Handling Tool Holder Collision in Optimal Tool Sequence Selection for 2.5-D Pocket Machining

[+] Author and Article Information
Roshan M. D’Souza, Paul K. Wright

Berkeley Manufacturing Institute, University of California, Berkeley, CA 94720

Carlo Séquin

Department of EECS, Computer Science Division, University of California, Berkeley, CA 94720e-mail: sequin@cs.berkeley.edu

J. Comput. Inf. Sci. Eng 2(4), 345-349 (Mar 26, 2003) (5 pages) doi:10.1115/1.1559154 History: Received July 01, 2002; Revised January 01, 2003; Online March 26, 2003
Copyright © 2002 by ASME
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Grahic Jump Location
Graph representation of tool sequences
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Tool holder collision checking
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Pocket decomposition properties
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Building key edges. (a) Tool t5 eliminated due to tool holder collision while machining decomposed sub-pocket D45 associated with the key edge e4→5. (b) Graph after all valid key edges are constructed.
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Graph solving and validating solution (a) The optimal sequence is invalid because of tool holder collision for t6 while machining D26. (b) Reduced graph after removing invalid edges.




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