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China with five-axis welding to complete the first person hole flange friction stir welding

the first successful welding of the seven factory of China Aerospace Science and Technology Corporation, a type of manhole flange and other thick melon valve test pieces, the basic grasp of the use of the five axis equipment to achieve the ability of complex parts welding.

It is reported that the test piece corresponding to the welding seam is the most difficult to weld the curve of the entire project, in the length of 5 meters long weld, no penetration, tie plate, etc.. This test has verified the friction stir welding pumpback welding technology, has laid a solid technical foundation for the welding seam bottom ring, the plant is from the traditional manual welding method to automatic welding method is one of the important signs of digital technology in the process of changing based on.