Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

»We are bringing Additive Manufacturing to SMEs«

19.07.2017

From June 26 to 29, the laser community met again at the LASER World of PHOTONICS in Munich. The Fraunhofer Institute for Laser Technology ILT was there with more than 50 exhibits from the various fields of applied laser technology and beam-source development: This year the spectrum ranged from diode and fiber lasers to new measurement technology all the way to complete machines for additive processes or even laser systems for space.

The opening of the LASER fair is usually an occasion to draw attention to new trends. This year, Peter Leibinger of the TRUMPF Group spoke about opportunities offered by quantum technology for the laser sector.


In the case of the extreme high-speed Laser Material Deposition (EHLA), the powder is melted over the surface and then flows onto the workpiece surface.

Fraunhofer ILT, Aachen, Germany.

And while research programs from the Federal Ministries and the EU are still in the foreground, industrial applications are expected in two to three years. In addition to promising advances in communication technology, quantum measurement technology will also generate significant sales.

New platforms for lasers ready for use in space

High-precise laser-based measurement technology was one of the Highlights at the Fraunhofer ILT stand. A six-meter long Ariane 5 rocket model symbolized the MERLIN mission. The MERLIN (Methane Remote Sensing LIDAR mission) small satellite is to be transported into space in 2021 from Kourou, French Guiana, to map the methane in the Earth's atmosphere. The core of the satellite is a LIDAR system, which sends light pulses into the atmosphere and determines the methane concentration from the backscattered light.

The Fraunhofer ILT experts have been working with partners such as DLR, Airbus Defence and Space, TESAT Spacecom or ESA for years. With the new FutureLaser system FULAS, the Aachen-based researchers are thinking beyond individual projects: They have built up a whole technology platform.
Beside space-qualified components, an own construction technology has been developed and validated for FULAS. All the essential adjustment steps are carried out with manually guided robots in the Pick & Align process.

Laser coating will soon be 100 times faster

What do paper rollers, brake discs on a car and hydraulic cylinders have in common? They all have to be coated. Until now, this usually happens with hard chrome plating or thermal spraying.

A team of Fraunhofer ILT and RWTH Aachen University has developed an alternative laser process: Not only is the extreme high-speed Laser Material Deposition (EHLA) 100 to 250 times faster than conventional laser cladding, but it is also environmentally friendly and gentle on the health as it does not require chromium (VI).

The trick with EHLA is that the powder is melted before it hits the surface. The molten material bonds materially with the base material so it cannot flake off, in contrast to the hard chrome layer.

Shortly before the LASER fair, the EHLA procedure had been honored with the Joseph von Fraunhofer Prize. Now it is going into the implementation phase: A first large-scale plant is at IHC Vremac Cylinders B.V., in Apeldoorn in the Netherlands.

Andres Veldman, Manager Engineering at IHC, is delighted: “The process is significantly faster and achieves a significant higher quality than high-velocity oxygen fuel spraying, the so-called HVOF process. In addition, the cost of post-processing is much lower compared to all other technologies.”

Reducing the costs for Additive Manufacturing

Additive manufacturing processes, such as Laser Metal Deposition or 3D printing with metal powders, are already used on an industrial scale. However, not every potential user has orders that justify an investment in the high six-digit range.

Small companies have many ideas about what you can do with the technology. This is the starting point for a low-cost system from Aachen, with production costs many times lower than for conventional systems. “We want to bring Additive Manufacturing to SMEs”, explains Professor Johannes Henrich Schleifenbaum from the newly established chair Digital Additive Production DAP at the Faculty of Mechanical Engineering at RWTH Aachen University. “In addition to this, we can offer the necessary training.”

The training seminar at Fraunhofer ILT usually takes two to five days, then the device can be fully utilized with various metal powders. The four-axis system includes, in addition to a diode laser with 140 W power, a shielding gas device and an open-source control software.

The interest at the show was great: Both small machine and tool builders asked about it as did experienced users who wanted to qualify new materials using the low-cost system.

Summary

Thanks to more than 32,000 visitors and almost 1,300 exhibitors, the LASER World of PHOTONICS has set new records. The atmosphere at the fair was correspondingly positive, and the fair was a great success for the laser specialists of Fraunhofer ILT.

They were able to gain many new ideas and contacts thanks to their wide range of topics –from laser processing in lightweight construction to ultrashort pulse processes to process control and 3D bioprinting. With the latter process, for example, elastic support scaffolds for artificial blood vessels can be produced stereolithographically from new non-toxic photoresists.

The next Laser LASER World of PHOTONICS will take place from June 24 to 27, 2019.

Weitere Informationen:

http://s.fhg.de/7aL

Petra Nolis | Fraunhofer-Institut für Lasertechnik ILT

Further reports about: Fraunhofer-Institut ILT LASER World of PHOTONICS Laser Lasertechnik SMEs

More articles from Event News:

nachricht Leading experts in Diabetes, Metabolism and Biomedical Engineering discuss Precision Medicine
13.07.2018 | Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt

nachricht Conference on Laser Polishing – LaP: Fine Tuning for Surfaces
12.07.2018 | Fraunhofer-Institut für Lasertechnik ILT

All articles from Event News >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Future electronic components to be printed like newspapers

A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices.

The low-cost process, developed by Purdue University researchers, combines tools already used in industry for manufacturing metals on a large scale, but uses...

Im Focus: First evidence on the source of extragalactic particles

For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.

To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...

Im Focus: Magnetic vortices: Two independent magnetic skyrmion phases discovered in a single material

For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.

Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...

Im Focus: Breaking the bond: To take part or not?

Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.

A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...

Im Focus: New 2D Spectroscopy Methods

Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.

"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Leading experts in Diabetes, Metabolism and Biomedical Engineering discuss Precision Medicine

13.07.2018 | Event News

Conference on Laser Polishing – LaP: Fine Tuning for Surfaces

12.07.2018 | Event News

11th European Wood-based Panel Symposium 2018: Meeting point for the wood-based materials industry

03.07.2018 | Event News

 
Latest News

A smart safe rechargeable zinc ion battery based on sol-gel transition electrolytes

20.07.2018 | Power and Electrical Engineering

Reversing cause and effect is no trouble for quantum computers

20.07.2018 | Information Technology

Princeton-UPenn research team finds physics treasure hidden in a wallpaper pattern

20.07.2018 | Materials Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>