FIELD: printing equipment.
SUBSTANCE: invention relates to 3D printing of sand molds. Device comprises several working chambers and includes main body frame (100), working chamber supply system (200), working chambers (300), working chamber (400) movement mechanisms, sand distributors (500), printing head (600), cleaning device (700), liquid supply system (800), sand mixing device (900) and electric system.
EFFECT: device allows two or more working chambers to work simultaneously during operation of sand distribution and printing, which can double efficiency of printing compared to device with one working chamber with the same equipment, thus effectively reducing costs for production of sand molds.
10 cl, 24 dwg
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