The TWIST® method enables the highest process speed, flexibility and strength for the laser welding of plastics
Bonding metal to plastic with a laser-structured metallic surface and subsequent extrusion. <br>Fraunhofer ILT. <br>
At Stand 4211 in Hall 4 of Fakuma (October 13 – 17, 2009, Messe Friedrichshafen), the Fraunhofer ILT will be presenting a novel, compact and industry-ready plant concept to laser weld plastics using fiber lasers.
Thanks to the TWIST® radiation concept, a quick, temporal and localized beam modulation forms the basis for this new laser method. Fraunhofer ILT's researchers in Aachen have developed and qualified TWIST® – “Transmission Welding by an Incremental Scanning Technique” – an innovative process to weld plastics.
When compared to standardized laser plastic welding plants, this new concept significantly reduces investment costs as well as plant size, and is nearly maintenance-free. Furthermore, the TWIST® plant concept is characterized by its higher process speed and flexibility when structuring welding contours, as compared to conventional joining methods. Hence, it is particularly suitable for small and medium series, which require quick retooling. By using new wave lengths in combination with the TWIST® concept, operators are now able to weld transparent components together without an infrared absorber and at high speeds.
To bond metal with commercially available plastics, the Fraunhofer ILT has developed a laser-supported joining process that can dispense with using additional material. A suitable structuring of the metal's surface at high speed allows form fit joints to be attained above the bonds with high strength.
Contact person at the Fraunhofer ILT
Our experts would be glad to answer any questions you may have:
Dipl.-Ing. Andrei Lucian Boglea
Department of Micro Technology
Telephone +49 241 8906-217
andrei.boglea@ilt.fraunhofer.de
Dipl.-Ing. Andreas Roesner
Department of Micro Technology
Telephone +49 241 8906-158
andreas.roesner@ilt.fraunhofer.de
Dr.-Ing. Arnold Gillner
Head of the Department of Micro Technology
Telephone +49 241 8906-148
arnold.gillner@ilt.fraunhofer.de
Fraunhofer Institute for Laser Technology ILT
Steinbachstraße 15
52074 Aachen
Telephone +49 241 8906-0
Fax. +49 241 8906-121
Media Contact
All latest news from the category: Process Engineering
This special field revolves around processes for modifying material properties (milling, cooling), composition (filtration, distillation) and type (oxidation, hydration).
Valuable information is available on a broad range of technologies including material separation, laser processes, measuring techniques and robot engineering in addition to testing methods and coating and materials analysis processes.
Newest articles
High-energy-density aqueous battery based on halogen multi-electron transfer
Traditional non-aqueous lithium-ion batteries have a high energy density, but their safety is compromised due to the flammable organic electrolytes they utilize. Aqueous batteries use water as the solvent for…
First-ever combined heart pump and pig kidney transplant
…gives new hope to patient with terminal illness. Surgeons at NYU Langone Health performed the first-ever combined mechanical heart pump and gene-edited pig kidney transplant surgery in a 54-year-old woman…
Biophysics: Testing how well biomarkers work
LMU researchers have developed a method to determine how reliably target proteins can be labeled using super-resolution fluorescence microscopy. Modern microscopy techniques make it possible to examine the inner workings…
