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TECHNICAL PAPERS

Boundary Conformed Toolpath Generation via Laplace Based Parametric Redistribution Method

[+] Author and Article Information
T. H. Oulee, Daniel C. H. Yang, J. J. Chuang

Mechanical and Aerospace Engineering Department, University of California, Los Angeles, Los Angeles, CA 90095

J. Manuf. Sci. Eng 126(2), 345-354 (Jul 08, 2004) (10 pages) doi:10.1115/1.1688373 History: Received September 01, 2002; Revised December 01, 2003; Online July 08, 2004
Copyright © 2004 by ASME
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References

Figures

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Isoparametric toolpath generation
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A Boolean model of complex shape, on which the boundary curves of a surface are irregular
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Procedures of boundary conformed toolpath generation
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-1 Examples of Coons parametrization method: (a) Simple bounded surface; (b) Complex bounded surface—Turtle shape; (c) Complex bounded surface—Puzzle shape. 4-2 Examples of Laplace parametrization method: (a) Simple bounded surface; (b) Complex bounded surface—Turtle shape; (c) Complex bounded surface—Puzzle shape
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Schematic of toolpath interval and scallop height
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Schematic of toolpath generation in parameter space
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Deficiencies on pure Laplace based method boundary conformed toolpaths (R=0.5 in,h=0.05 in)
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Illustration of the procedures of parametric redistribution method
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Examples of parametric redistribution method in simple bounded surface
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Examples of parametric redistribution method in complex bounded surface: (a) turtle shape; (b) star shape; (c) puzzle shape
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Boundary conformed toolpath generation on trimmed surface—a puzzle shape (R=1 in,h=0.05 in)
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Boundary conformed toolpath generation on trimmed surface—a turtle shape (R=1 in,h=0.05 in)
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Boundary conformed toolpaths generation on trimmed surface—a star shape (R=1 in,h=0.05 in)
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Boundary conformed toolpath generation on trimmed surface—a simple shape (R=1 in,h=0.05 in)

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