METHOD OF CASTING

摘要

Provided is a casting method comprising: a sequential division injection step which a lower driven stopper capable of moving up and down opens a hole formed in a main chamber and injects molten metal received inside a casting device into a mold through a nozzle, and the lower driven stopper closes the hole formed in the main chamber and stops injecting the molten metal received inside the casting device, such that injecting the molten metal into the mold sequentially and separately; and a solidification step which gradually solidifies the molten metal injected separately in the mold wherein the lower driven stopper, the top part of the lower driven stopper, is formed to open and close the hole formed in the main chamber such that the lower driven stopper minimizes a change in flow of the molten metal.