Blind Rivet

A blind rivet, also known as a pop rivet, is a type of fastener used to join two or more sheets of material together. Here is a detailed introduction:

Structure

A blind rivet consists of two main parts: the rivet body and the mandrel. The rivet body is cylindrical with a head on one end and a hollow shaft on the other. The mandrel is a thin rod that runs through the center of the rivet body.

Working Principle

When a blind rivet is installed, a special tool called a rivet gun is used. The rivet gun grips the mandrel and pulls it, causing the mandrel to exert force on the inside of the rivet body. This force expands the end of the rivet body, deforming it to create a "blind" head on the opposite side of the material being joined. As the mandrel is pulled further, it eventually breaks off at a predetermined notch, leaving the expanded rivet body holding the materials together.

Applications

Blind rivets are widely used in various industries. In the aerospace industry, they are used to assemble aircraft components due to their high strength and reliability. In the automotive industry, they are used for attaching body panels, interior trim, and other parts. They are also commonly used in construction, electronics, and furniture manufacturing. For example, in construction, they can be used to fasten metal sheets in roofing or siding applications. In electronics, they are used to secure components to printed circuit boards.

Advantages

Easy to use: Blind rivets can be installed quickly and easily, even in hard - to - reach places, as only one side of the joint is accessible during installation.

Versatile: They can be used with a variety of materials, including metals, plastics, and composites.

Good strength: They provide a reliable and strong connection, capable of withstanding significant tensile and shear forces.

Sealing properties: Some blind rivets can offer good sealing characteristics, making them suitable for applications where preventing leakage is important.

DIN7337 Countersunk Head Open End Blind Rivets

Standard: DIN7337

Diameter: 2.4mm to 5mm

Length: 6mm to 25mm

Head type: Domed, CSK,FLANGE,etc

Material: Aluminum 5050/5154,Stainless steel

Surface: Plain polished

Aluminium Steel Big Head Blind Rivet

An Aluminium Steel Big Head Blind Rivet consists of an aluminium alloy shank and a steel big head. The shank is usually made of high - quality aluminium alloy, which offers good corrosion resistance and lightweight characteristics. The big head, made of steel, provides enhanced strength and durability. It also has a mandrel inside. When the rivet is installed, the mandrel is pulled to expand the shank and form a tight connection.

Close Type Blind Rivet

When installing the close type blind rivet, a special riveting tool is used to pull the mandrel. As the mandrel is pulled, it exerts force on the inside of the rivet body, causing the body to expand and deform. The closed end of the rivet prevents the material from protruding or escaping during the deformation process, ensuring a neat and clean fastening. Eventually, the mandrel is broken off at a predetermined point, leaving the deformed rivet body to firmly connect the two or more workpieces together.