Die casting process and die casting apparatus

Details Die casting process and die casting apparatus Die casting process and die casting apparatus

1996-12-06

1998-02-17

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164113, B22D 1710, B22D 2702

Patent

active

057182809

ABSTRACT:
A die casting process, and a die casting apparatus make it possible to produce high-quality cast products, which little involve gas defects, with simplified constructions, such as an electromagnetic induction coil disposed around a plunger sleeve, and a contractible container disposed movably in a plunger sleeve. With these simplified constructions, a molten metal is localized on a side of a retracted plunger chip disposed in the plunger sleeve. Accordingly, when the retracted plunger chip is advanced, only gases, contained in the plunger sleeve, can be transferred to a cavity of a mold at first, and thereafter the localized molten metal can be injected into the cavity. Thus, it is possible to effectively inhibit the molten metal from involving the gases.

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