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Double sided irradiation for laser-assisted shearing of ultra high strength steels with process integrated hardening

 
: Brecher, C.; Emonts, M.; Eckert, M.; Weinbach, M.

:

Schmidt, F.:
Laser Assisted Net Shape Engineering 8 : International Conference on Photonic Technologies, Proceedings of the LANE 2014, September 08-11, 2014, Fürth, Germany
Amsterdam: Elsevier, 2014 (Physics Procedia 56.2014)
pp.1427-1435
International Conference on Laser Assisted Net Shape Engineering (LANE) <8, 2014, Fürth>
English
Conference Paper, Journal Article
Fraunhofer IPT ()

Abstract
Most small or medium sized parts produced in mass production are made by shearing and forming of sheet metal. This technology is cost effective, but the achievable quality and geometrical complexity are limited when working high and highest strength steel. Based on the requirements for widening the process limits of conventional sheet metal working the Fraunhofer IPT has developed the laser-assisted sheet metal working technology. With this enhancement it is possible to produce parts made of high and highest strength steel with outstanding quality, high complexity and low tool wear. Additionally laser hardening has been implemented to adjust the mechanical properties of metal parts within the process. Currently the process is limited to lower sheet thicknesses (<2 mm) to maintain short cycle times. To enable this process for larger geometries and higher sheet thicknesses the Fraunhofer IPT developed a system for double sided laser-assisted sheet metal working within progressive dies.

: http://publica.fraunhofer.de/documents/N-351157.html