Changeable chuck system

In a changeable chuck system which can grip and release a workpiece by means of a chuck C by itself, fluid shut-off valves 20a and 20b are provided on a fluid supply portion provided on the tip of a main spindle 2 of a machine tool. When the chuck C is mounted on the main spindle 2, the fluid shut-o...

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Bibliographische Detailangaben
1. Verfasser:	MORISAKI, EIICHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS 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 TRANSPORTING
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Beschreibung
Zusammenfassung:	In a changeable chuck system which can grip and release a workpiece by means of a chuck C by itself, fluid shut-off valves 20a and 20b are provided on a fluid supply portion provided on the tip of a main spindle 2 of a machine tool. When the chuck C is mounted on the main spindle 2, the fluid shut-off valves 20a and 20b are automatically connected to fluid couplers 111a and 111b provided behind the chuck C, and a jaw operating cylinder 90 provided in the chuck C is actuated by a fluid supplied from a rear portion of the main spindle 2 to open and close gripping jaws 93. Thus, the gripping jaws 93 can be operated by means of the jaw operating cylinder 90 provided in the chuck C when the chuck C is mounted on the tip of the main spindle 2.