All-position automatic welding method for pipeline circumferential weld
The invention discloses an all-position automatic welding method for a pipeline circumferential weld and belongs to the technical field of pipeline circumferential weld welding. The method includes the following steps that firstly, steel pipes needing welding are machined to be provided with groove...
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| creator | LIN WEIPING ZHU LIXIA SONG JUAN LIU YANGQIN HE XIAODONG ZHANG XUEQIN WANG YUEXIA TONG KE |
| description | The invention discloses an all-position automatic welding method for a pipeline circumferential weld and belongs to the technical field of pipeline circumferential weld welding. The method includes the following steps that firstly, steel pipes needing welding are machined to be provided with groove end faces; secondly, welding technology parameters are typed in a controller program according to the preset welding technology; thirdly, the two welded steel pipes are assembled; fourthly, one of the steel pipes is provided with a welding rail; fifthly, the welding ends of the two steel pipes are preheated before welding; sixthly, a single welding torch is used for performing root welding on grooves; seventhly, a double welding torch is used for performing hot welding, filling welding and cosmetic welding on the grooves. According to the all-position automatic welding method for the pipeline circumferential weld, due to the fact that the groove type is designed, the root welding technology, the filling welding tec |
| format | Patent |
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The method includes the following steps that firstly, steel pipes needing welding are machined to be provided with groove end faces; secondly, welding technology parameters are typed in a controller program according to the preset welding technology; thirdly, the two welded steel pipes are assembled; fourthly, one of the steel pipes is provided with a welding rail; fifthly, the welding ends of the two steel pipes are preheated before welding; sixthly, a single welding torch is used for performing root welding on grooves; seventhly, a double welding torch is used for performing hot welding, filling welding and cosmetic welding on the grooves. 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| language | chi ; eng |
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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 | All-position automatic welding method for pipeline circumferential weld |
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