Metal casting is a technological process in which metals are melted into liquids that meet certain requirements and poured into molds, and after cooling and solidification, cleaning and finishing treatments, castings with predetermined shapes, sizes and properties are obtained. Due to the near-forming of casting blanks, the purpose of avoiding mechanical processing or a small amount of processing is achieved, reducing costs and to a certain extent reducing time. Casting is one of the basic processes in modern mechanical manufacturing industry.
Special casting with metals as the main mold material (such as metal mold casting, pressure casting,
continuous casting, low-pressure casting, centrifugal casting, etc.)
Advantages
The cooling speed of the metal mold is relatively fast, the microstructure of the casting is relatively dense,
heat treatment strengthening can be carried out, and the mechanical properties are about 15% higher
than that of sand mold casting.
In metal mold casting, the quality of the castings is stable, the surface roughness is better than that of sand mold casting, and the reject rate is low.
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