Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Patent
1988-10-03
1989-07-25
Briggs, William
Gear cutting, milling, or planing
Milling
Randomly manipulated, work supported, or work following device
408 88, 408 91, 409175, B23C 120, B23B 4514
Patent
active
048507636
ABSTRACT:
A semi-automatic track drill for use in drilling fastener holes for an aircraft body includes a pair of generally spaced, parallel rails. A plurality of slider bars extend between the rails and are connected thereto in a manner so that each bar can be slid along the length of the rails. Positioned between at least two of the bars is a drill carriage which is also slidably connected to the rails. A template having a series of alternating lands and grooves registers the carriage at preselected drilling positions. The drill assembly, including the template, is secured to the aircraft body by temporary clamping bolts which are positioned in a line along the body's surface.
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Jack Milton R.
Woods Quentin T.
Briggs William
Kaser Bruce A.
The Boeing Company
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