Friction in sheet metal forming: A Comparison between milled and manually polished surfaces

D. Wiklund, M. Liljebgren, J. Berglund, Niels Bay, K. Kjellsson, B.-G. Rosén

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

The evolvement of product requirements in the automotive industry, e.g. reduced weight, means that the use of advanced high strength steels (HSS, EHSS,UHSS) in automotive applications is continuously increasing. The introduction of high strength steels in production implies increased tool wear and calls for functional tool surfaces that are durable in these severe tribological conditions. In this study the influence of tool surface topography on friction has been investigated. The frictional response was studied in a Bending Under Tension test. The results did show that a low frictional response was generated by low slope of roughness profiles combined with a strong anisotropy applied perpendicularly to the sliding direction. An improved machining strategy has a high potential to significantly reduce the need for manually polished surfaces.
Original languageEnglish
Title of host publicationICTMP 2010
Number of pages917
Volume2
Publication date2010
Pages613-622
ISBN (Print)978-2-911256-27-1
Publication statusPublished - 2010
Event4th International Conference on Tribology in Manufacturing Processes - Nice, France
Duration: 13 Jun 201015 Jun 2010
Conference number: 4
http://www.ictmp2010.net/

Conference

Conference4th International Conference on Tribology in Manufacturing Processes
Number4
CountryFrance
CityNice
Period13/06/201015/06/2010
Internet address

Keywords

  • Friction model
  • Sheet metal forming
  • Die surface topography
  • Finish milling

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