3D forming method based on outline injection molding

The invention discloses a 3D forming method based on outline injection molding. The method includes the following steps that a three-dimensional model is obtained and cut; a material is converted into a shell; layering and slicing are carried out; the outline of slices is calculated; the structure o...

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Bibliographische Detailangaben
Hauptverfasser:	XU ZUNHAO, LI ZHONGLIN, LIN JIAYU
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 PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention discloses a 3D forming method based on outline injection molding. The method includes the following steps that a three-dimensional model is obtained and cut; a material is converted into a shell; layering and slicing are carried out; the outline of slices is calculated; the structure of the outline is subjected to 3D printing; filling and curing are carried out; final molding is achieved. The three-dimensional model of a printed object is obtained through 3D modeling software and converted so that the shell slices can be obtained, then the shell of the object is printed in a 3D mode, a sprue is reserved in the top or the bottom of the shell, one or more of a light curing liquid material, sealing glue, melted liquid and a meltable powder material are injected from the sprue to the interior for filling, curing and fusion are carried out, and the problem that an existing light curing technology is not high in layer-to-layer bond strength is solved. By means of the improvement, layer-to-layer bond strength is improved, and the injection molding speed is increased.