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Numerical simulation of induction through heating for forging

Induction heating of the cylindrical billets is used in forging. The problem of heating such billets is that they are located at different distance and chamfered edge at their ends, which leads to overheating. To reach a uniform steady-state temperature distribution it is necessary optimisation of the configuration and electrical parameters of heater. Presented examples demonstrate the possibilities of the developed concepts and tools for applied optimization of industrial induction heating systems. Only numerical simulation allows reducing the extremely cost intensive way of experimental try and error. The paper presents a modelling concept of the coupled electromagnetic and thermal simulations, which are used for analysis and numerical optimization of the heating systems.