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A study on thick plate forming using flexible forming process and its application to a simply curved plate

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Abstract

In this study, design and fabrication of a flexible forming machine are carried out for the purpose of manufacturing a prototype of curved plate block for hull structure used in shipbuilding industry. Flexible forming dies which consist of numbers of punches in an array form for upper and lower sides are designed in view of thick plate forming. A punch has formation of male and female screws to adjust its length with regard to a given surface, and all punches are supported by each other in punch housing. Software for process configuration and punch control are developed to operate the novel flexible forming machine. The software are composed of the punch height calculation part which uses an offset surface scheme. Prior to manufacturing of a prototype, numerical simulations for a saddle-typed thick plate forming process including metal forming and spring-back analyses are carried out to predict the forming performance. Experiments are also carried out to validate and confirm the feasibility of flexible forming technology in view of practical application of thick plate forming process. Curvature radii observed in the simulation and experiment are investigated and compared. Consequently, development and practical application of flexible forming technology to the thick plate forming process are described from design of the forming machine to manufacturing of the prototype. It is confirmed that the flexible forming technology suggested in this study has enough feasibility in new application of thick plate forming in shipbuilding structures which has been formed through expensive and laborious conventional line heating.

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Authors and Affiliations

  1. Department of Aerospace Engineering, Pusan National University, Geumjeong-gu, Busan, 609-735, S. Korea

    Seong-Chan Heo, Young-Ho Seo, Tae-Wan Ku & Beom-Soo Kang

Authors
  1. Seong-Chan Heo
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  2. Young-Ho Seo
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  3. Tae-Wan Ku
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  4. Beom-Soo Kang
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Corresponding author

Correspondence to Beom-Soo Kang.

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Heo, SC., Seo, YH., Ku, TW. et al. A study on thick plate forming using flexible forming process and its application to a simply curved plate. Int J Adv Manuf Technol 51, 103–115 (2010). https://doi.org/10.1007/s00170-010-2615-5

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  • DOI: https://doi.org/10.1007/s00170-010-2615-5

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