The cold chamber pressure casting method is provided for a cold chamber pressure casting machine 1 with a vertical casting chamber 2, in which, after the casting chamber 2 has been closed, a liquid casting material is poured in, which by moving a casting piston 3 into a cavity 11 of a pressure casting mold 9 via a sprue 9 connected to the casting chamber 2 12 is pressed. After a cooling time, the tool 12 is opened and the workpiece is removed. The bottom of the casting chamber 3 is opened and the casting piston 2 is moved through the lower opening 7 to beyond the sprue 9 to remove the casting residue located in the casting chamber 2
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