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The processing steps of aluminum castings and sand cleaning method

The processing steps of aluminum castings and sand cleaning method

Date: 2014-05-15 08:40 Click: 233 aluminum casting is a casting parts, is to use up the die pressure casting machine die casting machine, feeding the heating is aluminium or aluminium alloy casting liquid into the mouth by die casting machine, die casting, cast aluminum parts or parts of aluminum alloy shape and size of mold limit, such parts are usually known as the aluminum die casting. ....

Aluminum casting is a casting parts, is to use up the die pressure casting machine die casting machine, feeding the heating is aluminium or aluminium alloy casting liquid into the mouth by die casting machine, die casting, cast aluminum parts or parts of aluminum alloy shape and size of mold restriction, such parts are usually known as the aluminum die casting.

Aluminum casting is widely used, can do all kinds of auto parts, household products, industrial machinery parts etc.. It has different names in different places, such as aluminum die-casting parts, aluminum die-casting parts, aluminum die casting, aluminum die casting, aluminum alloy die-casting parts.

The processing steps of aluminum castings

(1) what the annealing treatment? Heating of aluminum alloy castings to usually around 300 , holding time, along with the furnace cooling to room temperature, called annealing. The annealing time, the solution of decomposition, the second phase particles accumulate, can stress removal of castings, let the casting dimension stability, to avoid deformation, reinforced plastic castings.

(2) what is the solution? The casting is heated to nearly in eutectic melting point, then at this temperature for a little longer, and then rapidly cooled, so strengthening component can best be dissolved, save the state of high temperature to room temperature, this process is called the solid solution treatment. Solid solution treatment can enhance the strength and plasticity of the castings, alloy to improve the corrosion resistance. Solid solution treatment usually and solid solution temperature, solution three aspects of treatment time, cooling rate.


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