MOBILE HARDENING APPARATUS

PROBLEM TO BE SOLVED: To provide a mobile hardening apparatus adapted to allow immersing of a work, even in the case of the long-sized work, into a coolant filled in a coolant storage chamber and cooling the external surface of the work at a uniform cooling rate. SOLUTION: The mobile hardening appar...

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE KATSUKI, KUNO ATSUSHI, HAMAMOTO YUTAKA, TAKEUCHI KOICHIRO
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 a mobile hardening apparatus adapted to allow immersing of a work, even in the case of the long-sized work, into a coolant filled in a coolant storage chamber and cooling the external surface of the work at a uniform cooling rate. SOLUTION: The mobile hardening apparatus includes a coolant supply member 52 of an approximately annular form into which the work 10 is insertable, and the coolant storage chamber 57 formed between the coolant supply member and the work. The coolant supply member consists of first and second coolant supply chambers 53, 54 divided in a circumferential direction. The first and second coolant supply chambers 53, 54 are respectively connected to discrete coolant supply ways 61, 62 for supplying the coolants of different flow rates. The first and second coolant supply chambers are respectively provided with jet holes 59, 60 for jetting the coolants toward the coolant storage chambers, and the bottom end of the coolant storage chamber is provided with a discharge control plate 63 which restrictedly discharges the coolant from an annular gap 65 formed between the coolant storage chamber and the work at the bottom end of the coolant storage chamber. COPYRIGHT: (C)2009,JPO&INPIT