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Frontiers October 2013 Issue

‘marvelous piece of technology’ 20 BOEING FRONTIERS / OCTOBER 2013 The new Automated Spar Assembly Tool, or ASAT6, drills and installs seven fasteners per minute into the 82-foot (25-meter) wing spar of the 767. That’s 50 percent faster than ASAT1, the tool it replaced. Advanced software technology allows the tool to quickly measure and install about 3,500 fasteners per spar, and the tool can accommodate more than 150 different fastener combinations. It has the capacity to drill and quality-check holes as small as 3/16 inches and as large as 3/8 inches wide (about 0.5 to 1 centimeter, respectively). The variety of options means flexibility to accommodate differences between the commercial 767 wing spar and KC-46A tanker wing spar. Built by Electroimpact of Mukilteo, Wash., ASAT6 includes ergonomically designed workstations, a visual color-coding system and easy one-step setup. And ASAT6 collects more than 90 percent of its own drill shavings. It has two separate spar lines, each weighing 140 tons (125 metric tons) and extending 120 feet in length and 12 feet across (37 and 3.7 meters, respectively). Each line sits atop 38 inches (1 meter) of steel and is surrounded by 30 tons (27 metric tons) of decking.


Frontiers October 2013 Issue
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