At the workshop on "Laser Processing of Glass Materials" held at the Laser Zentrum Hannover e.V. (LZH) on December 06th, 2016, the focus was on the latest developments and trends. Considerable progress in process technology and automatability has opened up many new perspectives - both technically and economically. More than 70 manufacturers, users and scientists saw this for themselves during the event that was organized in cooperation with the Bayerisches Laserzentrum GmbH (blz).
Today, laser-based glass processing is state-of-the-art in many industrial sectors. But still this technology field is highly dynamic. Innovative process technology and systems are providing further important improvements in the processing of thin, flat and tubed glass for the future.
Processing results can now be predicted more and more accurately by numerical simulation.
"The models have reached such a high degree of maturity that the simulations are very close to reality," said Prof. Jörg Hildebrand of the Technical University of Ilmenau. In addition, the correlation between the wavelength and welding seam quality has been demonstrated for ultrashort pulse laser welding (USP) welding. And in the field of separation processes, hybrid approaches with laser and plasma radiation have proved to be a promising topic for the future.
Major step forward in thin glass drilling
In order to optimize the laser drilling of thin glass, the team of Philipp von Witzendorff, Head of the Glass Group at the LZH, has developed a novel drilling strategy: "Our goal was to avoid edge chippings completely - and we have succeeded. We combine single pulses with different pulse durations.”
Lower unit costs with laser technology
Then the focus was on economic considerations. „Commercially available laser systems for glass cutting have not only quality advantages compared with mechanical processes. They also offer significant increases in productivity due to fewer process steps”, explained Christian Meyer from Coherent (Deutschland) GmbH. Even when compared with the water jet, the laser is one step ahead: Up to 4 mm thick glass can be laser-drilled for 3 cents cheaper.
The combination of lasers and robots also enables fully automated processes – with high process reliability and without tool wear. Jörg Zander from Aachen Quartz-Glas Technologie Heinrich confirmed that the increasing automation and the use of lasers in the manufacturing of complex hollow glasses has economically strengthened companies. He has implemented the results of a project with the LZH concerning the automation of a manual process in a medium-sized enterprise. As a result, the company can now keep up with their Asian competitors.
Valuable impulses for many industrial sectors
"The innovations and further developments in laser-based glass processing presented today provide valuable impulses for chemical process equipment, telecommunications and many other industries," concluded Dr. Oliver Suttmann, Head of the Production and Systems Department at the LZH.
Dr. Nadine Tinne | Laser Zentrum Hannover e.V.
Novel sensors could enable smarter textiles
17.08.2018 | University of Delaware
Quantum material is promising 'ion conductor' for research, new technologies
17.08.2018 | Purdue University
There are currently great hopes for solid-state batteries. They contain no liquid parts that could leak or catch fire. For this reason, they do not require cooling and are considered to be much safer, more reliable, and longer lasting than traditional lithium-ion batteries. Jülich scientists have now introduced a new concept that allows currents up to ten times greater during charging and discharging than previously described in the literature. The improvement was achieved by a “clever” choice of materials with a focus on consistently good compatibility. All components were made from phosphate compounds, which are well matched both chemically and mechanically.
The low current is considered one of the biggest hurdles in the development of solid-state batteries. It is the reason why the batteries take a relatively long...
New design tool automatically creates nanostructure 3D-print templates for user-given colors
Scientists present work at prestigious SIGGRAPH conference
Most of the objects we see are colored by pigments, but using pigments has disadvantages: such colors can fade, industrial pigments are often toxic, and...
Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as "whistlers" -- very low frequency packets...
Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.
When engineers or designers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model...
Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
Global demand for electric vehicles is forecast to rise sharply: by 2025, the number of new vehicle registrations is expected to reach 25 million per year....
17.08.2018 | Event News
08.08.2018 | Event News
27.07.2018 | Event News
20.08.2018 | Information Technology
20.08.2018 | Life Sciences
20.08.2018 | Information Technology