Soldering quality control method of large-section copper strand wire of turbonator
The invention provides a soldering quality control method of a large-section copper strand wire of a turbonator. The method is characterized in that not only the section shape of one copper wire but also the electric conductivity and the internal defects of the copper strand wire raw material are re...
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| creator | GU ZHEN CHEN GUOQIANG ZHANG CHAOQUAN LIN FUMIN QUAN YUQIANG LI BO |
| description | The invention provides a soldering quality control method of a large-section copper strand wire of a turbonator. The method is characterized in that not only the section shape of one copper wire but also the electric conductivity and the internal defects of the copper strand wire raw material are required to be controlled; after the surface of the copper strand wire is descaled, the copper strand wire is preliminarily coated with tin, joints at the ends of winding bars and jackets are preliminarily plated with silver, the plating thicknesses are larger than 10 micrometers; an induction coil is adopted for heating, the heating power is controlled to cause the temperatures of the joints to reach the soldering temperature after about one minute and thirty seconds; the difference in temperature of all positions of the joints do not exceed 50 DEG C; and the welding is finished after heating for three times. The method provided by the invention overcomes the defects in the prior art, can well control the fluctuatio |
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The method is characterized in that not only the section shape of one copper wire but also the electric conductivity and the internal defects of the copper strand wire raw material are required to be controlled; after the surface of the copper strand wire is descaled, the copper strand wire is preliminarily coated with tin, joints at the ends of winding bars and jackets are preliminarily plated with silver, the plating thicknesses are larger than 10 micrometers; an induction coil is adopted for heating, the heating power is controlled to cause the temperatures of the joints to reach the soldering temperature after about one minute and thirty seconds; the difference in temperature of all positions of the joints do not exceed 50 DEG C; and the welding is finished after heating for three times. The method provided by the invention overcomes the defects in the prior art, can well control the fluctuatio</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CURRENT COLLECTORS ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; ELECTRICITY ; LINE CONNECTORS ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2013</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=20130320&DB=EPODOC&CC=CN&NR=102983478A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130320&DB=EPODOC&CC=CN&NR=102983478A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GU ZHEN</creatorcontrib><creatorcontrib>CHEN GUOQIANG</creatorcontrib><creatorcontrib>ZHANG CHAOQUAN</creatorcontrib><creatorcontrib>LIN FUMIN</creatorcontrib><creatorcontrib>QUAN YUQIANG</creatorcontrib><creatorcontrib>LI BO</creatorcontrib><title>Soldering quality control method of large-section copper strand wire of turbonator</title><description>The invention provides a soldering quality control method of a large-section copper strand wire of a turbonator. The method is characterized in that not only the section shape of one copper wire but also the electric conductivity and the internal defects of the copper strand wire raw material are required to be controlled; after the surface of the copper strand wire is descaled, the copper strand wire is preliminarily coated with tin, joints at the ends of winding bars and jackets are preliminarily plated with silver, the plating thicknesses are larger than 10 micrometers; an induction coil is adopted for heating, the heating power is controlled to cause the temperatures of the joints to reach the soldering temperature after about one minute and thirty seconds; the difference in temperature of all positions of the joints do not exceed 50 DEG C; and the welding is finished after heating for three times. 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The method is characterized in that not only the section shape of one copper wire but also the electric conductivity and the internal defects of the copper strand wire raw material are required to be controlled; after the surface of the copper strand wire is descaled, the copper strand wire is preliminarily coated with tin, joints at the ends of winding bars and jackets are preliminarily plated with silver, the plating thicknesses are larger than 10 micrometers; an induction coil is adopted for heating, the heating power is controlled to cause the temperatures of the joints to reach the soldering temperature after about one minute and thirty seconds; the difference in temperature of all positions of the joints do not exceed 50 DEG C; and the welding is finished after heating for three times. The method provided by the invention overcomes the defects in the prior art, can well control the fluctuatio</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING CURRENT COLLECTORS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRICITY LINE CONNECTORS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | Soldering quality control method of large-section copper strand wire of turbonator |
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