DETECTING DEVICE FOR WELDING GROOVE CENTER POSITION
PURPOSE:To exactly detect a groove center position even if a groove shoulder part is indistinct by bringing a light cutting position signal of a welding groove part to differential operation and detecting rough and detailed shapes of the groove shoulder part, and detecting a center position of a gro...
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| creator | ISAKA NORIYASU UESUGI MITSUAKI YAMADA TAKEO |
| description | PURPOSE:To exactly detect a groove center position even if a groove shoulder part is indistinct by bringing a light cutting position signal of a welding groove part to differential operation and detecting rough and detailed shapes of the groove shoulder part, and detecting a center position of a groove part, based on a result of its detection. CONSTITUTION:A welding groove part is irradiated by a linear light beam, and an optical cut image obtained thereby is brought to image pickup and inputted as a video signal to a signal processing circuit 11. A light cutting position detecting circuit 111 detects a light cutting position signal by the video signal. A groove shoulder part rough shape detecting means 117 and a groove shoulder part detailed shape detecting means 118 detect a rough shape and its position, and a detailed shape and its position of a groove part from a result of operation of a macro two-story difference and a micro two-story difference of the light cutting position detecting signal. A groove shoulder part cross section shape detecting circuit 119 decides a shape of the right and the left groove shoulder parts, based on a result of said detection, and selects one of said rough position and detailed position, based on a result of its decision. A groove center position detecting means 120 calculates a groove center position, based on an output of the detecting circuit 119. |
| format | Patent |
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CONSTITUTION:A welding groove part is irradiated by a linear light beam, and an optical cut image obtained thereby is brought to image pickup and inputted as a video signal to a signal processing circuit 11. A light cutting position detecting circuit 111 detects a light cutting position signal by the video signal. A groove shoulder part rough shape detecting means 117 and a groove shoulder part detailed shape detecting means 118 detect a rough shape and its position, and a detailed shape and its position of a groove part from a result of operation of a macro two-story difference and a micro two-story difference of the light cutting position detecting signal. A groove shoulder part cross section shape detecting circuit 119 decides a shape of the right and the left groove shoulder parts, based on a result of said detection, and selects one of said rough position and detailed position, based on a result of its decision. A groove center position detecting means 120 calculates a groove center position, based on an output of the detecting circuit 119.</description><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; MACHINE TOOLS ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; PHYSICS ; SOLDERING OR UNSOLDERING ; TESTING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</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=19900105&DB=EPODOC&CC=JP&NR=H021510A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900105&DB=EPODOC&CC=JP&NR=H021510A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ISAKA NORIYASU</creatorcontrib><creatorcontrib>UESUGI MITSUAKI</creatorcontrib><creatorcontrib>YAMADA TAKEO</creatorcontrib><title>DETECTING DEVICE FOR WELDING GROOVE CENTER POSITION</title><description>PURPOSE:To exactly detect a groove center position even if a groove shoulder part is indistinct by bringing a light cutting position signal of a welding groove part to differential operation and detecting rough and detailed shapes of the groove shoulder part, and detecting a center position of a groove part, based on a result of its detection. CONSTITUTION:A welding groove part is irradiated by a linear light beam, and an optical cut image obtained thereby is brought to image pickup and inputted as a video signal to a signal processing circuit 11. A light cutting position detecting circuit 111 detects a light cutting position signal by the video signal. A groove shoulder part rough shape detecting means 117 and a groove shoulder part detailed shape detecting means 118 detect a rough shape and its position, and a detailed shape and its position of a groove part from a result of operation of a macro two-story difference and a micro two-story difference of the light cutting position detecting signal. A groove shoulder part cross section shape detecting circuit 119 decides a shape of the right and the left groove shoulder parts, based on a result of said detection, and selects one of said rough position and detailed position, based on a result of its decision. A groove center position detecting means 120 calculates a groove center position, based on an output of the detecting circuit 119.</description><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>MACHINE TOOLS</subject><subject>MEASURING</subject><subject>MEASURING ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB2cQ1xdQ7x9HNXcHEN83R2VXDzD1IId_VxAQm5B_n7h7kqOLv6hbgGKQT4B3uGePr78TCwpiXmFKfyQmluBnk31xBnD93Ugvz41OKCxOTUvNSSeK8ADwMjQ1NDA0djwioACq8mag</recordid><startdate>19900105</startdate><enddate>19900105</enddate><creator>ISAKA NORIYASU</creator><creator>UESUGI MITSUAKI</creator><creator>YAMADA TAKEO</creator><scope>EVB</scope></search><sort><creationdate>19900105</creationdate><title>DETECTING DEVICE FOR WELDING GROOVE CENTER POSITION</title><author>ISAKA NORIYASU ; UESUGI MITSUAKI ; YAMADA TAKEO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH021510A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>MACHINE TOOLS</topic><topic>MEASURING</topic><topic>MEASURING ANGLES</topic><topic>MEASURING AREAS</topic><topic>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</topic><topic>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>ISAKA NORIYASU</creatorcontrib><creatorcontrib>UESUGI MITSUAKI</creatorcontrib><creatorcontrib>YAMADA TAKEO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ISAKA NORIYASU</au><au>UESUGI MITSUAKI</au><au>YAMADA TAKEO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DETECTING DEVICE FOR WELDING GROOVE CENTER POSITION</title><date>1990-01-05</date><risdate>1990</risdate><abstract>PURPOSE:To exactly detect a groove center position even if a groove shoulder part is indistinct by bringing a light cutting position signal of a welding groove part to differential operation and detecting rough and detailed shapes of the groove shoulder part, and detecting a center position of a groove part, based on a result of its detection. CONSTITUTION:A welding groove part is irradiated by a linear light beam, and an optical cut image obtained thereby is brought to image pickup and inputted as a video signal to a signal processing circuit 11. A light cutting position detecting circuit 111 detects a light cutting position signal by the video signal. A groove shoulder part rough shape detecting means 117 and a groove shoulder part detailed shape detecting means 118 detect a rough shape and its position, and a detailed shape and its position of a groove part from a result of operation of a macro two-story difference and a micro two-story difference of the light cutting position detecting signal. A groove shoulder part cross section shape detecting circuit 119 decides a shape of the right and the left groove shoulder parts, based on a result of said detection, and selects one of said rough position and detailed position, based on a result of its decision. A groove center position detecting means 120 calculates a groove center position, based on an output of the detecting circuit 119.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TESTING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | DETECTING DEVICE FOR WELDING GROOVE CENTER POSITION |
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