A riveting machine is a machine used to automatically set or squeeze rivets in order to join materials together. When compared to manual riveting, a riveting machine offers greater consistency, productivity, and lower cost. Today there are so many types of riveting machines available that it can be difficult to know which is the right one for you. This blog will explore a few types of riveting machines and their unique characteristics.
One way to differentiate riveting machines is by the way the rivets are fed. All rivet machines are either automatic feed or manual feed. Automatic feed riveting machines feature a hopper and feed track which automatically delivers the rivet to the setting tool, removing the need for the operator to position the rivet. The downward force needed to install the rivet is created by a motor and flywheel, pneumatic cylinder, or hydraulic cylinder. Manual feed riveting machines typically feature a mechanical lever to deliver the setting force from a foot pedal or hand lever. Riveting machines are further divided into two subgroups: impact riveting machines and orbital riveting machines.
Impact Riveting Machines
Impact riveting machines set a rivet by driving it downwards, through the materials to be joined and into a forming tool known as a rollset. This action causes the end of the rivet to deform into the rollset, making the end of the rivet flare out, thereby joining the materials together. Impact riveting machines are known for their speed and efficiency. Each cycle lasts just half a second on average. Orbital riveting machines feature a spinning forming tool, known as a peen, which is gradually lowered into the rivet and spreads the rivet material into a desired shape depending on the design of the tool. Orbital riveting machines offer more control over the riveting cycle, but have a longer cycle time which can last up to three seconds.
Orbital Riveting Machines
Orbital riveting machines are used in a broad range of applications. Some of these include brake linings for commercial vehicles, aircraft, and locomotives, textile and leather goods, metal brackets, window and door furniture, latches, and even in the assembly of mobile phones. Many different materials can be joined using orbital riveting machines, including delicate or brittle materials, as well as fragile electrical and electronic components.
Radial or Spiral Riveting Machine
Another type of riveting is radial or spiral form riveting. This is similar to orbital riveting, though there are subtle differences. In cases where high-quality joints are needed, radial riveting is usually the best choice, due to the low cycle time, low amount of force needed, and the high quality results. The riveting peen has a unique design that deforms the rivet in three directions: radially outwards, radially inwards, and overlying tangentially. In the radial riveting process, the tool itself does not rotate. As a result, the friction between the tool and workpiece is limited, resulting in an excellent surface structure.
Each type of riveting machine has its unique benefits. Whatever type of riveting machine or riveting machine components you need, be sure you are getting reliable equipment from a trusted source like One Click Purchasing.
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