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Forging Machinery

Forging Machinery

The Forging Process

Forging is a process whereby metal is pressed, pounded or squeezed under pressure into high strength parts known as forgings. The process is normally (but not always) performed hot by preheating the metal to a desired temperature before it is worked.

The forging process is entirely different from the casting (foundry) process, as metal used to make forged parts is never melted and poured into a mold (as in the casting process) but rather is first cast as an ingot or Billet and is then heated to be Forged or Pressed, pounded or squeezed in order to achieve the desired shape and size required.

This forging process produces parts much stronger than can be produced utilizing any other metalworking process due to the fact that Forgings have a much more uniform structure and a finer grain size than castings which results in more predictable and uniform properties as well as higher yield strengths for any given hardness level. Further, Forgings do not have "Soft Spots" which can be found in castings which are defects that can develop into cracks. The Pressing Process, which directs the metal's grain flow, eliminates any potential "Soft Spots" that may be found in the Ingots or Billets ultimately giving each Forging ultimate achievable strength.

How To Produce Forgings

The following machines can produce forgings:

1.) Hydraulic Open Die Forging Presses & Open Die Forging Hammers

Open Die Forging does not utilize any pattern or shaped dies therefore, there are no precise shapes in the die used in these Free Form Presses. Forgings produced by this method are rough shaped close to the final desired design thus minimizing material waste. Open Die Forging Presses are designed and built-in sizes up to and including around 20,000 tons. Open Die Forging Hammers are designed and built-in sizes up to and including around 220,000 lbs. Large Shafts for Turbines, shipping vessels and large forgings for nuclear installations are among many other large components forged on these Presses and Forging Hammers prior to machining.

2.) Hydraulic Closed Die Forging Presses, Mechanical Forging Presses & Closed Die Forging Hammers

Closed Die Forging utilizes shaped dies in which a part is forged into a specific shape. Unlike Open Die Forging Systems, Closed Die Forging Systems offer a more precise way to produce a complex part through the Forging Process such as Gear Blanks, and parts with more complex shapes. Parts are formed by the pressing of two dies together where the part is fully enclosed inside the two dies. Usually an Upper die and a Lower die. Closed Die Forging Presses are designed and built in sizes up to and including 80,000 metric tonnes. Heavy duty Aerospace and Aircraft landing gears are Form-Shaped prior to precise machining.

Used Forging Machinery Quotes

TrueForge specializes in Heavy Forging Machinery & Equipment and we have an outstanding selection of used forging machinery for sale.  We buy & sell used, refurbished or rebuilt forging machines and deliver them to both domestic and international customers around the world. Please reach out to us for a quotation for any of the Forging Machinery on our site. Please send all inquiries to