AUTOMATIC MEASUREMENT/JUDGMENT DEVICE FOR DEFECTIVE MATERIAL AND IMPROPER CHUCKING

PURPOSE:To make it possible to perform a fully automated machining smoothly by providing an NC machine tool such as a turning center with an automatic measurement/judgment device for measuring a misalignment of a work attached to a chuck of the NC machine tool and for judging the work for its proper...

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Bibliographische Detailangaben
Hauptverfasser:	OTAKE KIMITAKA, OKAMOTO JUNJI
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS 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 INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MEASURING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To make it possible to perform a fully automated machining smoothly by providing an NC machine tool such as a turning center with an automatic measurement/judgment device for measuring a misalignment of a work attached to a chuck of the NC machine tool and for judging the work for its properness. CONSTITUTION:In a turning center, a measurement device 44 for measuring a misalignment of a work W is arranged either on the periphery or on the end surface of the work W. The measurement device 44 is connected via an input-output circuit 45. A robot device 25 is also provided for attaching/ detaching the work W to/from a chuck 7. Further, a reject judgment device 48 is connected to a central processing unit (CPU) 30. The judgment device 48 consists of a measurement maximum minimum determination means 49 for determining the maximum or minimum value of various measurements of the measurement device 44, an operation means 50 for calculating a difference between the maximum and minimum values, a judgment means 51 for comparing the operated result with a preset tolerance value, and an abnormality coping means 71 for commanding a machine tool with such a process as a re-checking the work based on a count number of abnormalities.