Shielding gas nozzle and light scannerFine grinding for laser powder cladding
The Fraunhofer IWS has developed Coaxshield, a local molten pool shield for laser powder deposition welding, and the LIsec analysis device, which can be used to monitor the powder flow in additive manufacturing processes, and will be exhibiting them at Formnext.
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The abbreviation LIsec stands for Light Section and already reveals the principle: a measuring laser shines through the powder flow after it exits the nozzle. © Fraunhofer IWS Dresden