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A Numerical Study of Local Elastic Tool Deformation in Sheet Metal Forming Simulation
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)ORCID iD: 0000-0002-5824-7474
RISE Research Institutes of Sweden, Department of Manufacturing Processes, Mölndal (SWE).
2022 (English)In: NUMISHEET 2022: Proceedings of the 12th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes / [ed] Inal, K., Levesque, J., Worswick, M., Butcher, C. (eds), Springer Science+Business Media B.V., 2022, p. 645-653Conference paper, Published paper (Refereed)
Abstract [en]

Dies in sheet metal forming simulation are commonly modeled as rigid, although they are elastic. The influence of elastic response in the dies can be split into two types, global and local deformation. Local deformation occurs where large pressure in the tool prevails typically in the die radii. A numerical study on local elastic tool deformation was performed. Three different blank materials and three tool materials were used. The geometry was from the FTF 2015 conference, triangle die. The blank was modeled with the same material model, and a simple failure criterion as a reference marker was introduced. An important result from the study was: The draw depth difference for the chosen evaluating condition between rigid tools and elastic tools was in the region 5–12.5% deeper using elastic tools.  

Place, publisher, year, edition, pages
Springer Science+Business Media B.V., 2022. p. 645-653
Keywords [en]
Deformation; Dies; Metal forming; Sheet metal; Blank material; Die radius; Elastic response; Elastic tool; Finite element analyse; Forming simulations; Global deformations; Local deformations; Sheet metal forming; Sheet metal forming simulation; Finite element method
National Category
Manufacturing, Surface and Joining Technology
Research subject
Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-19175DOI: 10.1007/978-3-031-06212-4_59Scopus ID: 2-s2.0-85134325323ISBN: 978-3-031-06211-7 (print)ISBN: 978-3-031-06212-4 (electronic)OAI: oai:DiVA.org:hv-19175DiVA, id: diva2:1714923
Conference
12th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes
Available from: 2022-11-30 Created: 2022-11-30 Last updated: 2022-12-08Bibliographically approved

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Larsson, Mats

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