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The difference between forging and casting

In industry, there are many machining methods for some parts. Different processing methods can reflect different properties and forms. Forging and casting are two of them, but because Mencius is close, many people will confuse the two. What's the difference between forging and casting?

The difference between forging and casting is mainly reflected in two aspects, processing technology and use.

1. Processing technology

(1) Forging

Forging is a kind of processing method that uses forging and pressing machine to exert pressure on metal embryo to produce plastic deformation to obtain forgings with certain mechanical properties, certain shape and size. Forging and stamping are two major components.

Through forging, defects such as loose casting in the smelting process can be eliminated, and the microstructure can be optimized. At the same time, the mechanical properties of forgings are generally better than those of castings of the same material because the complete metal streamline is preserved.

(2) Casting

Casting is a kind of metal hot working technology, which is to cast liquid metal into the casting cavity suitable for the shape of the part, and wait for it to cool and solidify, so as to obtain parts or blanks.

Because the blank is almost formed, the cost and production time are reduced to a certain extent by avoiding mechanical processing or small processing. Casting is one of the basic techniques of modern manufacturing industry.

2. Different uses

(1) forging is generally used for the processing of forgings of certain shapes and sizes;

(2) Casting is a relatively economic blank forming method, generally used in the shape of complex parts.

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