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Proceedings Paper

Extending the process limits of laser polymer welding with high-brilliance beam sources (recent status and prospects of POLYBRIGHT)
Author(s): A. Olowinsky; A. Boglea
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Paper Abstract

Plastics play an important role in almost every facet of our lives and constitute a wide variety of products, from everyday products such as food and beverage packaging, over furniture and building materials to high tech products in the automotive, electronics, aerospace, white goods, medical and other sectors [1]. The objective of PolyBright, the European Research project on laser polymer welding, is to provide high speed and flexible laser manufacturing technology and expand the limits of current plastic part assembly. New laser polymer joining processes for optimized thermal management in combination with adapted wavelengths will provide higher quality, high processing speed up to 1 m/s and robust manufacturing processes at lower costs. Key innovations of the PolyBright project are fibre lasers with high powers up to 500 W, high speed scanning and flexible beam manipulation systems for simultaneous welding and high-resolution welding, such as dynamic masks and multi kHz scanning heads. With this initial step, PolyBright will break new paths in processing of advanced plastic products overcoming the quality and speed limitations of conventional plastic part assembly. Completely new concepts for high speed processing, flexibility and quality need to be established in combination with high brilliance lasers and related equipment. PolyBright will thus open new markets for laser systems with a short term potential of over several 100 laser installations per year and a future much larger market share in the still growing plastic market. PolyBright will hence establish a comprehensive and sustainable development activity on new high brilliance lasers that will strengthen the laser system industry.

Paper Details

Date Published: 21 February 2011
PDF: 15 pages
Proc. SPIE 7921, Laser-based Micro- and Nanopackaging and Assembly V, 792107 (21 February 2011); doi: 10.1117/12.874554
Show Author Affiliations
A. Olowinsky, Fraunhofer-Institut für Lasertechnik (Germany)
A. Boglea, Fraunhofer-Institut für Lasertechnik (Germany)

Published in SPIE Proceedings Vol. 7921:
Laser-based Micro- and Nanopackaging and Assembly V
Wilhelm Pfleging; Yongfeng Lu; Kunihiko Washio, Editor(s)

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