Question about Cars & Trucks
Aluminum alloy die casting is the casting process that injecting the high temperature molten aluminum alloy liquid into die cavity with high pressure and high speed for moulding. Features of this casting method are product precise forming and high production efficiency. However, the conventional die casting process is defective. Because the gas in the mold cavity cannot be eliminated effectively, the gas in the mold cavity cannot be eliminated effectively, and the inner parts of the casting can be left to form the defects of the pores, to make the mechanical property of the casting poor. In order to solve this problem, people use the method of vaccum pumping, that is, the gas in the cavity of the die casting can form a certain vacuum or negative pressure state, thereby reducing the inner hole defect of the casting.
Posted on Dec 21, 2016
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Posted on Jan 02, 2017
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