Forging technology

November 15, 2017 | Views: 112 |

A rough blank made by stamping or press (hammer) forging is called forging. A feature of such blanks is the maximum compliance of their dimensions and shape with the required details. Thanks to this, in the production of spare parts from forgings, it is possible to minimize material consumption, as well as significantly simplify the metalworking process, which is the main advantage of this type of rolled metal.

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Production of stamped forgings

As noted above, there are 2 main ways of producing forgings – stamping and forging. In turn, stamping is hot and cold. In the first case, the raw billet is initially subjected to heating, after which it is given the desired shape with the help of a press. In the second – the stamping process is carried out without preliminary heat treatment.

Stamping has several advantages over forging.

  • Higher surface quality of forgings. This reduces chip waste during further processing of parts.
  • The stamping method allows you to get more complex parts, with surfaces located in different planes.
  • Increased performance. Due to the high speed of forging production, it is possible to produce large volumes of rolled metal in a short time.

Manufacture of forgings by hammer forging

This method of production implies the impact on the workpiece of multi-ton forging presses, hammers, sledgehammers, which give it the necessary shape. Despite the fact that the forging method does not make it possible to obtain such an accurate product as with stamping, in some cases it is more appropriate. The fact is that in the process of thermal and mechanical (impact) processing of metal, it is given some specific characteristics, such as high ductility, elasticity, strength, wear resistance, etc.

Thus, the forging process is more efficient in cases where it is required to obtain single products with specific properties. At the same time, high requirements for surface accuracy are not put forward (however, this indicator can later be corrected in the process of metalworking).

It should also be noted the specifics of the manufacture of various types of forgings. Depending on their further application, the manufacturer can establish an absolutely unique technological process. Because of this, the cost of the finished product in each case is calculated individually.

In Ukraine, a number of enterprises are engaged in the production of forgings, including Novokramatorsky Mashinostroitelny Zavod; (NKMZ, Kramatorsk, Donetsk region), "Bonus" (Dnepr), «PressTechMash» (Dnepr), «Lozovsky Forging and Mechanical Plant» (LKMZ, Lozovaya, Kharkiv region) and others.

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You can order high-quality forgings from leading domestic manufacturers at UTMK. We guarantee affordable prices, as well as prompt delivery of rolled metal products to any region of our country!


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