ADDITIVE MODELING DEVICE AND METHOD FOR CONTROLLING ADDITIVE MODELING DEVICE

A powder supply device that supplies metal powder 2 to a modeling surface 4, laser systems 30 and 40 that melt the metal powder 2 at a predetermined position in the metal powder 2 supplied to the modeling surface 4, first thermometers 36 and 46 and a second thermometer 50 that measure a temperature...

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Bibliographische Detailangaben
Hauptverfasser:	SAITOU, Noboru, YANG, Yingjuan, ONUMA, Atsuhiko, KAWANAKA, Hirotsugu
Format:	Patent
Sprache:	eng ; fre ; ger
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 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 powder supply device that supplies metal powder 2 to a modeling surface 4, laser systems 30 and 40 that melt the metal powder 2 at a predetermined position in the metal powder 2 supplied to the modeling surface 4, first thermometers 36 and 46 and a second thermometer 50 that measure a temperature change in each region of the modeling surface 4, and a control device 70 that controls the laser systems 30 and 40 are provided. The control device 70 determines a laser irradiation condition for a next layer, based on the temperature change after beam irradiation of the modeling surface 4. Thus, there are provided an additive modeling apparatus and a method of controlling the additive modeling apparatus capable of making the modeling quality of the entire modeled object uniform regardless of the shape of the modeled object.