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Hole-Making on a Bent Thick Plate

[+] Author Affiliations
Young-Il Kim

Hyowon System, Korea

Cha-Soo Jun

Gyeongsang National University, Gyeongsang, Korea

Paper No. DETC2005-84274, pp. 603-608; 6 pages
  • ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 31st Design Automation Conference, Parts A and B
  • Long Beach, California, USA, September 24–28, 2005
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4739-X | eISBN: 0-7918-3766-1
  • Copyright © 2005 by ASME


A method for cutting non-circular holes on a bent thick plate is proposed. Generally, in order to cut holes on large plates, a special-purpose 5-axis machine is needed. However, such a machine is unavailable in most machine shops. This paper provides a description of a method that utilizes a general-purpose 5-axis water-jet machine in place of the special-purpose machine: First, the bent piece is transformed into a flat plate, where the shape of the holes is reconstructed by considering deformation during bending. Then, after 5-axis NC data is generated, the holes on the flat plate are cut using the 5-axis water-jet machine. In the final step, the desired shape of the piece is obtained by bending the plate with its newly-cut holes. Some illustrations are provided in order to show the validity of the proposed method.

Copyright © 2005 by ASME



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