Title:
PRESSURE CASTING METHOD
Document Type and Number:
Japanese Patent JP2002292454
Kind Code:
A
Abstract:
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.
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.
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Inventors:
OKAMURA MINORU
Application Number:
JP2001100921A
Publication Date:
October 08, 2002
Filing Date:
March 30, 2001
Export Citation:
Assignee:
MOLD CO LTD U
International Classes:
B22D17/22; (IPC1-7): B22D17/22
Attorney, Agent or Firm:
Itami Masaru