The gravity casting machine is also called a tilt casting machine. Gravity casting machine generally refers to the machine that realizes the opening, closing and taking of metal gravity casting. Gravity casting refers to a process in which molten metal is poured into a metal cavity under the influence of the earth’s gravity to obtain a casting. Gravity casting in a broad sense includes sand casting, metal casting, investment casting, lost foam casting, mud casting, etc. narrow sense gravity casting refers specifically to metal casting.