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Theoretical and experimental analysis of hydropiercing
Volvo Car Corporation, Olofström, Sweden.ORCID iD: 0000-0001-8542-9006
Volvo Car Corporation, Olofström, Sweden.
Sapa Profiles.
Sapa Profiles.
2003 (English)In: SAE technical paper series, ISSN 0148-7191, 2884Article in journal (Refereed) Published
Abstract [en]

In this study, hydropiercing after hydroforming and prior to unloading was investigated. The primary purpose of this study was to investigate how the used hydropiercing method and the selected material and process parameters affect the hole quality. Hydropiercing inwards, hydropiercing by folding the ’scrap’ piece inwards and hydropiercing outwards were tested. The tube material was extruded AA6063-T4. The tube diameter and wall thickness were 107 mm and 2.5 mm respectively. Straight 1110-mm long tubes of this material were first hydroformed at 1300 bar and then hydropierced. Assuming that the largest (in magnitude) acceptable deflection at the hole edge is 0.2 mm, hydropiercing inwards at ≥ 1300 bar yield the best hole quality. However, the remaining scrap piece (in the tube) causes a handling problem that must be solved.

Place, publisher, year, edition, pages
Society of Automotive Engineers, 2003. 2884
Keyword [en]
Experimental analysis; Hole edge; Hole quality; Long tubes; Process parameters; Tube diameters; Wall thickness, Unloading, Tubes (components)
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:oru:diva-55293DOI: 10.4271/2003-01-2884Scopus ID: 2-s2.0-84881215336OAI: oai:DiVA.org:oru-55293DiVA: diva2:1071264
Available from: 2017-02-03 Created: 2017-02-03 Last updated: 2017-03-08Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
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  • 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
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Output format
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  • text
  • asciidoc
  • rtf