Optics: measuring and testing – By configuration comparison – With comparison to master – desired shape – or reference voltage
Patent
1991-05-29
1992-11-03
Evans, F. L.
Optics: measuring and testing
By configuration comparison
With comparison to master, desired shape, or reference voltage
209579, 209586, 356383, 356386, 364559, 364562, 364563, G01B 1102, G01B 1108
Patent
active
051609789
ABSTRACT:
The invention is an apparatus and method for determining and identifying drill bit type in a simple manner that does not involve complex mathematical techniques. The invention utilizes a laser scanner that produces a plurality of crosswise diameter measurements taken equidistantly along each drill bit's length. The crosswise measurement indicates the diameter of the bit's silhouette at a given location. By comparing such diameters with what would be expected for a given bit, the bit's shank type, maximum diameter, flute characteristics and length can be accurately ascertained. Having such information enables identification of the bit so that it may be later kept track of during subsequent sorting and refurbishment operations.
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Evans F. L.
Kaser Bruce A.
The Boeing Company
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