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Industry 4.0, the 4th industrial revolution, smart manufacturing, digital factories…these are (more)

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Joining mixes of different materials

Joining mixes of different materials

As the automotive industry focuses its design on light weight hybrid materials including carbon fibre, it challenges the joining technologies with these advancements. To meet these industry challenges, Gesipa has strengthened its capabilities with its latest innovation; flow drilling rivet (FDR) technology and SoftGrip blind rivet nut for sensitive and lightweight applications.

FDR is a self -piercing riveting technology that combines the mechanical joining technology of flow drilling a hole and riveting an application in a single step. Whilst preserving the classic benefits of blind riveting technology such as one-sided processing and high-quality, durable connections, FDR also removes possibility of incorrect alignment and bore hole tolerances in the application thereby giving a secure joint. The specially designed rivet head, rotation and joining force enables the new blind rivet to pierce light metals as well as plastics. Proven Gesipa technologies such as the jaws system have been integrated into the development of the automated processing tool. This brings together both functionality and reliability saving cost and time in the application process.

This technology provides many solutions for the joining of these different materials, such as a material mix of high-strength steel, light metal as well as carbon fibre materials. The new SoftGrip blind rivet nut is a further development of the tried-and-tested PolyGrip multi-range blind rivet nut. It combines the advantages of covering large clamping areas and reduced stress on the components by means of controlled deformation during processing.

The Gesipa SoftGrip blind rivet nut enables threads to be produced in sensitive and very soft materials such as plastic components, lightweight panels, etc, without producing too much bearing stress and contact pressure in the components. Component damage such as crushing, cracking and stress-whitening in plastics is therefore effectively avoided.

Furthermore with its latest multi-window process control technology, WinTech, Gesipa is now able to guarantee that the right rivet nuts and nut studs are placed in the right place and in the right quantity in safety critical applications.

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