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TECHNICAL PAPERS

CyberCut: An Internet-based CAD/CAM System

[+] Author and Article Information
Sung H. Ahn, V. Sundararajan, Charles Smith, Balaji Kannan, Roshan D’Souza, Ganping Sun, Ashish Mohole, Paul K. Wright

Mechanical Engineering Dept., University of California at Berkeley, Berkeley, CA 94720

JaeHo Kim, Sara McMains, Jordan Smith, Carlo H. Séquin

Computer Science Dept., University of California at Berkeley, Berkeley, CA 94720

J. Comput. Inf. Sci. Eng 1(1), 52-59 (Jan 01, 2001) (8 pages) doi:10.1115/1.1351811 History: Received September 01, 2000; Revised January 01, 2001
Copyright © 2001 by ASME
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References

Figures

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Finding tool accessibility: (a) Shrink outer contour and grow island contour by a distance equal to tool radius (b) Subtract grown island contours from shrunk outer contour (c) grow the result by radius of the tool
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Decomposing pocket: (a) Tool accessibility of larger tool in tool pair (b) Tool accessibility of smaller tool in tool pair (c) Region to be machined by smaller tool in tool pair is given by the boolean difference of the tool accessibility of smaller tool and tool accessibility of the larger tool
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Directed acyclic graph for 4 tools
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Test parts made by CyberCut pipeline. Times are in minutes and a hourly rate of $29.00 was used for cost calculation
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Comparison between Generative Machining of (a) typical CAD/CAM tools and (b) CyberCut. Cybercut’s automated process planning requires less human interaction, resulting a great saving in process planning time

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