Advantages and disadvantages of casting process
Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process.
As a molding process, the basic advantage of casting is that the liquid metal has a small shear stress and be easy to shape.
Advantages of casting process
Wide range of low-prices raw materials, such as scrap, scraped components, chips, etc.
The casting method has obvious advantages of low production costs, compared with other forming processes.
Casting is a producing techquie which poured liquid metal to the required mold. So casting processes can produce very complex shapes, especially the various custom metal components with somplex internal cavities.
Casting processes are not limited in size, weight and production volume, and casn produce a variety of metals or alloys. So casting process is more flexible.
Widely used. 40%-70% in agricultural machinery and 70%-80% in lathe are casting components.
Disadvantage of casting method
If using same material, the mechanical properties of casting components are not as good as the forging parts.
The quality of metal castings is not stable because of too many production process. And the influencing factors are complex. So the casting process is difficult to control.
The casting products easily have various defects and deficiencies, such as pores, shrinkages, pinholes, inclusions, blisters and cracks inside the casting components.
The casting dimensional accuracy is low, compared with machining components.
The working conditions of foundry production are poor. In China, the young people will refuse to work in the poor casting factories.
Baoding Guokun can produce and export various casting components by using sand casting, resin sand casting, green sand casting, shell molding casting, investment casting, lost wax casting, water glass casting, silica sol casting, die casting, gravity casting, centrifugal casting and lost foam casting process.
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