Automated Rivet Interference Inspection System

Paper #:
  • 941842

Published:
  • 1994-10-01
Citation:
Hazlehurst, L. and Woods, M., "Automated Rivet Interference Inspection System," SAE Technical Paper 941842, 1994, https://doi.org/10.4271/941842.
Pages:
5
Abstract:
The Automated Rivet Interference Inspection System (ARIIS) has been developed by Boeing to replace the traditional time consuming, operator dependent methods of measuring rivet interference by hand. The new ARIIS method utilizes a Laser micrometer and a precision stepper motor/bench center that are integrated with a PC. Studies show a reduction in measurement variation by a factor of four to five when comparing the ARIIS system to traditional blade micrometer hand methods.The ARIIS system provides built in Statistical Process Control (SPC) for machines that install fluid tight fatigue rated rivets. This is accomplished by automatically keeping records on each inspected fastener. The system on command will generate X bar and R charts, as well as other SPC data on button height, button width, and all interference characteristics over time. Also all pertinent tooling, structure, materials, and aircraft information is automatically recorded for tracking. The system has been used to track machine performance over time by recording rivet installation trends.In addition to supporting production cycles the ARIIS system is extensively utilized as a tool for process research and development.
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