PEENING DEVICE

PROBLEM TO BE SOLVED: To provide a peening device which eliminates the possibility that a striking force adding member is left in a plant as a residue, and makes a peening portion compact.SOLUTION: A peening device has a chamber 2; a plurality of peening rods 4; a nozzle 6; and a high-pressure pump....

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Bibliographische Detailangaben
Hauptverfasser:	SAITO NOBORU, NEFU AKIRA, HATO HISAMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING 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 MACHINE TOOLS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR POWER PLANT OTHER WORKING OF METAL PERFORMING OPERATIONS PHYSICS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SOLDERING OR UNSOLDERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING UNIVERSAL MACHINE TOOLS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a peening device which eliminates the possibility that a striking force adding member is left in a plant as a residue, and makes a peening portion compact.SOLUTION: A peening device has a chamber 2; a plurality of peening rods 4; a nozzle 6; and a high-pressure pump. The nozzle 6 is provided at a sealed end portion of the chamber 2. The plurality of peening rods (impact force adding members) 4 is disposed in the chamber 2, and one end portion of each peening rod 4 is attached to a side wall inner surface of the chamber 2. High pressure water supplied from the high pressure pump is jetted from the nozzle 6 into the chamber 2 to vibrate each peening rod 4. A tip end portion of each vibrated peening rod 4 repeatedly strikes a peening surface of a core shroud 10. By this striking, compressive residual stress is added to the peening surface.