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TECHNICAL PAPERS

Accurate 5-Axis Machining of Twisted Ruled Surfaces

[+] Author and Article Information
Der Min Tsay, Ming Jane Her

Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan

J. Manuf. Sci. Eng 123(4), 731-738 (Apr 01, 2001) (8 pages) doi:10.1115/1.1402628 History: Received December 01, 1999; Revised April 01, 2001
Copyright © 2001 by ASME
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References

do Carmo, M. P., 1976, Differential Geometry of Curves and Surfaces, Prentice-Hall, Englewood Cliffs, New Jersey.
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Northern Research and Engineering Corporation, 1990, Max-5 User’s Guide, Woburn, Massachusetts.
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Figures

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Parametric representation of a ruled surface
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Twisted ruled surface and its normals
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Side view of a line element
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Schematic illustration of a cylindrical tool and undercutting
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Spatial relationship between a ruling and a tool axis
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Spatial relationship between a line element and a cutter
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βm and θ between a line element and a cutter
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Relationship between a line element and a raised cutter
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Undercutting for various βm(h=|rs|cos(βm/2))
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Undercutting improved by raising the tool (h=r)
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Undercutting for various tool sizes (βmm/2,h=r)
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Undercutting for different αmmm/2,h=r)
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Undercutting for various ruling lengths (βmm/2,h=r)
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Improved undercutting for various βm and h
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Flank milling for blade surfaces
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Improved surface accuracy by the proposed approach

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