The laser seam welding of sheets of zinc-coated steel – a combination of metals with disparate melting and evaporation properties – used to be a major challenge for the automotive industry. But Volkswagen AG is pursuing a promising approach with multi-focal laser welding: A newly developed process enables significantly higher welding speeds than is otherwise possible with conventional mono-focal laser beam welding systems.
Part of a process which was regisrered as a patent!
After a development period of just three years, the process was registered for a patent. The development of this multi-focal laser welding process was significantly accelerated by the compact Ophir BeamWatch measuring device from MKS, which measures laser beams in real time without touching them.
Read or listen to the full case study here
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