Proposition of folding line processing by press method in origami forming

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  • TERADA Kosuke
    Department of Mechanical Engineering, School of Science and Engineering, Meisei University
  • HAGIWARA Ichiro
    Institute for Advanced Study of Mathematical Sciences, Meiji University

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Other Title
  • 折紙工法におけるプレスによる折線加工法の提案

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<p>Recently bent products are widely applied into various structures. Sharp bending method in bent products has an advantage of fine appearance. On the other hand, it is newly known that origami forming can be applied to freely manufacturing method as fine appearance based on complex folding lines. Sharp bending and origami forming have a common point to require folding lines. Folding lines are produced to make V-groove before bending. At the case V-groove cuttings are carried out for folding lines, it needs machining center plants and working times. So, it is not suitable for mass production. In this paper, we propose new convenient V-shaped punch tools for groove formation in sharp bending and origami forming. So, origami forming can be expected as press method by using V-shaped punch tools. Also this paper reports on the findings of deformation behavior and the mechanism obtained from experiments on groove formation. Some phenomena and necessary punch load in V-groove processing are considered to reveal the mechanism of groove formation based on FEM (Finite Element Method) results and experiments of groove formation by using V-shaped punch tools.</p>

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