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FE Modeling of Cushion 3D Motion for Sheet Metal Forming Simulation
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Nowadays FE-simulations for sheet metal forming process are used to reduce the tryout phase in automotive industries. But the complex forming simulation processes are very challenging. One of the challenges is to create an FE-model which can be used to analyze the effects of cushion motion on the forming process. This thesis is focused on creating an FE model for two dies single cushion sheet metal forming press which can be used to analyze the effects of cushion motion on the contact pressure between the stamping tools and blanks. Using LS-PrePost a model with rigid stamping tools and cushion was created where the two blanks were of different thicknesses. After the model creation LS-DYNA was used for the simulations. The results showed that the cushion is moving in all DOFs and due to this movements, uneven contact pressure distribution is seen on the blanks and stamping tools.

Place, publisher, year, edition, pages
2019. , p. 61
Keywords [en]
Finite Element analysis, contact pressure, sheet metal forming, LS-DYNA.
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-18873OAI: oai:DiVA.org:bth-18873DiVA, id: diva2:1367952
External cooperation
Volvo Cars Body Components
Subject / course
MT2565 Master's Thesis in Mechanical Engineering - Structural Mechanics
Educational program
MTAMT Master of Science Programme in Mechanical Engineering with emphasis on Structural Mechanics
Presentation
(English)
Supervisors
Examiners
Available from: 2019-11-19 Created: 2019-11-05 Last updated: 2019-11-19Bibliographically approved

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FE Modeling(5587 kB)14 downloads
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf