GRANULAR MATERIAL, MOLD FORMED BY THREE-DIMENSIONAL ADDITIVE MANUFACTURING, PROCESS FOR PRODUCING MOLD BY THREE-DIMENSIONAL ADDITIVE MANUFACTURING, AND DEVICE FOR PRODUCING MOLD BY THREE-DIMENSIONAL ADDITIVE MANUFACTURING

Provided is a granular material which generates no harmful gas at the time of pouring, reduces a gas defect as one of casting defects, and is readily reusable after pouring, in the manufacture of a three-dimensional laminated and shaped mold. This granular material is a granular material for use in...

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Bibliographic Details
Main Authors NAGAI, Yasuhiro, OKANE, Toshimitsu, HATORI, Yuuki, OOBA, Yoshikazu
Format Patent
LanguageEnglish
French
German
Published 11.07.2018
Subjects
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
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
TRANSPORTING
WORKING CEMENT, CLAY, OR STONE
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Summary:Provided is a granular material which generates no harmful gas at the time of pouring, reduces a gas defect as one of casting defects, and is readily reusable after pouring, in the manufacture of a three-dimensional laminated and shaped mold. This granular material is a granular material for use in a three-dimensional laminated and shaped mold manufacturing apparatus, and includes magnesium sulfate. The amount of magnesium sulfate included in the granular material is 1 to 10 pts.mass with respect to 100 pts.mass of the granular material. The amount of water included in the granular material is 0.1 mass% or less except for crystallization water of magnesium sulfate.
Bibliography:Application Number: EP20160828908