Induction hardening is used to harden the surfaces of hardenable steel machine parts that are exposed to wear, surface pressure without changing their internal mechanical properties. During the process the surface to be hardened is heated to the hardening temperature with a frequency and power density that is preset to create the perfect hardening depth. Then the hardened layer is cooled with a medium that is appropriate for the material quality of the workpiece. The hardening is followed by tempering which can be performed in a furnace or by induction heating.

Characteristics of the technology:

• This technology gives a well-defined, reproducible result. It can be easily integrated into an automated production process, is energy efficient and environmentally friendly compared to traditional methods.
• The machine group used for induction hardening consists of an induction heating generator and a heat treatment machine, as well as an intelligent control unit that monitors and controls the operation and is adapted to the task.
• The frequency of the generators of the induction hardening machine group we produce can be adjusted in a wide range, so the hardening depth can also be modified within wide limits.
• Our application-specific heat treatment machines are suitable for hardening rotationally symmetrical, edge-like, flat plate parts in classic mechanical structure, or for hardening surfaces and spatial curves by moving the inductor with a robot.
• The intelligent control unit and feedback control circuits of our equipment ensure that the heating intensity and movement parameters are kept at precise values.
• Induction tempering can also be performed with our equipment in case of suitable inductor geometry.
• Our equipment is able to transmit the measured and set parameters of each hardening process for logging purposes with an autonomous measuring system, thus enabling the tracking of the hardened workpieces by serial number.