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SAE International Journal of Alternative Powertrains

  • Journal
  • V129-8EJ
To be published on 2020-06-30 by SAE International in United States
This is the electronic format of the journal.

SAE International Journal of Transportation Safety

  • Journal
  • V129-9EJ
To be published on 2020-06-30 by SAE International in United States
This is the electronic format of the journal

SAE International Journal of Transportation Cybersecurity and Privacy

  • Journal
  • V129-11EJ
To be published on 2020-06-30 by SAE International in United States
This is the electronic format of the journal.

SAE International Journal of Fuels and Lubricants

  • Journal
  • V129-4EJ
To be published on 2020-03-31 by SAE International in United States
This is the electronic format of the journal.

SAE International Journal of Vehicle Dynamics, Stability, and NVH

  • Journal
  • V129-10EJ
To be published on 2020-03-31 by SAE International in United States
This is the electronic format of the journal

SAE International Journal of Materials and Manufacturing

  • Journal
  • V129-5EJ
To be published on 2020-03-31 by SAE International in United States
This is the electronic format of the journal
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Tapered Hole Automation for Hard Metals – Enabling Producibility

Electroimpact Inc.-Russell DeVlieg
The Boeing Company-Trevor Hartnagel
  • Technical Paper
  • 2020-01-0006
To be published on 2020-03-10 by SAE International in United States
Assembly of the F-15 wing utilizes the Taper-Lok fastening system which requires precise preparation of conical holes to enable tapered fasteners to provide a uniform interference fit. The controlled interference fit directly affects fastener preload to reduce stress and improve fatigue life. Traditional methods for generating tapered holes in thick aluminum and titanium structures require heavy duty tooling. Fixtures are clamped to aircraft structure which hold large power feed to complete the hole generation processes in multiple steps. Manual drilling for Taper-Loks is labor intensive, non-ergonomic, and requires extreme care to ensure quality holes are produced. Automated hole generation was a logical solution to the complex Taper-Lok fastening system, however replicating traditional drilling methods proved challenging. Extensive testing was completed to ensure hole quality generated with automation would meet or exceed existing power feed equipment. Once process capabilities were proven and equipment requirements were generated, an articulated arm-based drilling system was developed and implemented. The automation was designed to accurately position and complete the hole preparation process in a single pass by the use of…
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Automated Inspection of Polished Skin

Kawasaki Heavy Industries, Ltd.-Naofumi Aoki, Takuya Ota, Masayoshi Zaitsu
  • Technical Paper
  • 2020-01-0032
To be published on 2020-03-10 by SAE International in United States
This report is about development result of an automatic defect detector for polished skins. The “polished skin” material is used for an outside plate of commercial airplanes. The polished skin is manufactured by polishing the surface of an aluminum clad material and it has a uniform high level of color, brightness, and reflectivity. It can be used without painting because the surface has a natural oxide layer which prevents corrosion. The polished skins are inspected with visual observation and it is large burden for inspectors to find minute defects on the large size materials. An automated inspection is not easy because the material has mirror surface and its size is large. Defects on the polished skin can be classified broadly into three categories: dent, bump and color change. Therefore, a defect detector has to be able to detect these defects, and measure surface profile of defects. This technical report presents the outcomes from a design and a manufacture of the defect detector which has been designed to be low cost and high performance. It has…

SAE International Journal of Passenger Cars - Mechanical Systems

  • Journal
  • V129-6EJ
To be published on 2020-02-28 by SAE International in United States
This is the electronic format of the journal.

SAE International Journal of Engines

  • Journal
  • V129-3EJ
To be published on 2020-02-28 by SAE International in United States
This is the electronic format of the journal.