Sand mold structure

The utility model relates to a sand mold structure, in particular to a 3D printing sand mold structure suitable for non-ferrous alloy casting. The sand mold structure comprises a sand mold body, a pouring cavity, a plurality of independent cavities, sand outlet holes, exhaust holes and plugs, the po...

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Bibliographische Detailangaben
Hauptverfasser:	MA FAREN, ZANG YANLAI, DING AIHONG, FENG JIN
Format:	Patent
Sprache:	chi ; 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 FOUNDRY MOULDING PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model relates to a sand mold structure, in particular to a 3D printing sand mold structure suitable for non-ferrous alloy casting. The sand mold structure comprises a sand mold body, a pouring cavity, a plurality of independent cavities, sand outlet holes, exhaust holes and plugs, the pouring cavity and the independent cavities are arranged in the sand mold body, the plurality of independent cavities are arranged around the pouring cavity, the sand outlet holes are formed in the sand mold body, and the exhaust holes are formed in the sand mold body. The sand outlet hole is formed in the independent cavity, the plug is connected with the sand outlet hole, and the exhaust hole is formed in the independent cavity. According to the utility model, the problems of suffocation, air holes, segregation and difficulty in casting sand production in the prior art are solved, meanwhile, the rejection rate of castings is reduced, the research and development progress of new products is accelerated, the research