Steel bar connecting method based on alternating and direct current double wire submerged arc
A connection method, AC and DC technology, applied in welding equipment, arc welding equipment, welding/welding/cutting items, etc., can solve the problem of low welding strength, achieve the effects of improving strength, tight connection, and reducing the probability of occurrence
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[0021] Example
[0022] Such as figure 1 , 2 As shown, the method for connecting steel bars based on AC and DC double wire submerged arc in the present invention includes the following steps:
[0023] A: Prepare two steel bars 1 of equal diameter, and open two rectangular grooves 2 on the end face of the steel bar 1, and the rectangular grooves 2 are symmetrical about the central axis of the steel bar 1;
[0024] B: Adjust the two steel bars 1 so that the rectangular grooves 2 of the two steel bars 1 are facing the same direction, and at the same time, make the bottom surface of the rectangular groove 2 on each steel bar 1 vertically upward, and the two steel bars 1 The rectangular grooves 2 of the two steel bars 1 face the same direction, and then spot welding is positioned at the center points of the end faces of the two steel bars 1 so that the center points of the two steel bars 1 are connected as a whole, and the distance between the end faces of the steel bars 1 is 3mm ;
[002...
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