|OEM steel hot forging parts|
Double Plates Friction Press
is dropped onto the metal, causing it to flow and fill the die cavities. The hammer is timed to come into contact with
the metal in quick succession on a scale of milliseconds. Excess metal is pushed out from the die cavities, resulting in
flash. The flash cools faster than the rest of the material, making it stronger than the metal in the die. After forging,
the flash is removed.
In order for the metal to reach the final stage, it is moved through a series of cavities in a die:
1. Edging impression (also known as fullering or bending)
The first impression used to mold the metal into a rough shape.
2. Blocking cavities
The metal is worked into a shape that more closely resembles the final product. The metal is shaped with generous bends
3. Final impression cavity
Final stage of finishing and detailing the metal into the desired shape.
Advantages of closed-die forging:
· Produces near net shapes that require only a small amount of finishing
· Economic for large quantity production
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