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What is the forging and its characteristics

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What is the forging and its characteristics

Release date:2019-04-03 Author: Click:

Forgings refer to workpieces or blanks obtained by forging and deforming metal blanks. The mechanical properties of metal blank can be changed by applying pressure to deform it. Forgings can be divided into cold forging, warm forging and hot forging according to the temperature at which the blank is processed. Cold forging is generally processed at room temperature, while hot forging is processed at a higher recrystallization temperature than the metal blank. The porosity of metal can be eliminated by forging. The holes enable the mechanical properties of forgings to be improved.

Forgings: forming process in which an external force is applied to a metal blank to cause it to undergo plastic deformation, change in size, shape, and performance, for the manufacture of mechanical parts, workpieces, tools, or blanks. Wuxi forgings include: aircraft forgings, diesel engine Marine forgings, weapons forgings, petrochemical mine forgings, nuclear power forgings, thermal power forgings, hydropower forgings. What problem still can consult shanxi shuanghuan heavy machinery limited company.

Forgings applied to high-density iron-base forgings such as mechanical components are fabricated in a process that includes the following steps in sequence :(a) preparation of iron-base powder mixtures containing iron-base powders and graphite powders; (b) the iron-base powder mixture is preformed and pressed to form a preformed blank; (c) of the preform billet in the sintering under oxidizing atmosphere, in which nitrogen partial pressure of 30 kpa or below, the temperature is 950 ℃ and 1300 ℃ or lower, to form a molding material; And (d) forging the forming material by closed die forging or closed die forging to produce high-density forgings. The method for a high-density iron-base forging comprises the following steps in sequence: The iron powder mixture was preformed to form preform blank. The preform billet in the sintering under oxidizing atmosphere, the nitrogen partial pressure of 30 kpa or or small, the temperature is 950 ℃ and 1300 ℃ or low, to form a molding material; And forging the forming material by closed die forging or closed die forging to produce high-density forgings.

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