What Is Closed-Die Forging?

Closed-die forging, also known as impression forgings, applies pressure to forge a piece of metal to fill an enclosed die. Once the metal has been heated to malleable temperature, the closed-die presses together forcing the metal to fill up the impressions.

Benefits of Closed-Die Forging:

  • Tighter grain formation
  • No limitation on materials
  • Smoother surface finish
  • Better precision and tolerances
  • Little to no refinement required for complex pieces
  • Economical for large runs
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