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Technical Paper

Mobile Automated Robotic Drilling, Inspection, and Fastening

2013-09-17
2013-01-2338
The versatility of the accurate robot has been increased by coupling it with a mobile platform with vertical axis. The automation can be presented to fixed aircraft components such as wings, fuselage sections, flaps, or other aircraft assemblies requiring accurate drilling, inspection, and fastening. The platform accommodates a tool changer, ride along coupon stand, fastener feed system, and other systems critical for quality automated aircraft assembly. The accurate robot's flexibility is increased by a floor resynchronization system. The indexing system is replaced by an automated two-camera onboard vision system and miniature targets embedded in the factory floor, with accuracy comparable to cup and cone alternatives. The accurate robot can be deployed by casters, curvilinear rail, or air bearings.
Technical Paper

EMR with High Reliability for Retrofit of E4100 Riveting Gantry Machines

2017-09-19
2017-01-2099
Electroimpact has retrofitted two E4100 riveting gantry machines and two more are in process. These machines use the EMR (Electromagnetic Riveter) riveting process for the installation of slug rivets. We have improved the skin side EMR to provide fast and reliable results: reliability improved by eliminating a weekly shutdown of the machine. In paper 2015-01-2515 we showed the slug rivet injector using a Synchronized Parallel Gripper that provides good results over multiple rivet diameters. This injector is mounted to the skin side EMR so that the rivet injection can be done at any position of the shuttle table. The EMR is a challenging application for the fingers due to shock and vibration. In previous designs, fingers would occasionally be thrown out of the slots. To provide reliable results we redesigned the fingers retainer to capture the finger in a slotted plastic block which slides along the outside diameter of the driver bearing.
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