Forging manufacturer: Types of forgings?
Forging manufacturer: as a more widely used in the industrial field of forgings, but also has many different types, then the specific types are how to use and distinguish them? We have to understand one by one, only to understand clearly, in the use of the process will not make mistakes, causing irreparable damage. Next we will take a look at the types of forgings.
Forging manufacturer: then before use, we first look at the different processing temperature according to the forgings for classification, can be divided into cold forging warm forging and hot forging according to the temperature of the billet in processing. Here the cold forging is generally processed at room temperature, as opposed to hot forging which is processed at a temperature higher than the recrystallization temperature of the metal billet. Then we can look again, according to the forging structure for classification, because the forging geometry structure complexity of individual differences, which also determines its die forging process and die design has obvious differences, so in the process design before, clear forging structure type is a necessary prerequisite. Then in the industry, according to the structure of the distinction then more types, generally first forgings into 3 categories, each category and then subdivided into 3 groups, a total of 9 groups. So in use is to know clearly the type of its use, otherwise it will be confused and affect the progress of the project. As a class inside, mainly the main body axis standing in the die chamber forming, horizontal direction two-dimensional size similar and round or rotary body mostly, square or similar shape of forgings. Forgings in this category are usually forged using the upsetting step. They can then be subdivided into 3 groups depending on their forming difficulty. Then there is the group of forgings that are formed by upsetting and slightly pressed in, such as gears with little variation in height between hub and rim. The second group is forgings formed by compound extrusion, such as hub axles. The third group is the extrusion and slightly upsetting way and both extrusion, pressing and upsetting way forming forgings, such as universal joint forks, cross shafts, etc..
Forging manufacturer: then as the second type of forgings, mainly the main axis lying in the die chamber forming, horizontal direction of a dimensional size longer straight long shaft type forgings. It can also be subdivided into 3 groups according to the degree of difference in the cross-sectional area of the vertical main axis. One group is forgings with a small difference in the cross-sectional area of the vertical main axis. The second group is forgings with a large difference in the cross-sectional area of the vertical main axis, such as connecting rods. The third group is forgings with forked or branch-shaped ends (one or both ends). And in addition to the above two groups to determine the need for billet making, the other is the need for a reasonable design of pre-forging steps, such as casing forks, etc.. And the above two types of forgings are generally flat or symmetrical curved parting, and asymmetrical curved parting increases the complexity of the forging. The third type of forgings is the main axis zigzag, lying in the die chamber forming forgings.
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