Analysis of the laser-heating methods for micro-parts stamping applications

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20 Citations (Scopus)

Abstract

Engineering applications of laser heating to the forming of sheet metal components can be limited by the achievable heating-rates and its effects on the product-quality. Process design, therefore, needs to be carefully planned with reference to heating locations and power inputs, as well as the tool configuration. Laser-heating assisted micro-stamping is a field that has not been exploited sufficiently. Research, which was effected by combining FE simulation with experiments, was conducted to study this process, particularly to examine different heating-schemes, with engineering applications in mind. The results show that a desired temperature distribution is achievable for both copper- and steel-type materials, if a high-powered laser beam is used. The use of a low-powered laser beam, however, is unable to produce a heating-rate which can match that of a normally required production rate. The introduction of laser heating would enable the reduction of the stamping-force requirements and increase of the aspect ratios achievable with stamping, if the process is properly designed, such as using a tubular stamping tool
Original languageEnglish
Pages (from-to)84-91
Number of pages8
JournalJournal of Materials Processing Technology
Volume150
Issue number1-2
Early online date5 Mar 2004
DOIs
Publication statusPublished - 1 Jul 2004

Keywords

  • micro-forming
  • stamping
  • laser heating
  • FE simulation
  • sheet metal

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