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Free forging is a processing method, referred to as free forging, which uses impact force or pressure to make the metal deform freely in all directions between the upper and lower anvil surfaces without any restriction to obtain the desired shape and size and certain mechanical properties.
Forging characteristics

The tools and equipment used in free forging are simple, universal and low cost. Compared with casting blank, free forging eliminates shrinkage cavity, shrinkage porosity, porosity and other defects, so that the blank has higher mechanical properties. Forgings are simple in shape and flexible in operation. Therefore, it is particularly important in the manufacture of heavy machinery and important parts.

Application field

Free forging is to control the shape and size of forgings by manual operation, so the forging precision is low, processing allowance is large, labor intensity is large, productivity is not high, so it is mainly used in single, small batch production.


Free forging is divided into manual free forging and machine free forging.

Manual free forging production efficiency is low, labor intensity is large, only used for repairing or simple, small, small batch of forging production.

In modern industrial production, machine free forging has become the main method of forging production, in heavy machinery manufacturing, it plays a particularly important role. The shape and size of the forging are mainly determined by the technical level of the operator.

The main equipment

Free forging equipment is divided into hammer and hydraulic press two categories. The forging hammer used in production has air hammer and steam - air hammer, some factories also use simple structure, less investment spring hammer, plywood hammer, lever hammer and wire hammer, etc. Hydraulic press deforms billet by static pressure produced by liquid, which is an important way to produce large forgings.

 Tong Xin forging free forging products have preferential price and stable quality.

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