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Use of laser interferometer for position feedback

Author
Barkman, W. E.
Published
United States : [publisher not identified], 1979.
Springfield, Va. : National Technical Information Service, [approximately 1979]
Physical Description
microfiche : negative ; 11 x 15 cm

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Summary
Traditional methods for monitoring the position of machine-tool slides have utilized resolvers, encoders, Inductosyns, etc, that typically infer the position of the cutting tool and part by measuring a secondary characteristic such as the angle of a drive motor or lead screw. Some undesirable features of this technique arise from the lack of rigidity between the point of interest and the point of the measurement. Other disadvantages result from the resolution and accuracy associated with these transducers. The laser interferometer position-measuring systems available today offer +- 0.5 parts-per-million (ppM) accuracy with a maximum measuring velocity of 18m/min (720 in/min) and permit the user to measure more directly the location of the point of interest. The use of laser position-measuring systems on a variety of machine tools is discussed.
Report Numbers
Y-2188
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: W-7405-ENG-26
OSTI Identifier 5878530
Research organization: Oak Ridge Y-12 Plant (Y-12), Oak Ridge, TN (United States).
View MARC record | catkey: 45336992