Which metalworking operation is performed by forcing metal between two or more dies?

Which metalworking operation is performed by forcing metal between two or more dies?

• A. Forging
• B. Welding
• C. Casting
• D. Finishing

Answer: (A)

Shaping metal by forcing it to flow under pressure between two or more dies is forging. In forging, the metal undergoes plastic deformation as it is pressed or hammered, filling the shapes formed by the dies to create a part with the desired geometry and improved grain structure for strength. This method relies on compressive forces and die impressions rather than melting or casting. Welding isn’t it because welding joins pieces by fusing material at their joint, not by shaping a single piece with dies. Casting isn’t it because casting forms parts by pouring molten metal into a mold, not by forcing solid metal between dies. Finishing isn’t it because finishing refers to surface treatments applied after a part is formed, such as polishing or coating, not to shaping the metal itself.

Shaping metal by forcing it to flow under pressure between two or more dies is forging. In forging, the metal undergoes plastic deformation as it is pressed or hammered, filling the shapes formed by the dies to create a part with the desired geometry and improved grain structure for strength. This method relies on compressive forces and die impressions rather than melting or casting.

Welding isn’t it because welding joins pieces by fusing material at their joint, not by shaping a single piece with dies. Casting isn’t it because casting forms parts by pouring molten metal into a mold, not by forcing solid metal between dies. Finishing isn’t it because finishing refers to surface treatments applied after a part is formed, such as polishing or coating, not to shaping the metal itself.