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Inductively hardened shafts

In March 2008, the medium-frequency inductive hardening plant was put into operation for surface-hardening bar steel and pipes. This process involves heating the bar skin using an induction coil followed by hardening via quenching in a cooling medium. After hardening, the bars are aligned and ground to the closest tolerances in accordance with the customer’s specifications. Inductive hardening permits surfaces which are essentially more resistant to wear. In the area of mechanical engineering, inductively hardened shafts are used as guide elements and piston rods. In machine components operating smoothly for several years, inductively hardened shafts are a guarantee for long service lives.

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