Types of Metal Piercing Rivets and Their Applications

  • jumidata
  • 2024-06-26
  • 87

Metal piercing rivets are a type of fastener that is used to permanently join two or more pieces of metal together. They are installed by inserting the rivet into a hole that has been pre-drilled in the metal, and then expanding the rivet so that it fills the hole and creates a strong bond between the two pieces of metal.

Metal piercing rivets are available in a variety of materials, including steel, aluminum, and stainless steel. They are also available in a variety of sizes and shapes, so they can be used for a wide range of applications.

Some of the most common applications for metal piercing rivets include:

Blind Rivets

Blind rivets are ideal for applications where access to only one side of the workpiece is possible. They consist of a rivet body, a mandrel, and a setting tool. The mandrel is inserted into the rivet body and pulled through the workpiece, which expands the rivet body and forms a strong joint. Blind rivets are available in various materials, including aluminum, steel, and stainless steel, and in a range of diameters and lengths.

Solid Rivets

Solid rivets are one-piece fasteners that require access to both sides of the workpiece for installation. They are inserted into a pre-drilled hole and then hammered or pressed into place. As the rivet is expanded, it fills the hole and creates a permanent joint. Solid rivets are commonly used in applications where high strength and durability are required, such as in structural steelwork and heavy machinery.

Tubular Rivets

Tubular rivets comprise a hollow body with a closed end and an open end. They are inserted into a pre-drilled hole and then expanded using a setting tool. As the rivet is expanded, the closed end forms a head that bears against the workpiece, while the open end forms a tail that extends beyond the workpiece. Tubular rivets are available in various materials and sizes, and they can be used in a wide range of applications, including automotive, aerospace, and electronics.

Self-Piercing Rivets

Self-piercing rivets (SPRs) have a unique design that allows them to pierce through multiple layers of metal without pre-drilling. They consist of a sharp point and a hardened body. As the rivet is driven into the workpiece, the sharp point pierces through the metal, creating a hole and then expands to form a strong joint. SPRs are ideal for applications where drilling is impractical or undesirable, such as in thin or brittle materials.

Conclusion

Metal piercing rivets are versatile fasteners with a wide range of applications. Their permanent joining capabilities and resistance to vibration and fatigue make them ideal for use in various industries, including construction, automotive, electronics, and aerospace. By understanding the types and applications of metal piercing rivets, engineers and designers can select the most suitable fasteners for their specific requirements.

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