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Deformation temperature and precision of precision die forging
To prevent serious oxidation and decarburization on the surface of the blank during heating, it can be heated in a small, non-oxidizing open-flame furnace or a furnace that can effectively control the atmosphere. To prevent secondary oxidation during the cooling process of hot forgings, cooling can be carried out in a protected device. Forgings can also be placed in a grid sand box in order. When slow cooling is required, the company will cool the forgings in a hot sand box or asbestos powder.
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China Steel Association: November 2202 Main Steel Industry Operation Monthly Report
From January to November 2022, the operation of the main steel industry was generally downward. The performance of the construction industry was sluggish, in which the main indicators of real estate continued to decline, and the decline deepened; investment in infrastructure construction maintained rapid growth.
2022
What are the characteristics of forgings?
Die forging has the significant advantage of saving metal and reducing cutting man-hours, but it will increase some of the costs due to the strengthening of the relevant links of die forging. Therefore, whether the specific product selection die forging process production should be based on the production of finished parts of the comprehensive economic indicators and parts of the structure and performance of the special requirements for comprehensive consideration. It has the following characteristics:
Particle structure of die forgings
Relatively speaking, in the case of forging ratio and processing technology are normal, after forging forgings, generally than the profile chemical composition is uniform, fine organization, grain size is also high, so under the same processing conditions, strength and toughness will be better. For example, the general profile will be more serious than hammered forgings, greatly affecting the performance, radial and tangential performance indicators. There are requirements for radial or tangential performance of the workpiece is not good to meet the requirements.
Forging manufacturers talk about the application of forgings
Forging manufacturers talk about forgings: a forming method for applying external force to metal blanks to cause plastic deformation, change size, shape and change performance, and are used to manufacture mechanical parts, workpieces, tools or blanks. The types of forgings are: aircraft forgings, diesel engine marine forgings, weapons forgings, petrochemical mine forgings, nuclear power forgings, thermal power forgings, hydropower forgings.
Safety matters that should be paid attention to during the forging process
The heating furnace and the hot workpiece radiate a large amount of heat energy, and the slag and smoke produced by the combustion of various fuels used by the flame furnace, so ventilation and purification measures should be taken to avoid injury accidents.
What are the technical concepts of precision forgings?
Forging forming technology refers to the part forming technology that can be used almost without any treatment after the part is formed, also known as near net forming technology.
Basis of Heat Treatment Process Design for Precision Forging Parts
The basis of the heat treatment process design of forgings is mainly the product part drawing and its technical requirements, the rough drawing and its technical requirements, the technical standards of the relevant process design, the technical requirements of the pre-and post-sequence of the heat treatment of forgings, as well as the technical level of the production site operator and the specific conditions of the equipment. In the following, the specific content and application of these bases are described in detail respectively.