Rolling: A pressure processing method in which the metal billet is compressed through the gap of a pair of rotating rolls to reduce the cross-section of the material and increase the length.
Forging: A pressure processing method that uses the reciprocating impact force of a forging hammer or the pressure of a press to change the blank into the shape and size we need. Generally divided into free forging and die forging, it is often used to produce some large materials, billets and other materials with relatively large cross-sectional dimensions.
Drawing: It is a processing method in which the rolled metal billets (forms, tubes, products, etc.) are drawn through the die hole to reduce the section and increase the length. This method is mostly used for cold working.
Extrusion: It is a processing method in which the metal is placed in a closed extrusion cylinder, and pressure is applied at one end to extrude the metal from the specified die hole to obtain a finished product with the same shape and size. This type of production method is mostly used for the production of non-ferrous metals. metallic material.
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