PRESSURE CASTING METHOD

PRESSURE CASTING METHOD

PROBLEM TO BE SOLVED: To provide a pressure casting method for efficiently producing an automobile disc wheel by a pressure casting method using a vertical dicast machine and a gas discharge device for a die. SOLUTION: In the pressure casting method for filling a molten metal in a die cavity by an i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: OKAMURA MINORU
Format: Patent
Sprache:eng
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a pressure casting method for efficiently producing an automobile disc wheel by a pressure casting method using a vertical dicast machine and a gas discharge device for a die. SOLUTION: In the pressure casting method for filling a molten metal in a die cavity by an injection device from a gate part disposed below the die, and inserting a pressure pin disposed on the opposite position to the gate part into the molten metal to pressurize the molten metal in the die, the pressure pin is made to proceed again after the molten metal is solidified and retreating a plunger tip of the injection device to protrude the solidified substance of the molten metal remaining in the gate part.