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Die forging refers to forging methods which are used in special forging equipment to form blanks. The forging size produced by this method is accurate, the machining allowance is small, and the structure is more complex and the productivity is high.

According to the different classification of equipment used: die forging on the hammer, die forging on the crank press, die forging on flat forging machine and die forging on friction press, etc.

The most commonly used equipment for die forging on hammers are steam air die forging hammers, anvil fewer hammers and high-speed hammers.

Forging die bore: according to its function, it can be divided into two categories: die forging die bore and blank making die bore.

Advantages of forging process:
High production efficiency. During die forging, the deformation of forging material is carried out in the die bore, so the required shape can be obtained quickly;
It can forge the forging with complex shape, make the distribution of metal streamline more reasonable and improve the service life of parts;

The size of die forging is more accurate, the surface quality is better, and the machining allowance is smaller;

Save metal materials and reduce the workload of cutting.

Under the condition of enough batches, the cost of parts can be reduced.

Disadvantages and limitations:

The weight of die forgings is limited by the capacity of general die forging equipment, most of which are below 7kg;

The manufacturing cycle of forging die is long and the cost is high;

The investment cost of die forging equipment is larger than that of free forging.

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