The latest in-mold technology: Hot gas welding from Engel


The latest in a long list of processing technologies from the Austria-based, globally operating injection molding and automation supplier Engel creates yet another acronym starting with IM for in-mold: Now there's "IMW" for in-mold welding.

Working with collaborators Hummel-Formen and KVT Bielefeld, Engel has a patent pending for what it has named joinmelt: hot gas welding inside the mold, which moves yet another traditional downstream, post-mold process back upstream into the tool.

The joinmelt technology, says Engel, promises considerable savings, especially in the automotive industry. "This removes the need for additional welding equipment. Part take-off and re-insertion are no longer needed, as the finished product can simply be taken off directly out of the mold." says Franz Füreder, head of Engel's Automotive Business Unit....
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