PRODUCTION METHOD OF STABILIZER, AND HEATER

PROBLEM TO BE SOLVED: To provide a production method of a stabilizer, and a heater, in which, even when a cross section change hollow material is used as a raw material, the whole of the hollow material is easy to be uniformly heated to a temperature necessary to perform heat treatment.SOLUTION: In...

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Bibliographische Detailangaben
Hauptverfasser:	KURODA SHIGERU, OMURA SHUJI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS VEHICLE SUSPENSION ARRANGEMENTS VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a production method of a stabilizer, and a heater, in which, even when a cross section change hollow material is used as a raw material, the whole of the hollow material is easy to be uniformly heated to a temperature necessary to perform heat treatment.SOLUTION: In a preliminary heat process, electric heating is performed between electrodes 211A, 211B disposed at cross section change parts 114A, 115A of both endpoint parts of a large cross section area part 113A. Heating of the large cross section area part 113A between the electrodes 211A, 211B can be performed. In the total heat process, electric heating is performed between electrodes 212, 212 disposed at both endpoint parts of a cross section change hollow material 100A, so that the total of the cross section change hollow material 100A between the electrodes 212, 212 can be heated. In the preliminary heat process, electric heating is preferably performed in a part in which a cross section area ratio with a part in which a cross section area is large in a cross section change part is at least 90%.