Oil-coated passivation film galvanized steel sheet welding process
A galvanized steel sheet, welding process technology, applied in welding medium, welding equipment, welding equipment and other directions, can solve the problem of unfavorable oil-coated passivation film galvanized steel sheet welding, oil-coated passivation film galvanized steel sheet welding difficulty, welding effect It can achieve the effect of good welding effect, low cost, high efficiency and high degree of automation
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Embodiment 1
[0016] When welding oil-coated passive film galvanized steel sheets, resistance spot welding is used for welding. The equipment and parameters for resistance spot welding are as follows: the welding machine is a single-phase rectifying DC spot welding machine, and the electrode material is Cr -Zr-Cu alloy, the diameter of the electrode end face is 6mm, the welding current is 9.9kA, the spot welding time is 1.2s, and the electrode pressure is 2.5kN.
[0017] After the welding is completed, the nugget diameter of the spot welded joint is 3.36mm. The shear resistance of the spot welded joint is tested, and the shear resistance of the spot welded joint is 2.086kN.
Embodiment 2
[0019] When welding oil-coated passive film galvanized steel sheets, resistance spot welding is used for welding. The equipment and parameters for resistance spot welding are as follows: the welding machine is a single-phase rectifying DC spot welding machine, and the electrode material is Cr -Zr-Cu alloy, the diameter of the electrode end face is 5mm, the welding current is 9.7kA, the spot welding time is 1s, and the electrode pressure is 2.5kN.
[0020] After the welding is completed, the nugget diameter of the spot welded joint is 3.12mm. The shear resistance of the spot welded joint is tested, and the shear resistance of the spot welded joint is 2.085kN.
Embodiment 3
[0022] When welding oil-coated passive film galvanized steel sheets, resistance spot welding is used for welding. The equipment and parameters for resistance spot welding are as follows: the welding machine is a single-phase rectifying DC spot welding machine, and the electrode material is Cr -Zr-Cu alloy, the diameter of the electrode end face is 6mm, the welding current is 10.2kA, the spot welding time is 1.2s, and the electrode pressure is 2.5kN.
[0023] After the welding is completed, the nugget diameter of the spot welded joint is 3.94mm. The shear resistance of the spot welded joint is tested, and the shear resistance of the spot welded joint is 2.291kN.
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Abstract
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