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To prevent the appearance of sand holes in die-cast aluminum parts

  • Author:kerry
  • Release on:2021-08-11

Die cast aluminum is actually a kind of die cast parts, it is made by die casting machine.  In the process of making aluminum die castings, we first heat the liquid metal aluminum or metal aluminum alloy. After heating, we can pour it into the inlet of the machine, and the die casters will produce the aluminum die castings according to the shape of the mold.  After the production of aluminum die castings is completed, the surface of long sand holes often appear. Why is this? 

Because the metal aluminium and aluminium alloy has good liquidity and plasticity, and casting processing is in pressure die casting machine casting, aluminum die casting can make all kinds of complicated shape, can also make a higher precision and smooth finish, thus greatly reduced the mechanical processing capacity of the casting and metal of aluminum or aluminum alloy casting allowance,  Not only saves electricity, metal materials, but also greatly saves labor costs. 

How can we prevent the appearance of trashhole in die-cast aluminum parts  

Sometimes appear in the process of machining defects such as sand holes, to avoid in the production process of aluminum die casting porosity trachoma, cast out the following conclusion: the quality of the refined degassing aluminum alloy smelting, choose good refined aluminum degassing agents to reduce the air content in the water, keep clear liquid surface scum, oxides such as bulb, prevent again into the gas into the die casting.


Thus aluminum die casting is widely used in automobile manufacturing, internal combustion engine production, motorcycle manufacturing, motor manufacturing, oil pump manufacturing, transmission machinery manufacturing, precision instruments, landscaping, power construction, building decoration and other industries.  And aluminum and aluminum alloy have excellent thermal conductivity, small specific gravity and high machinability.