Hydraulic composition for additive manufacturing device, and method for producing casting mold

Hydraulic composition for additive manufacturing device, and method for producing casting mold

A hydraulic composition for an additive manufacturing device, the hydraulic composition containing at least sand, an inorganic binder, and polyvinyl alcohol, wherein the hydraulic composition for an additive manufacturing device satisfies conditions (1) and (2).(1) The mass ratio of sand/(inorganic...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Ohgi, Yoshifumi, Ishii, Yusuke
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
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A hydraulic composition for an additive manufacturing device, the hydraulic composition containing at least sand, an inorganic binder, and polyvinyl alcohol, wherein the hydraulic composition for an additive manufacturing device satisfies conditions (1) and (2).(1) The mass ratio of sand/(inorganic binder+polyvinyl alcohol) is 4 to 12.(2) The mass ratio of polyvinyl alcohol/inorganic binder is 0.1 to 0.4.The hydraulic composition for an additive manufacturing device also preferably satisfies condition (3).(3) The mass ratio of water/(inorganic binder+polyvinyl alcohol) is 0.30 to 1.30.