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Forging is the pressure exerted by metal through the shape required for plastic deformation or appropriate compression force. This force is usually achieved by using a hammer or pressure. The forging process establishes a fine particle structure and improves the physical properties of the metal. In the actual use of parts, correct design can make particles flow to the direction of main pressure.
More +There are two kinds of deformation processing boundaries of heavy forgings in metallurgy, which are the recrystallization temperature of metal. Plastic deformation below recrystallization temperature is cold working; Plastic processing above recrystallization temperature is hot processing. The plastic deformation of forging metal is cold working. When the deformation processing is higher than the recrystallization temperature, the dynamic recrystallization will also be carried out at the same time of deformation. During the cooling process after deformation, the towel will continue to recrystallize. This deformation is called hot working.
During forging, the metal exerts pressure through plastic deformation to shape the required shape or properly compress the object. This force is usually achieved by using a hammer or pressure. The forging process has established a fine particle structure and improved the physical properties of the metal. In the actual use of parts, correct design can make particles flow to the direction of main pressure.
The simulation rule of forging temperature change during solution treatment, in which the temperature in the center area of the forging is the lowest and the surface temperature of the forging is the lowest. During the heat treatment, the thick second phase particles of 7050 high-strength aluminum alloy forgings were dissolved, which improved the strength, plasticity and toughness.
Forging die preheating and cooling control: the forging die can be preheated by gas heating, hot billet baking or electric furnace heating, and the preheating temperature is 150~350 ℃; Methods and media for cooling and lubricating forging dies
The qualified, unqualified, to be inspected, to be determined or abnormal raw materials shall be regularly managed by batch storage, rapid transfer and other methods, and mixing is strictly prohibited; When using raw materials such as material brand, specification, cold and hot working status, executive standards, etc., the approval process shall be handled in strict accordance with the corresponding approval procedures.
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