Induction heating is a process where steel is hardened or annealed by heating, followed by quenching. It is an electromagnetic process using a copper inductor coil, which is fed a current at a specific frequency and power level.
Why Use Induction Hardening? Induction Hardening has many benefits such as:
Localized Hardening. Case hardening places a hard case around the entire surface of the part while induction hardening hardens only the precise pattern defined by the inductor coil. The components in the photo have been cut and etched to show the induction hardened pattern.
Depth of hardness is easily controlled. With this computer-controlled process, the depth of hardness is uniform and easy to control and replicate.
Materials costs is reduced.
Minimizes distortion.
Advantages
Inductors can be mounted to a line for increased throughput.
Fewer processes are needed. No stop-off paints or copper-plating operations needed.
No required preheating allows for quicker startup.
No harmful emissions, noise, or environmental concerns.
Induction heaters cause minimal distortion of parts.
Efficient equipment. Utility costs are reduced.
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