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TECHNICAL PAPERS

Stamping Blank Optimal Layout and Coil Slitting Widths for Single and Multiple Blanks

[+] Author and Article Information
T. J. Nye

Department of Mechanical Engineering, McMaster University, 1280 Main St. W., Hamilton, Ontario, Canada, L8S 4L7e-mail: nyet@mcmaster.ca

J. Eng. Mater. Technol 123(4), 482-488 (Jul 24, 2000) (7 pages) doi:10.1115/1.1395020 History: Received July 24, 2000
Copyright © 2001 by ASME
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References

Figures

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Required strip width (solid line) and possible material slitting widths (dotted lines)
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Example T-shaped blank (heavy line), its Minkowski sum (solid line) and the convex hull (dotted line)
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Required strip width (solid line) and possible material slitting widths (dotted lines) for T-shaped blank example
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Material utilization as a function of blank orientation
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Optimal blank layout on the strip
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Feasible locations for pilot hole centers (crosshatched regions)
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An irregular blank (after 18, Fig. 6) “grown” by one-half the bridge width
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Movement of event points with sweepline (shown as arrow) rotation
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Use of Minkowski sum in finding strip pitch and width
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Generation of Minkowski sum by vector sum of each point a in A and each point b in B
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Adding bridge width around blanks for nesting

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