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Cutting AHSS materials in the non normal direction of the sheet material
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
2008 (English)In: Proceedings of 2nd Swedish Production Symposium, 2008, 77-83 p.Conference paper, Published paper (Refereed)
Abstract [en]

The properties of cutting AHSS (Advance High Strength Steel) materials in the non normal direction of the sheet material are investigated both trough semi industrial testing and FE simulations. Cutting angles of 25°, 35°, 45° and 60° with a clearance of 4%, 8%, 12% and 16% are evaluated. Cast iron to wrought steel are tested against sheet materials ranging from HSS (High Strength Steel) to UHSS (Ultra High strength steel). Two versions of the geometry on the lower cutting edge have been tested, a traditional geometry and a 1,5mm shelf geometry. Side force measurements indicate that for the traditional cutting edge geometry on the lower die, the side force increases with an increased angle. For the shelf geometry this side force is reduced, especially for the higher angles. Simulated results correlate well to the test results. The shelf geometry also reduces the sharpness off the cut edge profile compared to the traditional geometry. During a few tests, fracture wear and chipping occurred on the upper cutting edge, successful actions were made to decrease the risk for fracture wear.

Place, publisher, year, edition, pages
2008. 77-83 p.
National Category
Engineering and Technology
Research subject
SRA - Production
Identifiers
URN: urn:nbn:se:kth:diva-51225OAI: oai:DiVA.org:kth-51225DiVA: diva2:463616
Conference
Swedish production symposium 2008. Stockholm, SWE. 18-20 Nov 2008
Funder
XPRES - Initiative for excellence in production research
Note
QC 20111213Available from: 2011-12-09 Created: 2011-12-09 Last updated: 2011-12-13Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
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More styles
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  • de-DE
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  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf