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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 23 — Nov. 10, 2008
  • pp: 18942–18949

Pseudo-random tool paths for CNC sub-aperture polishing and other applications

Christina R. Dunn and David D. Walker  »View Author Affiliations


Optics Express, Vol. 16, Issue 23, pp. 18942-18949 (2008)
http://dx.doi.org/10.1364/OE.16.018942


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Abstract

In this paper we first contrast classical and CNC polishing techniques in regard to the repetitiveness of the machine motions. We then present a pseudo-random tool path for use with CNC sub-aperture polishing techniques and report polishing results from equivalent random and raster tool-paths. The random tool-path used – the unicursal random tool-path – employs a random seed to generate a pattern which never crosses itself. Because of this property, this tool-path is directly compatible with dwell time maps for corrective polishing. The tool-path can be used to polish any continuous area of any boundary shape, including surfaces with interior perforations.

© 2008 Optical Society of America

OCIS Codes
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4610) Optical design and fabrication : Optical fabrication
(220.5450) Optical design and fabrication : Polishing

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: August 15, 2008
Revised Manuscript: October 20, 2008
Manuscript Accepted: October 24, 2008
Published: November 3, 2008

Citation
Christina R. Dunn and David D. Walker, "Pseudo-random tool paths for CNC sub-aperture polishing and other applications," Opt. Express 16, 18942-18949 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-23-18942


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