METHOD FOR THERMAL SPRAYING BY EXCITATION

PURPOSE:To permit continuous thermal spraying and to improve the quality of a sprayed deposit on the surface of the body to be thermal-sprayed by melting it by the thermal spraying frame heat of a thermal spraying gun and thermal-spraying it on the surface of the body to be thermal-sprayed to preven...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KUSANO TOYOAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	PURPOSE:To permit continuous thermal spraying and to improve the quality of a sprayed deposit on the surface of the body to be thermal-sprayed by melting it by the thermal spraying frame heat of a thermal spraying gun and thermal-spraying it on the surface of the body to be thermal-sprayed to prevent the clogging caused by deposition in a powder feed tube caused by thermal spraying frame heat generated by the method of continuously feeding powder into a thermal spraying gun. CONSTITUTION:A thermal spraying frame 3 radiated from the cathode 2 provided in a thermal spraying gun 1 is converted into plasma by an argon gas emitted from a plasma feed tube 4. This plasmatized thermal spraying frame 3 is fed with powder 7 by a feed gas from a powder feed tube 5, and this powder is melted by thermal spraying frame heat and is thermal-sprayed toward the body 8 to be thermal-sprayed. At this time, ultrasonic oscillation is conveyed to the thermal spraying gun 1 by an exciting rod 11 in contact with the tip of the thermal spraying gun 1 in the state where it is mechanically amplified, and excitation is performed. By this oscillation, the deposition of the powder in the powder feed tube 5 is prevented.