MAGNET-EQUIPPED PROJECTION WELDING ELECTRODE

A main body made of metal and an end cover made of metal are provided. A major diameter hole and a minor diameter hole that communicates with the through hole of the end cover are provided in a heat insulating guide sleeve made of an insulation material and inserted into the main body. A cooling wat...

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Bibliographische Detailangaben
Hauptverfasser:	AOYAMA Shoji, AOYAMA, Yoshitaka
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A main body made of metal and an end cover made of metal are provided. A major diameter hole and a minor diameter hole that communicates with the through hole of the end cover are provided in a heat insulating guide sleeve made of an insulation material and inserted into the main body. A cooling water passage having an annular shape is formed in the heat insulating guide sleeve. A portion of the heat insulating guide sleeve located at an inner side of the cooling water passage serves as a heat insulating portion. A container of a permanent magnet is slidably inserted into the heat insulating portion. A magnetic force transmission member is slidably inserted into the minor diameter hole. The permanent magnet, the heat insulating portion, and the cooling water passage are arranged in a diameter direction of the main body. A depth dimension of the cooling water passage is set to be smaller than a thickness dimension of the heat insulating portion.