What are the different types of blind rivets ?Ī blind rivet, sometimes called a pop rivet, has a hollow cylindrical pin (body) that is attached to the head. Rivet mandrel head: The mandrel head expands the body of the rivet then leaves itself buried inside the rivet, creating a second head to secure and fasten the pieces being joined.The rivet gun pulls the mandrel partially through the pin (body) of the rivet, deforms the pin to form a second head, and then snaps the mandrel off. Rivet mandrel: The mandrel is slotted into the rivet gun when it is fastened.Rivethead: The head will sit on the outside of the material to stop the rivet from sliding out of the material.Rivet pin: The pin is the main body of the rivet which will slot through the pieces of material being joined together.Once gripped, the mandrel snaps and holds the rivet permanently in place. A pop rivet is then inserted through the drilled hole and the rivet body is brought into contact with the parts.Ī rivet gun is placed on the rivet and pulls the mandrel into the rivet body, causing it to expand and hold the parts to be joined. In situations where access to either side of a component is restricted, a hole is first drilled through the parts to be joined. The first part is called the rivet body (also called the shell or hat) and the second part is called the mandrel (also called the stem). For simple repairs or if you just need to add a few rivets, you can use a manual pop rivets tool.įor heavy applications such as manufacturing or construction, you should use a pneumatic or electric pop riveting tool that provides more pulling force. Installation is usually completed with a single, gentle pulling motion, but the force required for installation depends on the size of the rivet and its application. These rivets are called “pop rivets” because of the sound you hear when the mandrel breaks off. Once the joint is complete, the mandrel is snapped off at a pre-set nick for a clean finish. To install the rivet, the mandrel is pulled out with a blind riveting tool, which compresses the shank on the blind side of the workpiece, pulling the material together. Pop rivets are a relatively simple design consisting of a shank that is inserted into a pre-drilled hole and a mandrel that fits through the shank. Pop rivets are a special type of blind rivet designed to be installed from one side of a joint, making them extremely valuable for fabrication and assembly applications where you cannot access both sides of the workpiece. They are used in applications where there is limited or no access to the rear side (blindside) of the parts to be joined. Pop rivets, also known as blind rivets, are a type of rivets.
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