Feature Based Macroplanning Including Fixturing

[+] Author and Article Information
V. Sundararajan, Paul K. Wright

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

J. Comput. Inf. Sci. Eng 2(3), 179-191 (Jan 02, 2003) (13 pages) doi:10.1115/1.1526506 History: Received October 01, 2001; Revised October 01, 2002; Online January 02, 2003
Copyright © 2002 by ASME
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Definition of 2.5D feature and freeform feature
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Definition of open edges and through features (a) concept of open edges; (b) open edges between feature for freedom parts; (c) through features
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Alternate representations from +x and +z direction
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Complete feature graph for the example part
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Classification of features
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Classification of features
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Preprocessing for macroplanning
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Result of preprocessing on example component
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Inprocess shape for the setup
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Planning for fixturing using toe-clamps
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Stability under gravity
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Computing theoretical clamping regions
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Checking for the strength of component under clamps
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Algorithm for computing theoretical clamping regions for vise
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Algorithm for setup planning
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Obtaining the total inprocess shape
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Detailed planning for features
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Possible microplanner failure
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Examples of parts for vise clamping
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Example parts for toe-clamps



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