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TECHNICAL PAPERS

A Stability Solution for the Axial Contour-Turning Process

[+] Author and Article Information
Rohit G. Reddy, O. Burak Ozdoganlar, Shiv G. Kapoor, Richard E. DeVor, Xinyu Liu

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801-2906

J. Manuf. Sci. Eng 124(3), 581-587 (Jul 11, 2002) (7 pages) doi:10.1115/1.1480415 History: Received October 01, 2000; Revised October 01, 2001; Online July 11, 2002
Copyright © 2002 by ASME
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References

Figures

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A schematic of axial contour turning process
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Equivalent triangular chip for stability analysis
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Dynamic chip-area variations in the equivalent chip
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(a) Tool-fixture and workpiece for the contour turning stability experiments, and (b) a schematic of the workpiece with concave-convex contours
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Variation of critical depth of cut versus spindle speed at various tool locations
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Variation of critical depth of cut versus tool path in axial contour turning
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Stability limit in spindle speed versus tool path plane for d=1 mm and d=0.5 mm with ft=0.1 mm/rev and ρ=30degrees
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Resultant force data along the cut while machining at (a) 3200 rpm and (b) 5000 rpm
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Experimental and simulated stability data for machining with ρ=30 deg at (a) 2350 rpm, (b) 3200 rpm, (c) 3900 rpm, and (d) 5000 rpm
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Stability limit diagrams in the spindle speed versus tool path plane for (a) ρ=0deg. and d=0.5 mm depth of cut (b) ρ=90deg and d=2.5 mm depth of cut
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Stability of the automotive wheel for dr=0.5 mm and dr=1.5 mm with ft=0.3 mm per rev
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Variation of critical speed vs. tool path and the spindle speed selection schemes
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The cross-section of an automotive wheel—rim portion
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Experimental and simulated stability data for machining with ρ=0 deg at (a) 6000 rpm and (b) 4000 rpm
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Tool path for the rim portion of the wheel under consideration
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Stability of the automotive wheel in the radial depth of cut versus spindle speed plane at 25 mm and 33 mm axial (tool path) distances
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Experimental and simulated stability data for machining with ρ=90 deg. (minimum stability at toolpath location of 92 deg)

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