The American Lincoln Electric, which claims to be the world market leader in welding production, combines a higher-priced Cobot with an open welding cell. Fab-Pak® is apparently not available in Germany. The welding cell nevertheless has two workstations, so that a workpiece can always be fixed or removed and automatically welded at the same time. In addition, an extraction system is included. A FANUC CR-7iA is used. This is known to weigh more than typical cobots, so the station trolley is not likely to be moved quite so easily. Presumably for this reason, a lightweight FANUC CRX 10iA is also available.
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The author of this blog is significantly involved in the AI/ robotics project Boost-Bot. He advises robotics companies and investors on market (entry)/business development and funding/subsidies. The standard book on cobots is also written by Guido Bruch. More about him can be found here.