What are the common mold combinations of sheet metal bending?

Several common mold combinations are used in sheet metal bending to achieve different bending angles and shapes. Here are some of the most frequently used mold combinations:

  1. V-Die and Punch: This is the most basic and commonly used mold combination in sheet metal bending. The V-Die has a V-shaped groove, and the punch has a matching shape. The sheet metal is placed between the V-die and the punch, and the punch is pressed down to bend the metal to a V-shaped angle.
  2. U-Die and Punch: The U-Die has a U-shaped groove, and the punch has a corresponding shape. This mold combination is used to create U-shaped bends in sheet metal.
  3. Gooseneck Punch: The gooseneck punch has a curved shape and creates curved or rounded bends in sheet metal. It is commonly used in applications requiring a smooth, continuous curve.
  4. Offset Punch: The offset punch creates bends with uneven angles or multiple bends close to each other. It allows for the bending of sheet metal in different directions and at different distances from the edge.
  5. Hemming Die: Hemming is a technique used to fold the edge of a sheet metal component for added strength and safety. A hemming die is combined with a punch to fold the edge of the sheet metal over itself.
  6. Curling Die: A curling die is used to create a curled or rolled edge on a sheet metal component. It is commonly used for decorative purposes or to provide a smooth, safe edge.

These are just a few examples of the common mold combinations used in sheet metal bending. The choice of mold combination depends on factors such as the desired bending angle, the sheet metal’s thickness and material, and the project’s specific requirements. It is essential to select the appropriate mold combination to achieve the desired bending result accurately and efficiently.

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