Aluminum alloy die casting mold work in three stages.aluminium high pressure die casting

　　Aluminum alloy die casting mold is a necessary tool for die casting process, die casting process is a forming metal parts production process, involving mechanics, fluid dynamics, thermodynamics and other aspects of knowledge, it has a lot of influencing factors, such as die casting structure, injection speed, pressure, die casting mold temperature, liquid metal temperature, etc., in short, die casting process is a very complex processing process.

　　The work of aluminum alloy die casting mold is to carry the filling of metal liquid, which can be divided into three stages. The first stage is that the metal liquid enters the cavity of the aluminum alloy die casting mold through the inner gate, and then diffuses around the mold wall and returns to the gate, which forms the shell of the die casting part. In the second stage, liquid metal is deposited on the surface of the shell for filling, expanding and merging around the core formed in the first stage, which is a stage of continuous flow and filling of liquid metal; In the third stage, the metal liquid is completely filled with the aluminum alloy die casting mold, the cavity, the pouring system and the press chamber are a closed fluid mechanical system, in which the die casting is equal, and the injection force continues to act on the liquid metal liquid through the center of the die casting until the metal liquid solidifies.

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