Custom Electricity Industry Castings

What are the common casting processes in the production process of castings in the power industry?

In the production process of castings in the power industry, common casting processes include:

Sand Casting: Using sand to make a mold, it is suitable for large-scale production and castings with complex shapes. This process is highly flexible and relatively low in cost, but the surface finish and dimensional accuracy are usually poor.

Investment Casting: Also known as lost wax casting. A wax mold is made into a mold, which is then immersed in ceramics and finally heated to remove the wax, leaving a cavity for casting. This process is suitable for castings with complex shapes and high precision requirements, with high surface finish, but high cost.

Die Casting: Molten metal is injected into a pre-made steel mold and quickly cooled under high pressure to form. This process is suitable for mass production and can produce castings with precise dimensions and smooth surfaces, but it is mainly suitable for low-melting-point metals such as aluminum and zinc.

Gravity Casting: Molten metal is poured into a mold by gravity, which is suitable for castings with large mass and simple shapes. This process is simple to operate, but the accuracy and surface finish may not be as good as other processes.

Centrifugal Casting: Molten metal is poured into a rotating mold and centrifugal force is used to evenly distribute the metal. It is suitable for the production of pipes, ring castings, etc., and can improve the density and strength of the castings.

Continuous Casting: Molten metal is cooled in a continuous mold to form a continuous ingot. This process is commonly used in steel production and is suitable for mass production of uniform metal materials.

Low Pressure Casting: The molten metal is pushed into the mold using low pressure. This process is suitable for large-sized castings and can achieve better internal quality and mechanical properties.

Each casting process has its own unique advantages and disadvantages. Choosing the right process depends on factors such as the size, complexity, material requirements and production cost of the casting.