Search results
Results from the WOW.Com Content Network
A typical pop-rivet (a.k.a. blind rivet) A pop rivet gun is made to apply pop rivets to a workpiece, and was invented in 1916 by Hamilton Wylie. [2] This type of rivet gun is unique in its operation, because it does not hammer the rivet into place. Rather, a pop rivet gun will form a rivet in-place.
This action causes the end of the rivet to roll over in the rollset which causes the end of the rivet to flare out and thus join the materials together. Impact riveting machines are very fast and a cycle time of 0.5 seconds is typical. Example of a 4-step orbital rivet Diagram of how an orbital riveting works
The bucking bar is a specially shaped solid block of metal. The rivet gun provides a series of high-impulse forces that upsets and work hardens the tail of the rivet between the work and the inertia of the bucking bar. Rivets that are large or hard may be more easily installed by squeezing instead.
In the 1920s, two pneumatic devices were invented that would permanently change the way metal and stone were hammered. The pneumatic rivet gun was originally developed to set hot rivets on girder bridges and high steel buildings. This tool was later scaled down for sheet metal, as the 1930s saw the advent of monocoque aluminum aircraft. The ...
They usually consist of a hard metal rod with a narrow tip at one end and a broad flat "butt" at the other. When used, the narrower end is pointed against a target surface and the broad end is struck with a hammer or mallet , causing the blunt force of the blow to be transmitted through the rod body and focused more sharply onto a small area.
The two halves of a riveted leather snap fastener. The top half has a groove which "snaps" in place when "pressed" into the bottom half. A snap fastener, also called snap button, press button, [1] press stud, [1] press fastener, dome fastener, popper, snap and tich (or tich button), is a pair of interlocking discs, made out of a metal or plastic, commonly used in place of traditional buttons ...
Typical rivet nut Sectional view Sectional view, with bolt inserted. A rivet nut, also known as a blind rivet nut, or rivnut, [1] is a one-piece internally threaded and counterbored tubular rivet that can be anchored entirely from one side. It is a kind of threaded insert. There are two types: one is designed to form a bulge on the back side of ...
One benefit of clinching is the capability to join prepainted sheet metal commonly used in the appliance industry without damaging the painted surface. Clinching is an important means of fastening aluminum panels, such as hoods and decklids, in the automotive industry, due to the difficulty of spot welding of aluminum. [1]