PROCESSING MONITORING DEVICE
PURPOSE:To monitor abnormality and breakage of a rotary tool by in-process by sensing the currents in a drive motor and AE under monitoring, and controlling them complimentarily and complexly. CONSTITUTION:The current in a motor 2 for driving a drill 1 is sensed by a current sensing means 43. On the...
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| creator | KOISHIKAWA KATSUO |
| description | PURPOSE:To monitor abnormality and breakage of a rotary tool by in-process by sensing the currents in a drive motor and AE under monitoring, and controlling them complimentarily and complexly. CONSTITUTION:The current in a motor 2 for driving a drill 1 is sensed by a current sensing means 43. On the basis of the current sensed, eventual abnormality in processing is judged, and damaged condition of the drill 1 is sensed. An AE(acoustic emission) signal from an AE sensor 4 provided near the drill 1 is fed into a control part 42 upon passing through an AE processing part 41. In this control part 42, the AE signal is always monitored, and when it exceeds a certain judgement value, it is judged that an abnormality or breakage has occurred in the drill 1. |
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CONSTITUTION:The current in a motor 2 for driving a drill 1 is sensed by a current sensing means 43. On the basis of the current sensed, eventual abnormality in processing is judged, and damaged condition of the drill 1 is sensed. An AE(acoustic emission) signal from an AE sensor 4 provided near the drill 1 is fed into a control part 42 upon passing through an AE processing part 41. In this control part 42, the AE signal is always monitored, and when it exceeds a certain judgement value, it is judged that an abnormality or breakage has occurred in the drill 1.</description><language>eng</language><subject>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 ; MACHINE TOOLS ; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; TRANSPORTING</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900316&DB=EPODOC&CC=JP&NR=H0276668A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900316&DB=EPODOC&CC=JP&NR=H0276668A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOISHIKAWA KATSUO</creatorcontrib><title>PROCESSING MONITORING DEVICE</title><description>PURPOSE:To monitor abnormality and breakage of a rotary tool by in-process by sensing the currents in a drive motor and AE under monitoring, and controlling them complimentarily and complexly. 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CONSTITUTION:The current in a motor 2 for driving a drill 1 is sensed by a current sensing means 43. On the basis of the current sensed, eventual abnormality in processing is judged, and damaged condition of the drill 1 is sensed. An AE(acoustic emission) signal from an AE sensor 4 provided near the drill 1 is fed into a control part 42 upon passing through an AE processing part 41. In this control part 42, the AE signal is always monitored, and when it exceeds a certain judgement value, it is judged that an abnormality or breakage has occurred in the drill 1.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | 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 MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING |
| title | PROCESSING MONITORING DEVICE |
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