ROTARY JOINT

PROBLEM TO BE SOLVED: To provide a rotary shaft for a rotary joint facilitating the machining and having superior cooling efficiency. SOLUTION: This rotary joint is provided with a rotary shaft rotating a tool for a tool machine along with a fitted main spindle and feeding cooling medium to the rota...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KATO MASAYUKI, IDE TSUNEO, ISHIBASHI JUNYA, GOTO TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rotary shaft for a rotary joint facilitating the machining and having superior cooling efficiency. SOLUTION: This rotary joint is provided with a rotary shaft rotating a tool for a tool machine along with a fitted main spindle and feeding cooling medium to the rotating main spindle. This rotary joint is characterized in that the rotary shaft is provided with a coolant hole for introducing cutting fluid to the tool in its central part, a central shaft having a plurality of grooved passages in its outer face, an intermediate shaft fitting the central shaft to its inside diameter face and provided with a plurality of grooved passages in the outer face, and an outer shaft fitting the intermediate shaft to the inside diameter side.