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최진규(Jin Kyu Choi),남광식(Kwang Sik Nam),김재기(Jae Ki Kim),최호민(Ho Min Choi),염상훈(Sang Hoon Yeum),이석순(Seok Soon Lee) Korean Society for Precision Engineering 2016 한국정밀공학회지 Vol.33 No.5
High frequency induction heating (HFIH) is used in many industries and has a number of advantages, including reliability and repeatability. It is a non-contact method of providing energy-efficient heat in the minimum amount of time without using a flame. Recently, HFIH has been actively studied using the finite element method (FEM), however, these studies only focused on the accuracy of the analysis. In this paper, we can measure joule heat distributions by the electromagnetic analysis for HFIH and the temperature distribution from the heat transfer analysis by applying joule heat for a sprocket. The sprocket is heated over 850℃ due to joule heat and then cooled to under 200℃ by using cooling 20℃ water. These processes were used to calculate the FEM and then compared to our experimental results. The calculated outcome may be used to predict hardening depth in HFIH.