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Alternative TitleSelf-hold welding tool and technological method for friction stir and lap welding
张会杰; 王敏; 张景宝; 张骁
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention discloses a self-hold welding tool and a technological method for friction stir and lap welding, and belongs to the technical field of friction stir welding. The self-hold welding tool is characterized in that the size of the self-hold welding tool is determined according to the thicknesses of an upper lap plate and a lower lap plate; during the friction stir and lap welding, the upper lap plate and the lower lap plate are stacked from the top down to form a lap structure; the lap structure is fastened and positioned by a fixture; then the self-hold welding tool is moved to a welding initial position; an upper shaft shoulder of the self-hold welding tool is arranged to be 0-0.3mm lower than the upper surface of the upper lap plate; and subsequently a main shaft of the welding tool rotates and implements the friction stir and lap welding on the lap structure along an established welding path. The self-hold welding tool solves the friction stir and lap welding problem of the lap structure that a support backing plate cannot be placed at the back of the lap structure.
PCT Attributes
Application Date2014-04-08
Application NumberCN201410139175.0
Open (Notice) NumberCN104972216A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
张会杰,王敏,张景宝,等. 一种搅拌摩擦搭接焊接的自持式焊具和工艺方法[P]. 2015-10-14.
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