FIELD: metallurgy.
SUBSTANCE: liquid metal M is fed into the adjacent space of the gate 11 of the working cavity 9C by increasing the pressure in the molten metal holding furnace 5 by means of a gas. The working cavity 9C is filled with liquid metal by lowering the pressure in the working cavity 9C and further increasing the pressure in the furnace 5. After a predetermined filling time, the decompression of the working cavity 9C, and the compression of the furnace 5 is stopped, after the solidification of the liquid metal is completed.
EFFECT: as a result of reducing the pressure reduction time, the casting cycle time is shortened.
7 cl, 11 dwg
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