LASYS PREVIEW
BEAMING BACK TO STUTTGART
Industry gears up for the long-awaited return of LASYS, the international trade fair for laser materials processing
LASYS, the trade fair dedicated to laser materials processing, is set to return to Stuttgart from 21 to 23 June after a four-year absence from the exhibition halls of Messe Stuttgart, alongside the renowned Stuttgart Laser Technology Forum (SLT). The LASYS exhibition showcases
technologies serving the wide range of laser materials processing applications, including cutting, welding, drilling, cleaning, marking, additive manufacturing, micromachining, surface treatment and texturing. Trade visitors will primarily consist of decision-makers from the mechanical engineering, plant construction, automotive and optical industries, with the exhibited technologies also serving the aerospace, electronics, semiconductor, medical device manufacturing, metalworking, plastics, glass processing, toolmaking and mouldmaking industries. Gunnar Mey, department manager of
exhibitions & events at Messe Stuttgart, commented: ‘We are delighted to be back with LASYS after this long break and to build on what we achieved at the last event together with the industry. At the same time, we are continuing to develop LASYS so we can keep offering a platform for the latest trends and innovations in laser material processing.’ Thomas Fehn, chief sales and service
officer at Trumpf Laser Technology, an exhibitor at this year’s show, added: ‘In an economic region as strong as Stuttgart, LASYS is essential to enable us to get back to face-to-face communication and live machine demonstrations on site after two years of webinars and video conferences. And the focus on laser material processing in particular makes the trade fair especially attractive for us.’
Lasers in
Action Forum As well as the exhibition, the popular Lasers in Action Forum, hosted and programmed by Laser Systems Europe, will once again be taking place this year. The forum is open to all exhibition visitors, and through a range of engaging presentations will help deepen their understanding of laser technology and its many applications. Here we preview the range of topics set to be covered.
Efficient laser cutting and welding of sheet metal assemblies: flexible, modular, productive Andreas Scholz, area sales manager, Weil Technology
In the field of sheet metal processing and assemblies, production is currently characterised by different batch sizes and fluctuating order intakes. Our solution for more added value is called ‘Flexible Laser Solutions (FLS)’: variable system technology for efficient laser welding and cutting of sheet metal assemblies with individual concepts. You don’t go off-road with a sports car, do
you? So, how do you find out what’s best for your sheet metal assembly production? What are the influencing factors and what are good answers to that? How about quick and easy change-over times? How about autonomous production? How about bringing several processes into one machine? How about splitting complicated processes into simple, parallel working steps with a high output? Weil Technology welcomes you to find out in this presentation.
Customised laser micromachining processes for industrial production Thomas Gester, head of laser application and contract manufacturing, 3D-Micromac In the industrial manufacturing of electronic components, precision, machining quality,
10 LASER SYSTEMS EUROPE SUMMER 2022
throughput and cost are playing an important role. This presentation will give a brief overview of different case studies where laser micromachining achieves new dimensions in terms of precision, quality and process efficiency. Different laser applications and machining solutions for industrial production will be presented. One example application is the laser processing of metal foils, including cutting, drilling, and micro structuring. Further applications cover selective ablation, through glass vias (TGV), and the cutting of CFRPs.
Smart ultra-short pulse laser processing with rotating beam – laser micro drilling, cutting and turning Florian Lendner, CEO, GFH Current micro drilling, cutting and turning processes are mainly based on EDM, milling, stamping, honing or grinding. All these technologies are using a tool with a predefined geometry that is transferred to the workpiece. In contrast the laser is a highly flexible
tool, which can adapt its size very quickly and simply by the change of a software setting. Thanks to laser development efforts in recent years, stable ultrafast lasers with sufficient average power and high repetition rates have become industrially available. For using as many pulses as possible, cost- efficient production demands for innovative processes and machining setups with fast axes movement and special optics for beam manipulation. GFH has developed helical drilling optics,
which rotate the beam at up to 30,000 rpm in a very precise circle and allows the adjustment of the diameter and incidence angle. This enables the laser to be used for high precision drilling and cutting and also for micro turning processes.
Laser beam welding in a vacuum – industrial implementations of LaVa-welding Dr Benjamin Gerhards, product manager, LaVa-X Laser beam welding in a vacuum (LaVa) is a process modification of laser beam welding. It combines the vacuum technology normally used in electron beam welding with the established joining technology of laser beam welding. The process is usually used in a pressure range of 1 to 100hPa and is characterised by a very high weld seam quality as well as the avoidance of pores, spatters and oxidation. The weld seams produced with LaVa welding resemble electron beam weld seams in their formation. In addition, the ‘LaVa effect’ enables the penetration depth to be increased by up to 60 per cent compared to the conventional atmospheric process, without changing the process parameters. Conversely, the energy input into the workpiece can be significantly
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