Joining & assembly SPM
SPR — Self-Piercing Riveting
Self-Piercing Riveting (SPR) is a sophisticated method of joining materials, typically used in manufacturing sectors such as automotive and aerospace. This process involves using a…
What it is
Self-Piercing Riveting (SPR) is a sophisticated method of joining materials, typically used in manufacturing sectors such as automotive and aerospace. This process involves using a robotic system to perform self-piercing riveting, a method that does not require pre-drilled holes. SPR represents a significant technological advancement in assembly and manufacturing processes. It offers a reliable and efficient solution for joining materials, especially in applications where welding is not feasible or desirable.

How we engineer it
Basic Principle
- Self-Piercing Riveting (SPR): A cold joining process where a rivet pierces the materials to be joined (like sheets of metal) and then forms a mechanical interlock at the back side of the materials. This method is particularly effective for joining dissimilar or hard-to-weld materials.
- Robotic Integration: A robotic arm is equipped with an SPR tool to automate the riveting process. This system ensures precision and consistency in the riveting operation.
Key Components
- Robotic Arm: A programmable, highly precise arm that holds and operates the riveting tool.
- SPR Tool: A specialized tool attached to the robotic arm, designed to apply the rivet with sufficient force to pierce and join the materials.
- Control System: Software that guides the robot arm’s movements, ensuring accurate placement and setting of the rivets.
Challenges and Considerations
- Initial Investment: The cost of setting up robotic SPR systems can be significant.
- Technical Expertise: Requires skilled personnel for programming, operating, and maintaining the system.
- Integration: Needs to be carefully integrated into the existing manufacturing process.
What you get out of it
Improved Safety
Minimizes the need for human involvement in repetitive and physically demanding tasks.
Precision and Quality
Ensures high-quality riveting with consistent results, crucial for structural integrity.
Efficiency
Increases production speed and throughput, as the robotic system can operate continuously.
Versatility
Can join a wide range of materials, including different metals and composites.
Related solutions
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