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Technical Paper

G12 Automatic Fastening Launch Vehicle

Abstract The following is a unique case study expounding on automatic fastening technology designed and engineered to ramp up a Tier 2 supplier that had no experience with automatic fastening, to efficiently produce a large volume of fuselage panel assemblies with demanding process requirements in a very short amount of time. The automation technology integrated for the skin to stringer & skin to window frame fastening were two GEMCOR G12 five-axis CNC All-Electric fastening systems coupled with a Cenit offline part programming system. This joint solution served as a launch vehicle for Center Industries to efficiently supply the full rate of fuselage panel assemblies for a large volume commercial aircraft program without having any automatic riveting experience.
Technical Paper

Hydraulic Riveting-State of the Art Technology

This technical paper will address advancements in automatic riveting machine design, control, and process. VME based motion control combined with new component designs have produced a very flexible, state of the art, riveting system. This flexibility allows use of the fully programmable squeeze/squeeze III slug process, and variable upper tooling clearance heights to decrease cycle times. This state of the art technology includes infinitely positionable high speed double acting servo pressure foot, drill and shave spindles, upper buck cylinder, lower ram, and lower clamp assemblies.