In this scanning induction hardening simulation, the steel shaft is heated by eddy currents, provided by a moving, two-turn copper coil. The surface of this 1055 steel shaft is austenitized to a predetermined depth. Closely following the heating coil, a water quench jacket (omitted for clarity) moves along the shaft, quenching the austenite material and providing a hard, martensitic case. The martensitic case depth is shown in the cutaway view of the shaft. With DEFORM™, analysis of coil design, applied power and induction frequency may be carried out to determine the optimum processing conditions for a given steel shaft application. In addition, the distortion or dilatation of the shaft can be predicted, and design modifications made, prior to production runs.


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