black anodized aluminum extrusion.How to better choose the temperature of aluminum alloy die casting process

　　How to better choose the temperature of aluminum alloy die casting process

　　Aluminum alloy die casting is a metal injection molding process, the need to melt aluminum alloy ingot into a liquid with high temperature, and then inject these liquids into the cavity of the die casting mold cooling molding, in the process of aluminum alloy die casting, the choice of temperature for the quality and accuracy of die-casting products have no small impact, then how do we better choose the temperature in the process of aluminum alloy die casting?

　　Because aluminum alloy contains trace iron, and the melting point is high, easy to corrode the pressure chamber, so the aluminum alloy die casting process needs to use cold chamber die casting machine, cold chamber die casting, aluminum alloy metal liquid temperature drop faster, in order to die casting a relatively thin, less defective die casting parts, you need to ensure the flow of metal liquid, aluminum alloy metal liquid need to be in a superheated state, That is, it is necessary to exceed the melting point, but it can not exceed too much, because the temperature is too high, which will lead to the burning of chemical elements in the metal liquid, will lead to the formation of shrinkage holes and hot cracking tendencies of the die casting, and will affect the production efficiency.

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