Nut-fastening and collar swaging end effectors from KUKA

KUKA has developed nut-fastening and collar swaging end effectors for sensitive robots especially for the aerospace sector. For the first time, high-precision nut-fitting and collar swaging processes can be completely automated. Two robots positioned opposite one another work together as a team.

Nut-fastening and collar swaging end effector: automated teamwork 

The KUKA nut-fastening  and collar swaging end effectors enable not only normal nut and collar fitting, but also the mating of the hex socket with the Hi-Lok® pins in the absence of visual contact. These end effectors are thus the perfect additions for the LBR iiwa – thanks to intuitive positioning by means of touch sensing and hold-and-drive.

New in the aerospace industry: robot-robot collaboration

With our nut-fastening end effector, two robots positioned opposite one another can be paired up as a team. This gives the nut-fastening end effector a remarkable reach – in a flash, it is wherever riveting or another fastening operation is required.

With our nut-fastening and collar swaging end effectors, two robots positioned opposite one another can be paired up as a team. This cooperation enables a complete fastening operation.

The LBR iiwa autonomously fetches a new fastening element from its automatic part feeder. As soon as its partner – the heavy-duty robot on the other side of the aircraft component – has drilled the hole and inserted the Hi-Lok® pin, the LBR iiwa screws on the collar. This highly efficient cooperation enables faster and more reliable execution of assembly work.

Nut-fastening and collar swaging end effectors: your advantages

KUKA is providing the aerospace industry with intelligent end effector s that can be used for fast, fully automated and extremely precise fastening of nuts and swaging of collars.  

Automation for Industrie 4.0

These end effectors enable fully automated fastening operations on aircraft construction. It relieves the burden on factory workers and reduces personnel expenditure and maintenance costs.

Optimal accessibility

Even in the most inaccessible of positions, these end effectors manage to fit nuts and collars with the utmost precision using the LBR iiwa.

Versatility: compliance and teach-in programming

The nut-fastening and collar swaging end effectors are highly versatile – they can be used to tighten a wide range of different nut and collar types. Thanks to the robot compliance and to the teach-in programming, these end effectors are able to grip and tighten the right nut or collar for every riveting position.

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