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The effect of hot forging process


Cold forging is generally processed at room temperature, while hot forging is above the recrystallization temperature of the billet metal. Forging is sometimes in a heated state, but when the temperature does not exceed the recrystallization temperature, it is called temperature forging. However, this division is not completely uniform in production.


1. Reduce the deformation resistance of the metal, thus reducing the forging pressure required by the bad material deformation, so that the tonnage of the forging equipment is greatly reduced;


2. Change the forging structure of aluminum ingot. After recrystallization in the hot forging process, the coarse forging structure becomes the new structure of fine grains, and reduce the defects of the forging structure, improve the mechanical properties of aluminum;


3, improve the plasticity of aluminum, which is particularly important for some low temperature brittle aluminum alloy forging press.

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