A Metric-Based Approach to Two-Dimensional (2D) Tool-Path Optimization for High-Speed Machining

[+] Author and Article Information
Hongcheng Wang, Peter Jang, James A. Stori

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801 Telephone: (217) 244-7762; fax: (217) 333-1942

J. Manuf. Sci. Eng 127(1), 33-48 (Mar 21, 2005) (16 pages) doi:10.1115/1.1830492 History: Received February 21, 2003; Revised March 30, 2004; Online March 21, 2005
Copyright © 2005 by ASME
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Varying engagement arising with contour-parallel offsets 21
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Stability lobes for 100%, 50%, 25%, and 10% radial immersion 9
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Iterative improvement algorithm
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Cubic Bezier segment and corresponding control polygon
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Derivative vectors and notation for the interpolatory spline of Ref. 39
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Pixel-based engagement simulation
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Bitwise operations for engagement estimation
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Computational study of engagement simulation accuracy
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Simulation running times
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Identification of critical path segments for local simulation
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Computational performance of iterative improvement algorithm
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Search direction for control point updating
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Evolution of the toolpath geometry resulting from the iterative improvement algorithm
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Tool-path optimization results, spiral in versus spiral out
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Tool-path optimization results, high versus low engagement weight
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Engagement and curvature of metric-optimized toolpaths
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Histogram of the engagement distribution for the cases of Figs. 16 and 17




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