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Integrated approach for prediction of stability limits for machining with large volumes of material removal
Luleå University of Technology, Department of Physics and Mechanical Engineering. (Division of Manufacturing Engineering)
Luleå University of Technology, Department of Physics and Mechanical Engineering.
Luleå University of Technology, Department of Physics and Mechanical Engineering. (Division of Manufacturing Engineering)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering and Sustainable Development.
2008 (English)In: International Journal of Production Research, ISSN 0020-7543, Vol. 46, no 12, 3207-3222 p.Article in journal (Refereed) Published
Abstract [en]
High-speed machining of thin-walled structures is widely used in the aeronautical industry. Higher spindle speed and machining feed rate, combined with a greater depth of cut, increases the removal rate and with it, productivity. The combination of higher spindle speed and depth of cut makes instabilities (chatter) a far more significant concern. Chatter causes reduced surface quality and accelerated tool wear. Since chatter is so prevalent, traditional cutting parameters and processes are frequently rendered ineffective and inaccurate. For the machine tool to reach its full utility, the chatter vibrations must be identified and avoided. In order to avoid chatter and implement optimum cutting parameters, the machine tool including all components and the work piece must be dynamically mapped to identify vibration characteristics. The aim of the presented work is to develop a model for the prediction of stability limits as a function of process parameters. The model consists of experimentally measured vibration properties of the spindle-tool, and finite element calculations of the work piece in (three) different stages of the process. Commercial software packages used for integration into the model prove to accomplish demands for functionality and performance. A reference geometry that is typical for an aircraft detail is used for evaluation of the prediction methodology. In order to validate the model, the stability limits predicted by the use of numerical simulation are compared with the results based on the experimental work.
Place, publisher, year, edition, pages
2008. Vol. 46, no 12, 3207-3222 p.
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:miun:diva-8125DOI: 10.1080/00207540601100924OAI: oai:DiVA.org:miun-8125DiVA: diva2:133299
Available from: 2009-01-08 Created: 2009-01-08 Last updated: 2009-01-11Bibliographically approved

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Bäckström, Mikael
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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