וובינר טכנולוגיות עיבוד חומרים בלייזר - ריתוך באמצעות לייזר

The Israeli Forum of Laser Materials Processing at the Architects and Engineers Association Israel (AEAI ) is kindly inviting you to participate in a webinar of two lectures on laser welding: The first talk will present laser beam shaping for a better welding performance, and in the following lecture a process simulation of laser welding will be presented and discussed.

Target audience will include engineers, technical managers / directors and influencers from advanced manufacturing companies and academia. Students and apprentices are also likely to benefit, as well as business and procurement managers who may be making decisions on adopting advanced manufacturing processes or building new / better products.

This webinar is endorsed by the European Materials Research Society (EMRS)

Jerusalem time – 10:00

10:00-10:50   Speaker: Dr. Peter Kallage, director of applications lab at Coherent , Hamburg, Germany

Talk topic: Dynamic beam shaping and forming technics for improved laser welding applications

Abstract: Many parts used in modern industrial products require minimized thermal input, spatter, cracking and porosity. Laser welding can be the right tool for these applications as the latest developments of beam handling and forming technics allow weld qualities which have not been possible before. The Coherent ARM laser brings all the cost, reliability and practical advantages of fiber laser to challenging welding tasks. Tests have proven that the dual-beam of the ARM Laser, with a high brightness center spot, can efficiently weld metals without the process instabilities that fiber lasers have. In addition the SmartWeld+ plays out its advantages in battery manufacturing, when welding dissimilar materials, improved blending of melt pool, reduced spatter, low viscosity and surface tension as well as the reduction of porosity and cracks can be achieved with this processing head utilizing the advantages of precise control of energy input per unit length over the weld pattern.

10:50- 11:30  Speaker:  Dipl.- Ing. Julian Litzkow, Engineer Business Development, Simufact Engineering GmbH, Tempowerkring 19, 21079 Hamburg, Germany

Talk topic: “Simulate reality – deliver certainty through the virtual weld”

Abstract: Welding is an essential component of industries such as the automotive industry, the construction industry and even the aviation industry. Although it is a widespread technology it is still characterized by lots of uncertainties. This still requires well experienced and highly skilled workforce to design and perform safe welding processes. The early knowledge of distortion and residual stresses is almost an issue which is influenced mainly by the welding parameters and the fixture design. But more and more engineers want to know as well final properties of the assembled components. With the beginning of the computer age in the 1970s and 1980s last century, the numerical prediction of manufacturing processes using FEM was gradually getting better and has established itself in the industry since the 1990s as a standard tool. Unlike in metal casting and forming industry, however, the everyday use of FEM- simulation tools for welding processes eked out a shadowy existence for a long time. This paper will give a short classification of welding simulation types and a structured overview on the technical questions. A selected case study of a laser welding process including a live demo of the modeling and post processing is chosen to show the benefits achieved through simulations with Simufact Welding. Finally an outlook on current state of art for the simulation of DED processes will be given.

11:30-12:00 Q&A

About the speakers:

Dr. Peter Kallage

Dr. Peter Kallage studied mechanical engineering at the University of Hanover, Germany, and took his first job in 2005 as a researcher at the Hanover Laser Center, specializing in the field of joining technology. In 2007, he was promoted to Division Manager and became head of the “Metal joining and cutting” Group. Since October 2011, Peter Kallage is responsible for the applications lab at Coherent in Hamburg.

Julian Litzkow

Dipl.- Ing. Julian Litzkow studies in mechanical engineering the University of Kassel. During his studies he started to work at the Simufact office in Kassel 14.5 years ago and get fascinated by metal forming simulation. After he graduates at the chair for metal forming technologies with a Diploma in Mechanical Engineering, Julian became a full member of the engineering team and earned experience in different fields through his work by providing support, training and working on service projects.

In 2017 he changed his position within Simufact and joined the technical sales support team as a supervisor in charge for China and Korea. During this time, he become an expert for simulation of welding processes with Simufact Welding.

Julian spend his leisure time in his small shop and build or fix some stuff. He also likes to spend quality time with his friends with gaming, barbeque or go fishing and enjoy nature.

Mechanical engineers, manufacturing engineers, welding engineers

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