Abstract
A novel superconducting DC induction heater which can heat more than two aluminum billets at a time is proposed. The workpiece can rotate on its axis and move around the center cylinder of the iron core. In order to evaluate the effect of the movement speed and the rotation speed on the heating the aluminum billet, a 2D simulation model has been built by the finite element software. And the magnetic flux density distribution and the temperature distribution under different movement speed for different rotation speed has also been evaluated. Results show that the movement can improve the temperature uniformity of the aluminum billet at the cost of increasing the heating time. What is more, the new superconducting DC induction heating structure is feasible.
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