Choosing the Right Riveting Machine

Riveting is a fastening process that uses rivets to join materials together. It can be used to join materials that cannot be joined using heat, such as aluminum products (such as kitchen utensils). It also produces stronger and more reliable joints than spot welding. To increase productivity and quality, these riveting processes are often automated. However, it is important to note that the type of riveting machine selected must be appropriate for the application. A custom machine built specifically for a riveting process is typically the best solution.

Rivet machines come in a variety of configurations, from single-head manual riveters to multihead automated riveting tools that are electrically, pneumatically (pop riveters and air riveters), or hydraulically actuated. The operation of a riveting machine varies from model to model, so it is important to understand the specific machine being used and follow the manufacturer’s guidelines for proper use.

Different types of riveting machines offer advantages and disadvantages based on the assembly process being performed. For example, impact riveting can be a highly effective and cost-efficient option for high volume production. However, this method can cause parts to warp or bend due to the downward force exerted on the materials during processing. Orbital forming can be a good alternative to impact riveting for applications that require the highest level of accuracy and precision.

The riveting process consists of inserting a rivet through aligned holes in the materials to be joined, then pressing or hammering the rivet from the insertion side to provide the second retaining head. The riveting process is simple and easy to automate, making it ideal for manufacturing. It is also less expensive than hot welding, and it provides a strong and durable joint. It is also a more suitable joining method for delicate materials, such as brittle aluminum, which cannot be heat-treated.

The choice of riveting machine type depends on many factors, such as the type of assembly being performed, the amount of force required to deform the rivet, the space available for the riveting tool, and the plant utilities that are available. Taking the time to determine the key assembly success factors up front will help you select the right riveting machine for your application. This will ensure that the process can be conducted effectively with a positive outcome. If you need help determining the correct riveting machine for your application, please contact us. Our team of engineers will be happy to assist you. A new safety feature for impact riveting machines helps prevent injury to operators by preventing the riveter jaws from closing during the initial part clamping stage. This feature is an excellent addition to existing safety features, such as the Orbitform jaw lowering safety device, shown in Fig. 8.1. This safety feature allows the jaws to be lowered only when all forces on the rivet are below a set force. This feature is particularly useful for applications that must comply with strict machine guarding requirements.

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