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This paper will cover the design of the pinch bolt injector used on the A380 panel to stringer joining machines #9 and #10. The bolt injector was designed to decrease bolt insertion cycle time, increase reliability and incorporate a fully automated bolt purge system. This paper will cover how the injector handles bolt diameters from 1/4″-1/2″ and how it helped increase the machines' bolt insertion rate from 5.5 bolts per minute to 8 bolts per minute

Interference bolts are widely used in aircraft assembly. Electroimpact has used its Low voltage Electromagnetic Riveter (LVER) technology to automatically swage collars on these bolts. The bolts are installed using two process tools, a percussive bolt inserter and the EMR. The bolt inserter inserts the bolt and the EMR swages the collar. This increased productivity over manual installation, but there was still production time to be saved. The Electromagnetic Bolt Inserter (EMB) was designed to increase production rate even more when installing bolts and swaging a collar onto the bolt. The EMB combines the great benefits of Electroimpact's Low Voltage Electromagnetic riveting technology with a bolt inserter.