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《Electric Welding Machine》 2006-02
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VPPAW's application in welding aluminium-alloyyang

XUE Gen-qiHe,nan Pinggao electric Co.,Ltd.,Pinggao 467001,China  
Variable Polarity Plasma Arc welding is a high efficiency welding,which cost is very low and the seam is excellent,but the welding process isn't stable.On the basis of experimental investigations on Variable Polarity Plasma Arc keyhole welding,The research achievements mentioned above have been verified in welding production of GIS tube and screw welded tube.
【CateGory Index】: TG457.14
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