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The process flow and applied range of the aluminum die casting
- Oct 23, 2017 -

The four basic processes of aluminum die casting industry are annealing, normalizing, quenching and tempering, which are called " four - fire" in die casting. In the die casting process, the relationship between quenching and tempering is very close, and both of them are indispensable.

 

It is understood that the annealing is used to h诶t the workpiece. When heated to the appropriate temperature, according to the different materials, the die casting is slowly cooled, and the internal organization of the metal is close to balance. Normalizing is used to heat the workpiece to the appropriate temperature after cooling in the air, It is mainly used to improve the cutting function of the material, but also can be used for some parts without high as the end of die casting.

 

Quenching is used to fast cool the workpiece in some quenching medium such as the water or other inorganic salts solution after heating the workpiece and preserve heat. Through this process, the steel will harden, and also make the steel brittle. In order to reduce the brittleness of the steel, the quenched steel can be placed at a temperature below 650 degrees and above normal temperature for a long time heat preservation , and then cooled. his is called tempering.

 

The application of aluminum material and aluminum alloy in aluminum die casting have good fluidity and plasticity, so it can make various kinds of die castings with complex shapes, arge difference. The casting made of aluminum alloy and aluminum has high precision and surface finish, which greatly reduces the mechanical processing amount of the casting, greatly reduces the machining amount and labor intensity, and saves the electric power and metal materials at the same time. Because of its high internal and external quality, aluminum die casting is widely used in automobile manufacturing, internal combustion engine production, motorcycle manufacturing, motor manufacturing, transmission machinery manufacturing, precision instruments, landscaping, electricity construction, and other industries, which is becoming the new favorite of die casting industry.

 

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