automatic submerged arc weld of transverse seam machine(automatic grith welder):the large tank,metallurgical blast furance and hot stove which have the large steel construction are made of plate,the joint form of main structure mostly is long linear weld,the construction project is huge,but it is especially fit for automatic welding, conventional automatic welding technique hardly achieves the high efficient welding,automatic submerged arc weld of transverse seam machine is designed for the transverse level linear weld and girth weld,and it is especially suitable for level weld of cylinderical steel structure. using combined with
vertical position gas-electric welding machine,it is the ideal equipment of automatic welding of large steel structure such as oil tank and blask furnace.  
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