RESISTANCE-WELDING CONTROL METHOD
PROBLEM TO BE SOLVED: To provide a resistance-welding control method for carrying a welding current less in a variation in a first cycle of current-carrying.SOLUTION: In the resistance-welding control method of the present invention, an up-slope is imposed on a preset current up to the Nth cycle fro...
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| creator | MATSUURA TAKUJI KUBO TERUYUKI |
| description | PROBLEM TO BE SOLVED: To provide a resistance-welding control method for carrying a welding current less in a variation in a first cycle of current-carrying.SOLUTION: In the resistance-welding control method of the present invention, an up-slope is imposed on a preset current up to the Nth cycle from the first cycle of the current-carrying to a plurality of works of the same shape. A characteristic table composed of the preset current and a firing angle in the respective cycles up to the Nth cycle from the first cycle of the current-carrying, is made in advance by an experiment in response to the work of projection welding. An electric current is carried by correcting the firing angle of the first cycle of the characteristic table on the basis of an error between the preset current and the carrying electric current in the first cycle of the current-carrying of the work of already executing the projection welding. As a result of this, the projection welding can be executed for carrying the welding current less in the variation in the first cycle of the current-carrying. |
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A characteristic table composed of the preset current and a firing angle in the respective cycles up to the Nth cycle from the first cycle of the current-carrying, is made in advance by an experiment in response to the work of projection welding. An electric current is carried by correcting the firing angle of the first cycle of the characteristic table on the basis of an error between the preset current and the carrying electric current in the first cycle of the current-carrying of the work of already executing the projection welding. 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A characteristic table composed of the preset current and a firing angle in the respective cycles up to the Nth cycle from the first cycle of the current-carrying, is made in advance by an experiment in response to the work of projection welding. An electric current is carried by correcting the firing angle of the first cycle of the characteristic table on the basis of an error between the preset current and the carrying electric current in the first cycle of the current-carrying of the work of already executing the projection welding. As a result of this, the projection welding can be executed for carrying the welding current less in the variation in the first cycle of the current-carrying.</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>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAMcg32DA5x9HN21Q139XHx9HNXcPb3Cwny91HwdQ3x8HfhYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBoYmhmaGFiaWjsZEKQIAbSUizg</recordid><startdate>20140908</startdate><enddate>20140908</enddate><creator>MATSUURA TAKUJI</creator><creator>KUBO TERUYUKI</creator><scope>EVB</scope></search><sort><creationdate>20140908</creationdate><title>RESISTANCE-WELDING CONTROL METHOD</title><author>MATSUURA TAKUJI ; KUBO TERUYUKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014161849A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</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>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>MATSUURA TAKUJI</creatorcontrib><creatorcontrib>KUBO TERUYUKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MATSUURA TAKUJI</au><au>KUBO TERUYUKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>RESISTANCE-WELDING CONTROL METHOD</title><date>2014-09-08</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide a resistance-welding control method for carrying a welding current less in a variation in a first cycle of current-carrying.SOLUTION: In the resistance-welding control method of the present invention, an up-slope is imposed on a preset current up to the Nth cycle from the first cycle of the current-carrying to a plurality of works of the same shape. A characteristic table composed of the preset current and a firing angle in the respective cycles up to the Nth cycle from the first cycle of the current-carrying, is made in advance by an experiment in response to the work of projection welding. An electric current is carried by correcting the firing angle of the first cycle of the characteristic table on the basis of an error between the preset current and the carrying electric current in the first cycle of the current-carrying of the work of already executing the projection welding. As a result of this, the projection welding can be executed for carrying the welding current less in the variation in the first cycle of the current-carrying.</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 | RESISTANCE-WELDING CONTROL METHOD |
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