Double-shaft-shoulder friction stir tunnel forming method
A friction stir and friction stir welding technology, used in metal processing equipment, welding equipment, manufacturing tools, etc., can solve the problems of limited improvement in the volume and forming position of medium and thick plate tunnels, and improve heat dissipation efficiency and corrosion resistance. , Realize the effect of light weight and ensure the quality of surface forming
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[0036]In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0037] A method for forming a double-shouldered friction stir tunnel, such as figure 1 As shown, the specific method steps are as follows, figure 1 The direction of the middle arrow is the tunnel processing direction:
[0038] (1) Provide double-sided processing grooves on the metal plate 1 along the tunnel processing direction, mechanically polish, and wipe the surface of the metal plate 1 with chemical reagents to remove impurities on the surface of the metal plate 1 .
[0039] Specifically, a metal plate 1 is prepared, and the metal pla...
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