A welding tool for friction stir welding of angled joints
A technology of friction stir welding and friction stir, which is applied in welding equipment, manufacturing tools, non-electric welding equipment, etc., can solve the problems that special-shaped joints cannot be welded, and achieve the effects of high internal quality, smooth weld surface and high joint strength
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[0018] Hereinafter, the present invention will be further described in conjunction with the drawings and embodiments.
[0019] Combined with the accompanying drawings, figure 1 Schematic diagram of static shoulder friction stir welding of corner joint, shoulder 1 is stationary, stirring needle 2 rotates, welding front shoulder 1 is away from the welding surface, and the back is firmly attached to workpiece 4, as shown in figure 2 shown. The relative movement between the shaft shoulder 1 and the stirring needle 2 is realized through the bearing 3, and the rigidity of the stirring needle 2 is guaranteed. During welding, the joint form of the shaft shoulder profile 12 and the workpiece 4 is consistent, and the shape of the formed weld seam is consistent with that before welding.
[0020] image 3 The structural diagram of the shaft shoulder shown in the figure shows that along the welding direction, the front end is opened in a boat shape to reduce resistance, and the rear en...
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