INDUCTION HARDENING APPARATUS AND INDUCTION HARDENING METHOD

PROBLEM TO BE SOLVED: To provide an induction hardening apparatus and an induction hardening method for uniformly hardening a plurality of shaft-shaped workpieces at one time. SOLUTION: The induction hardening apparatus 1 includes: a workpiece holding plate 10 which is arranged so as to be rotated a...

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Bibliographische Detailangaben
Hauptverfasser:	HINO YOSHIMICHI, TOYOOKA TAKAAKI, MARUTA KEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an induction hardening apparatus and an induction hardening method for uniformly hardening a plurality of shaft-shaped workpieces at one time. SOLUTION: The induction hardening apparatus 1 includes: a workpiece holding plate 10 which is arranged so as to be rotated around the main axis 11 extending vertically and has a plurality of workpiece holding means 12 disposed on a concentric circle around the main axis 11; and a first rotating means 20 for rotating the workpiece holding plate 10, and is further equipped with: a high-frequency induction heating coil 3 which is arranged in an annular manner on the concentric circle around the main axis 11 outside the workpiece holding plate 10; a cooling means 4 arranged below the high-frequency induction heating coil 3; a moving means 21 for vertically moving the workpiece holding plate 10; and a second rotating means 30 for rotating a shaft-shaped workpiece B held by each workpiece holding means 20 around the axis. COPYRIGHT: (C)2008,JPO&INPIT