The transistorised induction heating revolution was born to address the needs of one specific application: deckstraightening in the shipyards of Norway. It's an exciting story - one that underscores EFD Induction's background as an applications-driven pioneer.
In the mid-1970s, there were growing concerns in Norway over the health risks of flame-straightening in shipyards. An independent group with no bias toward any particular method was established to find a viable alternative.
After intensive work, the group concluded that induction heating was the best method. But the researchers were not satisfied with the induction generators then available. To start with, the generators were much too large to be of practical use in shipyards. They didn't operate at the right frequencies. And they were also potentially dangerous. The decision was made to conduct further research - and to develop solutions suited to the specific demands of deck straightening.
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