NASA NTRS · 19940000413
Optically Aligned Drill Press
Abstract
Precise drill press equipped with rotary-indexing microscope. Microscope and drill exchange places when turret rotated. Microscope axis first aligned over future hole, then rotated out of way so drill axis assumes its precise position. New procedure takes less time to locate drilling positions and produces more accurate results. Apparatus adapted to such other machine tools as milling and measuring machines.
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Adderholdt, Bruce M.. 1994-07-01. Optically Aligned Drill Press. https://ntrs.nasa.gov/citations/19940000413
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