SPINDLE DEVICE OF MACHINE TOOL

PROBLEM TO BE SOLVED: To provide a spindle device of a machine tool capable of suppressing occurrence of chatter vibration in various of rotating tools. SOLUTION: A dumping force imparted by damp imparting means 5, 134 is controlled based on the kinds of the rotating tools T to change damping proper...

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Bibliographische Detailangaben
Hauptverfasser:	HORI NOBUMITSU, OGURA KAZUNARI, NAKAJIMA KUNIMICHI, SHIBATA TAKAMASA, OKAWA YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING BORING 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 ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING TURNING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a spindle device of a machine tool capable of suppressing occurrence of chatter vibration in various of rotating tools. SOLUTION: A dumping force imparted by damp imparting means 5, 134 is controlled based on the kinds of the rotating tools T to change damping property of a rear side rolling bearing 133, so that optimum damping property is given to various kinds of the rotating tools with different specific vibrations, and the occurrence of the chatter vibration of the variety of the rotating tools is suppressed. Accordingly, productivity is improved by increasing a cutting amount per a unit time. COPYRIGHT: (C)2011,JPO&INPIT