIVE LASER MELTING

A method for forming precise porous metal structure by selective laser melting, including 3D design, data processing, parameter setting and selective sintering, including the following steps: A. designing 3D model of precise and porous structure; B. adding support structure and slicing; C. setting p...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG, Zhixiao, WU, Liping, LIU, Ruicheng, ZOU, Shanfang, JIANG, Anqi
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:	A method for forming precise porous metal structure by selective laser melting, including 3D design, data processing, parameter setting and selective sintering, including the following steps: A. designing 3D model of precise and porous structure; B. adding support structure and slicing; C. setting parameters of laser scanning and beam offset; and D. arranging a soft recoater in the forming system. After coating the metal powder on the forming plate, the fiber laser emits a laser to melt the metal powder to form a single-layer cross section of the porous structure; E. lowering the forming plate by one layer, and repeating steps D-E, so that the metal powder is melted and accumulated layer by layer until the formed components of porous structure are obtained.