Although the styles and drive systems vary widely, a forging can be produced on any of the following pieces of equipment.
Hammers with a driving force of up to 50,000 pounds, pound the metal into shape with controlled high pressure impact blows.
Presses with a driving force of up to 50,000 tons, squeeze the metal into shape vertically with controlled high pressure.
Upsetters are basically forging presses used horizontally for a forging process known as "upsetting".
Ring Rollers turn a hollow round piece of metal under extreme pressure against a rotating roll, thereby squeezing out a one-piece ring (with no welding required).