Reality Report #5 EFD Induction • Västerås • Sweden Contour hardening of gears with EFD Induction’ s patented multi frequency concept. The surface of the gear is heated to 1000° C within a few seconds to achieve the correct hardening depth. EFD Induction – a passion for heat EFD Induction is a world-leading producer of industrial induction heaters—equipment that is customized for hardening, brazing, forging, tube welding or any other heat tre

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