TPT January 2021

T E CHNOLOG Y

EFD Induction welder chosen by KS Roll Forming for unique profile welding line

KS ROLL Forming has chosen EFD Induction and EHE Consumables for its first HF welding line for special and complex profiles. EFD Induction’s track record were deciding factors when the Dutch company, KS Roll Forming, decided to invest in a Weldac system for its first high frequency welding line the company said. “EFD Induction is a specialist in induction welding and has up-to-date equipment that fits with our production process,” said general manager Dennis Matthijssen at KS Roll Forming. After careful consideration, KS Roll Forming chose a 350kW dual contact induction high frequency Weldac system. EHE Consumables, which offers the full turn-key solution for the high frequency scarfing and welding process, will supply the induction coils, impeders and OD scarfing tools for this system.

“The combination of punching possibilities, together with the HF welding, makes this line especially unique and capable of producing a wide range of profiles,” Mr Matthijssen explained. In designing the new line, KS Roll Forming was able to draw on their considerable roll forming experience while relying on EHE Consumables for the welding process applications support. Utilising two-piece flange mounted coils and return flow impeders, the first profiles were produced in a test run last year. Since then, KS Roll Forming have introduced more complicated profiles into the mill and have worked closely with EHE Consumables in doing some fine tuning of OD bead removal for specific products. EFD Induction www.efd-induction.com

The new welding line can produce profiles up to 160mm in height and 200mm in width, with a thickness up to 4mm, at a speed of 60m per minute. It has a pre-punch capacity 1600kN with 40 unique tools. KS Roll Forming chose a 350kW dual contact induction high frequency Weldac system

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JANUARY 2021