2001-不锈钢管打底焊接工艺的进展_电子资料文库 关键词:不锈钢管;打底焊;药芯焊丝(棒) [gap=6404]Key words :stainless steel tube ;backing weld ;flux - cored wire(rod)
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... backing off反馈；退绕；铲齿 backing weld用垫环的焊缝；底焊焊缝；打底焊道 backing plate垫板；背板；制动底板 ...
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weld backing 焊接衬垫 ; 焊缝衬垫 ; 焊缝垫 ; 焊缝背衬垫
backing groove of weld 焊缝反面坡口
weld with backing ring 背面垫环焊接
weld with backing strip 背面垫板条焊接
nonfusible weld backing 非熔性焊接背垫
backing g weld 用垫环的焊缝
Basic flux-cored wire for backing weld to T91 tube was studied in this paper.
研究了用于T91钢管打底焊的碱性渣系药芯焊丝。
Welding methods and technology of narrow gap quirk backing weld were discussed. Indirect quirk backing weld using manual hydrogen arc welding is considered as the best result.
讨论了窄间隙深槽打底焊焊接方法和工艺，认为用手工氩弧焊进行单面深槽打底焊效果最好。
They cause all the welding of double tubes, joint boxes and gas-collecting tubes to realize the backing weld of TAW-P. The quality of the double tube waste heat boilers have been improved.
并对喷嘴、规范参数、坡口形式等作了相应改进，使双套管、联箱、集气管的焊接全部实现了钨极氩弧焊打底，从而提高了双套管废热锅炉的质量。
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