Press Releases

Fraunhofer IWS

Lasers make the lotus effect on aircraft

8.8.2018

© Fraunhofer IWS

Filigree engravings on external surfaces of aircraft are intended to ensure that airflow remains smooth and drag on the aircraft low. For this, engineers at the Fraunhofer Institute for Material and Beam Technology IWS, the Technische Universität Dresden and Airbus have developed a laser process that produces textured surfaces at high throughput making surface contamination more difficult.

For more information, please visit the IWS website
Lasers make the lotus effect on aircraft

Fraunhofer ILT

Surface Finishing at High Speed

7.8.2018

© Fraunhofer ILT

High precision and high quality, but too slow – this is how most laser processes for surface finishing can be described. In the EU research project ultraSURFACE, the Fraunhofer Institute for Laser Technology ILT in Aachen, together with nine international partners, is developing two new optics by the end of 2018. With them, the laser beam shape can be specifically and quickly adapted to constantly changing processing situations. In the near future, lasers will be able to polish, coat or structure surfaces up to ten times faster than before thanks to this tuning.

For more information, please visit the ILT Website
Surface Finishing at High Speed

Fraunhofer ILT, Fraunhofer IPT

3D-Printing: Support structures to prevent vibrations in post-processing operations for thin-walled parts

16.7.2018

© Fraunhofer IPT

One of the main features of additive manufacturing processes such as 3D-printing is that the complexity of the component shapes it produces, is virtually unlimited. However, high surface quality in metallic components can frequently be achieved only via milling or grinding finishing operations. Milling operations conducted on thin-walled parts in particular often cause vibrations which impact negatively on part accuracy and on machining time.

For more information, please visit the ILT website
3D-Printing: Support structures to prevent vibrations in post-processing operations for thin-walled parts

Fraunhofer ILT

More functionalities: Microstructuring large surfaces with a UV-laser system

5.7.2018

© Coherent, Inc.

Coherent operates a high-performance excimer laser system for processing large surfaces in partnership with the Fraunhofer Institute for Laser Technology ILT in Aachen, Germany. Using the short-wave laser system, the partners aim to develop new methods for carefully controlled surface processing. Preparation of CFRP adhesive surfaces is just one example of the numerous potential applications.

For more information, please visit the ILT website
More functionalities: Microstructuring large surfaces with a UV-laser system

Fraunhofer ICT

Rapid spectroscopic process analysis for the develop-ment and control of flexible production processes

7.6.2018

© Fraunhofer ICT

Global competition in the chemical industry, with increasingly dynamic markets and product cycles, requires shorter process development times and flexible and efficient production processes. By combining micro chemical engineering and spectroscopic process analysis in different spectral ranges, the time-to-market can be shortened, and an extremely fast and systematic screening of a variety of process conditions can be achieved.

For more information, please visit the ICT website
Rapid spectroscopic process analysis for the develop-ment and control of flexible production processes

Fraunhofer ICT

Faster time-to-market: Reaction calorimetry in microreactors

7.6.2018

© Fraunhofer ICT

At Achema 2018, which will be held from June 11th - 15th in Frankfurt, the Fraunhofer Institute for Chemical Technology will demonstrate the latest gen-eration of continuous reaction calorimeters. These permit rapid screening of thermokinetic data, making kinetic constants and safety-relevant data available in the early stages of process development.

For more information, please visit the ICT website
Faster time-to-market: Reaction calorimetry in microreactors

Fraunhofer IWS

With low pressure to the lightweight aircraft

23.4.2018

© Fraunhofer IWS

Engineers at the Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS in Dresden have developed an innovative process in cooperation with industrial partners to weld and form modern lightweight parts for aircraft. They present this technology at the International Aerospace Exhibition ILA in Berlin from 25 to 29 April 2018.

For more information please visit the IWS website
With low pressure to the lightweight aircraft

 

Fraunhofer IWS

Coaxial wire cladding in the next generation

17.4.2018

© Fraunhofer IWS

The next generation‘s laser wire processing optics "COAXwire" is in the starting blocks. At the Hannover Messe and the ILA Berlin, the Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS Dresden presents two versions of its coaxial wire optics. A completely newly developed miniaturized version enables high-precision processing of complex components with fine wire. In a macro version, the head can be equipped with a hot-wire module.

For more information please visit the IWS website
-> Coaxial wire cladding in the next generation

Fraunhofer ILT

Fast and Ultra-precise: Processing Optics with LBF

12.4.2018

© Fraunhofer ILT

After having developed laser polishing, the Fraunhofer Institute for Laser Technology ILT in Aachen has now also developed an ablative process for the ultra-precise machining of optics. Laser Beam Figuring (LBF) enables an ablation of less than 5 nm. For the first time, a complete process chain for the laser-based optics production has been made possible.

For more information please visit the ILT website
-> Fast and Ultra-precise: Processing Optics with LBF

Fraunhofer ILT

Optimized Powder Jet Perfects Laser Material Deposition

11.4.2018

© Fraunhofer ILT

The Fraunhofer Institute for Laser Technology ILT has developed an inline system for testing, qualifying and adjusting the focused powder jet of the nozzles of laser metal deposition machines. With this system, nozzles can be certified and the caustic characterized completely. The user can also visualize and monitor the process thanks to the camera module with integrated illumination.

For more information please visit the ILT website
-> Optimized Powder Jet Perfects Laser Material Deposition

Fraunhofer ILT

New Process for Marker-free Cell Selection

6.3.2018

© Fraunhofer ILT

At this year’s analytica trade fair in Munich, three Fraunhofer Institutes will be presenting a project from pre-competitive research. Biologists, computer scientists and laser experts have developed a process to analyze and select cells and then examine their protein production. In pharmaceutical research, this will make it possible to develop active ingredients much faster than before.

For more information please visit the ILT website

New Process for Marker-free Cell Selection

Fraunhofer IWS

Bonding without adhesive

20.2.2018

© Fraunhofer IWS

The Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS Dresden has developed a new process for joining materials with different properties. Thermal direct joining presses laser-structured metal with thermoplastic components and heats them locally. This causes the thermoplastic to melt, to penetrate into the structures and to adhere to the surface. A specially developed joining gun generates robust connections within seconds. The "HeatPressCool-Integrative" (HPCI) process is highly suitable for replacing complex adhesive processes.

For more information please visit the IWS website
-> Bonding without adhesive