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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Industry Canada, 1998, “Industry Overview Reports: SIC-E 3253—Motor Vehicle Stampings Industry,” Ottawa, Canada, November 22.
Cheok,  B. T., and Nee,  A. Y. C., 1998, “Configuration of Progressive Dies,” Artificial Intelligence for Engineering Design, Analysis and Manufacturing,12, pp. 405–418.
Cheok,  B. T., Foong,  K. Y., and Nee,  A. Y. C., 1996, “An Intelligent Planning Aid for the Design of Progressive Dies,” Proc. Inst. Mech. Eng., 210, Part B, pp. 25–35.
Choi,  J. C., Kim,  B. M., Cho,  H. Y., and Kim,  C., 1998, “A Compact and Practical CAD System for Blanking or Piercing of Irregular-Shaped Metal Products and Stator and Rotor Parts,” Int. J. Mach. Tools Manuf., 38, pp. 931–963.
Huang,  K., Ismail,  H. S., and Hon,  K. K. B., 1996, “Automated Design of Progressive Dies,” Proc. Inst. Mech. Eng., 210, Part B, pp. 367–376.
Ismail,  H. S., Chen,  S. T., and Hon,  K. K. B., 1996, “Feature-Based Design of Progressive Press Tools,” Int. J. Mach. Tools Manuf., 36, pp. 367–378.
Lin,  Z. C., and Hsu,  C. Y., 1996, “An Investigation of an Expert System for Shearing Cut Progressive Die Design,” International Journal of Advanced Manufacturing Technology,11, pp. 1–11.
Lu, W., Weidong, Z., and Lihua, T., 1993, “A CAD/CAM System for Multiple-Step Precision Progressive Dies,” Advanced Technology of Plasticity 1993—Proceedings of the Fourth International Conference on Technology of Plasticity, pp. 1710–1715.
Prasad,  Y. K. D. V., and Somasundaram,  S., 1992, “CADDS: An Automated Die Design System for Sheet-Metal Blanking,” Computing and Control Engineering Journal,3, July, pp. 185–191.
Singh,  R., and Sekhon,  G. S., 1998, “A Low-Cost Modeller for Two-Dimensional Metal Stamping Layouts,” J. Mater. Process. Technol., 84, pp. 79–89.
Adamowicz,  M., and Albano,  A., 1976, “Nesting Two-Dimensional Shapes in Rectangular Modules,” Computer Aided Design,8, pp. 27–33.
Nee,  A. Y. C., 1984, “Computer Aided Layout of Metal Stamping Blanks,” Proceedings of the Institution of Mechanical Engineers, Part B, 198, No. 10, pp. 187–194.
Martin,  R. R., and Stephenson,  P. C., 1988, “Putting Objects into Boxes,” Computer Aided Design,20, pp. 506–514.
Qu,  W., and Sanders,  J. L., 1987, “A Nesting Algorithm for Irregular Parts and Factors Affecting Trim Losses,” Int. J. Prod. Res., 25, pp. 381–397.
Chow,  W. W., 1979, “Nesting of a Single Shape on a Strip,” Int. J. Prod. Res., 17, pp. 305–322.
Dori,  D., and Ben Bassat,  M., 1984, “Efficient Nesting of Congruent Convex Figures,” Commun. ACM, 27, pp. 228–235.
Karoupi,  F., and Loftus,  M., 1991, “Accommodating Diverse Shapes within Hexagonal Pavers,” Int. J. Prod. Res., 29, pp. 1507–1519.
Nee,  A. Y. C., 1984, “A Heuristic Algorithm for Optimum Layout of Metal Stamping Blanks,” Annals of the CIRP,33, pp. 317–320.
Prasad,  Y. K. D. V., and Somasundaram,  S., 1991, “CASNS: An Algorithm for Nesting of Metal Stamping Blanks,” Computer Aided Engineering Journal,8, pp. 69–73.
Prasad,  Y. K. D. V., Somasundaram,  S., and Rao,  K. P., 1995, “A Sliding Algorithm for Optimal Nesting of Arbitrarily Shaped Sheet Metal Blanks,” Int. J. Prod. Res., 33, pp. 1505–1520.
Jain,  P., Feynes,  P., and Richter,  R., 1992, “Optimal Blank Nesting Using Simulated Annealing,” ASME J. Mech. Des., 114, pp. 160–165.
Theodoracates,  V. E., and Grimsley,  J. L., 1995, “The Optimal Packing of Arbitrarily-Shaped Polygons using Simulated Annealing and Polynomial-Time Cooling Schedules,” Comput. Methods Appl. Mech. Eng., 125, pp. 53–70.
Ismail,  H. S., and Hon,  K. K. B., 1992, “New Approaches for the Nesting of Two-Dimensional Shapes for Press Tool Design,” Int. J. Prod. Res., 30, pp. 825–837.
Joshi,  S., and Sudit,  M., 1994, “Procedures for Solving Single-Pass Strip Layout Problems,” IIE Transactions,26, pp. 27–37.
Nye,  T. J., 2000, “Stamping Strip Layout for Optimal Raw Material Utilization,” Journal of Manufacturing Systems , 19, No. 4, pp 239–248.
de Berg, M., Van Kreveld, M., Overmars, M., and Schwarzkopf, O., 1997, Computational Geometry: Algorithms and Applications, Springer, Berlin.
O’Rourke, J., 1994, Computational Geometry in C, Cambridge University Press, Cambridge.


Grahic Jump Location
Generation of Minkowski sum by vector sum of each point a in A and each point b in B
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Use of Minkowski sum in finding strip pitch and width
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Movement of event points with sweepline (shown as arrow) rotation
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An irregular blank (after 18, Fig. 6) “grown” by one-half the bridge width
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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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Adding bridge width around blanks for nesting




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