Automatic calibration of a scanner-based laser welding system (2009)
Stache, N.C., Stollenwerk, A., Gedicke, J., Olowinsky, A., Knepper, A., Aach, T.
In precision engineering scanners are widely used for laser beam positioning. Equipped with cameras, scanners enable process monitoring or even position recognition of the parts to be welded. To...
Various process monitoring approaches of transparent thermoplastics laser beam welding (2008)
Abels, P., Roesner, A., Kaierle, S., Mann, S., Olowinsky, A., Matsuo, N., ...
Main focus of this contribution is an investigation on process monitoring methods for transparent thermoplastic film laser beam welding. Target is to find feasible approaches to monitor and control...
Laserdurchstrahlschweißen von Thermoplasten: Ein Verfahren erobert den Kunststoffmarkt (2008)
Roesner, A., Boglea, A., Olowinsky, A.
Dank seiner Vorteile hat sich das Laserschweißen von Kunststoffen zu einem etablierten Fügeverfahren entwickelt und es ersetzt mehr und mehr die bisher üblichen Fügeverfahren. Neue Entwicklungen...
Absorber-free laser beam welding of transparent thermoplastics (2008)
Roesner, A., Abels, P., Olowinsky, A., Matsuo, N., Hino, A.
The laser welding of thermoplastics has been established in several industrial applications, but it has not yet been able to weld transparent thermoplastics without an IR-absorber. However, by the...
Weld depth control in fiber laser welding of thin metal sheets (2008)
Gedicke, J., Olowinsky, A., Jansen, U., Schulz, W., Gillner, A.
High speed video-based melt pool surveillance in laser spot welding (2008)
Stache, N.C., Dieckelmann, J., Firnich, R., Gedicke, J., Abels, P., Olowinsky, A., ...
Fine micro-welding of thin stainless steel sheet by high speed laser scanning (2008)
Okamoto, Y., Gillner, A., Olowinsky, A., Gedicke, J., Uno, Y.
Fraunhofer Institute for Laser Technology had developed the SHADOW (R) welding technique, in which high speed joining with minimal distortion is possible using a pulsed Nd:YAG laser. The possibility...
Neue Schweißtechnologien mit neuen Lasern (2007)
Albus, P., Boglea, A., Burbaum, B., Holtkamp, J., Kelbassa, I., Nazery-Goneghany, V., ...
Verfahren zum Fuegen von mindestens zwei Bauteilen mittels Laserstrahlung (2007)
Schulz, W., Olowinsky, A., Gedicke, J.
WO 2009021716 A1 UPAB: 20090311 NOVELTY - The method for joining two components of homogeneous and inhomogeneous metallic materials (100, 101) by laser radiation, comprises forming a welding seam...
Comparison of different process monitoring methods for laser beam micro welding (2006)
Gedicke, J., Regaard, B., Klages, K., Olowinsky, A., Kaierle, S.
Although laser beam welding is an established joining technology in the field of precision engineering, welding of copper materials is still a delicate issue. The fluctuating energy deposition...
Approaches for high-speed melt pool detection in laser welding applications (2006)
Stache, N.C., Zimmer, H., Gedicke, J., Regaard, B., Olowinsky, A., Knepper, A., ...
In this paper several approaches for the detection of the melt pool circle (i.e. its position and radius) in laser welding applications are described. Instead of indirectly examining the evolution of...
Wagner, F., Ramsayer, R., Hohenberger, B., Hilneder, S., Studt, A., Olowinsky, A., ...
Im Rahmen des vom Bundesministerium für Bildung und Forschung BMBF geförderten Forschungsvorhaben 'Optische Technologien zur Herstellung mikrotechnischer Produkte aus artungleichen Materialien...
Laser applications in microtechnology (2005)
Gillner, A., Holtkamp, J., Hartmann, C., Olowinsky, A., Gedicke, J., Klages, K., ...
The production and machining of micro parts were in the past mainly made by technologies developed from the electronic industry, which is particularly based on silicon etching technologies for the...
VERFAHREN ZUM LASERSTRAHLSCHWEISSEN (2004)
Olowinsky, A., Kramer, T., Gillner, A.
WO2003013779 A UPAB: 20030407 NOVELTY - The duration of a laser pulse and the relative speed of the laser pulse and a workpiece being welded determine the length of a welded seam on the workpiece. A...
Olowinsky, A., Witte, R., Gillner, A., Schildecker, A.
DE 10208781 A UPAB: 20031027 NOVELTY - Method has the following steps: measurement of laser beam intensity distributions in a number of planes perpendicular to the beam and at knows separations to...
Laser beam micro-welding of dissimilar metals (2003)
Klages, K., Gillner, A., Olowinsky, A., Fronczek, S., Studt, A.
The combination of dissimilar materials like brass and stainless steel is often needed in watch movements due to tribologic aspects. For mass production in automotive applications, a joining...
Henning, T., Bosse, L., Büchel, U., Olowinsky, A., Poprawe, R.
Faserlaser gewinnen aufgrund ihrer steigenden Ausgangsleistungen zunehmend an Bedeutung für die Mikrobearbeitung. Voraussetzung für den effektiven Einsatz eines Faserlasers ist allerdings ein...
Laser beam micro joining for electronics industry (2000)
Olowinsky, A., Legewie, F., Kramer, T., Bosse, L., Gillner, A., Poprawe, R.