WELDING METHOD FOR PREVENTING GENERATION OF BLOW-HOLE
PURPOSE:To stabilize an arc and to prevent a blow-hole from generating in a weld metal by moving and exhausting an atmospheric gas of the time of welding to match a movement of a welding torch from the back side of a weld line, when executing a gas shield are welding of a surface treated steel plate...
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| creator | AMASAKA TADAO KUSUMOTO SHOGO MATSUDAIRA YASUTO IMAEDA TOSHIHIKO TAKAGI RYUHEI |
| description | PURPOSE:To stabilize an arc and to prevent a blow-hole from generating in a weld metal by moving and exhausting an atmospheric gas of the time of welding to match a movement of a welding torch from the back side of a weld line, when executing a gas shield are welding of a surface treated steel plate, etc. CONSTITUTION:In case when a rustproof surface treated steel plate PL by a galvanizing layer and a steel plate Pu which is not subjected to surface treatment are brought to a gas shield arc welding by a welding torch T, a gap G is provided between both the steel plates, and as the torch T moves, an exhaust device E having an exhaust port is moved in the same direction at the same speed. At the same time, by setting an aim angle alpha of a welding torch 2 to |
| format | Patent |
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At the same time, by setting an aim angle alpha of a welding torch 2 to <=45 deg., and setting the molten quantity of a Zn plating layer P2 of the galvanizing steel plate PL positioned in the inside of a weld line to <=5.0X10<-5>g, vapor of Zn is absorbed, also an arc is stabilized without putting a welding atmospheric gas into disorder, and the generation of a blow-hole in a weld metal by the Zn vapor is prevented.</description><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>1986</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=19860527&DB=EPODOC&CC=JP&NR=S61108478A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860527&DB=EPODOC&CC=JP&NR=S61108478A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AMASAKA TADAO</creatorcontrib><creatorcontrib>KUSUMOTO SHOGO</creatorcontrib><creatorcontrib>MATSUDAIRA YASUTO</creatorcontrib><creatorcontrib>IMAEDA TOSHIHIKO</creatorcontrib><creatorcontrib>TAKAGI RYUHEI</creatorcontrib><title>WELDING METHOD FOR PREVENTING GENERATION OF BLOW-HOLE</title><description>PURPOSE:To stabilize an arc and to prevent a blow-hole from generating in a weld metal by moving and exhausting an atmospheric gas of the time of welding to match a movement of a welding torch from the back side of a weld line, when executing a gas shield are welding of a surface treated steel plate, etc. CONSTITUTION:In case when a rustproof surface treated steel plate PL by a galvanizing layer and a steel plate Pu which is not subjected to surface treatment are brought to a gas shield arc welding by a welding torch T, a gap G is provided between both the steel plates, and as the torch T moves, an exhaust device E having an exhaust port is moved in the same direction at the same speed. 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At the same time, by setting an aim angle alpha of a welding torch 2 to <=45 deg., and setting the molten quantity of a Zn plating layer P2 of the galvanizing steel plate PL positioned in the inside of a weld line to <=5.0X10<-5>g, vapor of Zn is absorbed, also an arc is stabilized without putting a welding atmospheric gas into disorder, and the generation of a blow-hole in a weld metal by the Zn vapor is prevented.</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 METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | WELDING METHOD FOR PREVENTING GENERATION OF BLOW-HOLE |
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