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Automated Laser Cutting In Three DimensionsComputer-controlled machine-tool system uses laser beam assisted by directed flow of air to cut refractory materials into complex three-dimensional shapes. Velocity, position, and angle of cut varied. In original application, materials in question were thermally insulating thick blankets and tiles used on space shuttle. System shapes tile to concave or convex contours and cuts beveled edges on blanket, without cutting through outer layer of quartz fabric part of blanket. For safety, system entirely enclosed to prevent escape of laser energy. No dust generated during cutting operation - all material vaporized; larger solid chips dislodged from workpiece easily removed later.
Document ID
19950070429
Document Type
Other - NASA Tech Brief
Authors
Bird, Lisa T. (Lockheed Space Operations)
Yvanovich, Mark A. (Lockheed Space Operations)
Angell, Terry R. (University of Central Florida)
Bishop, Patricia J. (University of Central Florida)
Dai, Weimin (University of Central Florida)
Dobbs, Robert D. (University of Central Florida)
He, Mingli (University of Central Florida)
Minardi, Antonio (University of Central Florida)
Shelton, Bret A. (University of Central Florida)
Date Acquired
August 16, 2013
Publication Date
November 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 11
ISSN: 0145-319X
Subject Category
FABRICATION TECHNOLOGY
Report/Patent Number
KSC-11663
KSC-11664
KSC-11665
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.