INDUCTION HEATING DEVICE, INDUCTION HEATING EQUIPMENT, INDUCTION HEATING METHOD, AND HEAT TREATMENT METHOD

An induction heating device is provided. The induction heating device comprises a plurality of induction heating devices disposed at intervals along the circumference of a ring-shaped workpiece, a setting unit for setting induction heating conditions, and a switching control unit. Each of the plural...

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Bibliographische Detailangaben
Hauptverfasser: Nakatsu, Hitoshi, Misaka, Yoshitaka, Ishii, Tatsuya, Ogawa, Yasuharu, Tanaka, Yoshimasa, Sagae, Masaki, Yoshioka, Masato, Koyanagi, Kenji, Ito, Tsutomu
Format: Patent
Sprache:eng
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Zusammenfassung:An induction heating device is provided. The induction heating device comprises a plurality of induction heating devices disposed at intervals along the circumference of a ring-shaped workpiece, a setting unit for setting induction heating conditions, and a switching control unit. Each of the plurality of induction heating devices comprises heating coils disposed facing areas to be heated of the workpiece, a plurality of transformers connected to the heating coils in parallel, a plurality of matching units connected to any one of the plurality of transformers, an inverter unit having a rectifier unit and an inverter unit, an inverter control unit having a rectification control unit, and a group of switches.