Novel aluminum alloy mixing pin
A stirring needle, aluminum alloy technology, applied in metal processing equipment, non-electric welding equipment, welding equipment and other directions, can solve problems such as the inability to achieve aluminum alloy plate welding
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[0016] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, the present invention provides a new type of aluminum alloy stirring needle, which includes a conical stirring needle 1, and the conical surface of the conical stirring needle is provided with a multi-rotation spiral.
[0017] The conical surface of the conical stirring needle is uniformly distributed with 3 straight edges 111, 112, 113, and 3 conical surfaces, 121, 122, 123, and spirals with different directions are respectively arranged on the sides of the 3 conical surfaces. , Are right-handed spiral 2, left-handed spiral 3, and circular spiral 4, respectively.
[0018] The function of the stirring pin is to generate heat by rotating friction to provide the heat required for welding, and to drive the flow of materials around the stirring pin to form a weld; the shape of the stirring pin is very important to the stir welding technology, it determines the heating and the plasticity of the material flow. When...
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