CAE System Section, Research and Development Center, NETUREN CO,.LTD.
When large metal parts of construction equipment and machine tools are hardened by induction hardening, it is necessary to prolonged heating for a few minutes to ensure the depth of the hardened layer. In this case, the relative position of the workpiece and the heating coil is changed in mm by internal temperature increase of the workpiece during heating process, and also the distributed heat generation of the workpiece is changed greatly. In this study, a computer simulation was applied to the induction heating test of the large ring specimens, and we investigated the need for considering the thermal deformation of large metal parts in an induction heating simulation.
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