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Sheet Forming.pptx

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Sheet Forming.pptx

  1. 1. Introduction Sheet metal forming is a process where materials undergo permanent deformation by cold forming to produce a variety of complex three dimensional shapes.
  2. 2. Types of Sheet Metal Forming Operations 1.Cutting 2.Bending 3.Drawing
  3. 3. Cutting Operation Cutting process is used to separate large sheets into smaller pieces, to cut out a part or to make holes in part. 1. Shearing 2. Blanking and Punching
  4. 4. Shearing Process Shearing process is a sheet metal cutting operation along a straight line between two cutting edges by means of a power shear.
  5. 5. Blanking and Punching Process Blanking is a process in which a flat, geometric shape (or “blank”) is created by feeding a sheet metal into a press and die. Punching is a separating technique, mainly used to process holes into flat materials like paper, plastic film or sheet metals.
  6. 6. Blanking and Punching Process If the part that is cut out is the desired product, the operation is called blanking and the product is called blank. If the remaining stock is the desired part, the operation is called punching
  7. 7. A process by which a straight length is transformed into a curved length. Examples: Drums, tank, channels. Bending Operation
  8. 8. - sheet metal is bent between a V-shaped punch and die.
  9. 9. Punch Press Bending
  10. 10. Drawing Operation Drawing is a sheet-metal-forming operation used to make cup-shaped, box-shaped, or other complex-curved and concave parts.
  11. 11. Drawing Process It is performed by placing a piece of sheet metal over a die and then pushing the metal into the opening with a punch. (Pressing into desired shaped).

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