Welding method for movable hydraulic elevator made of aluminum alloy material
A welding method and technology of aluminum alloy, applied in welding medium, welding equipment, welding equipment, etc., can solve the problems that the weld performance and surface quality are difficult to meet the design requirements, welding cracks, inclusions, etc., and optimize the welding wire material and welding process. , The effect of good weld formability and high welding speed
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Embodiment 1
[0023] A welding method of a mobile hydraulic lift made of aluminum alloy, the welding method of the mobile hydraulic lift made of aluminum alloy comprises the following process steps:
[0024] The welding wire used in welding contains the following elements in terms of mass percentage: 2.3% Zn, 0.35% Si, 0.25% Fe, 3.8% Mg, 0.7% Cu, 0.6% Mn, 0.18% Ti, and 0.18% Cr. 0.15%, Zr accounts for 0.13%, RE element accounts for 0.010%, the rest is Al and unavoidable impurities; the welding process includes the following steps:
[0025] (1) Before welding, polish the surface of the aluminum alloy to be welded in the range of 34-40 mm with 600, 800, and 1200 mesh silicon carbide sandpaper in sequence, and then use acetone solution to wipe the welding surface to remove oil stains and use them after removing grease Rinse twice with deionized water and dry in an oven at 120°C;
[0026] (2) Put the aluminum alloy workpiece on the test bench and weld it with the prepared welding wire. The wel...
Embodiment 2
[0040] A welding method of a mobile hydraulic lift made of aluminum alloy, the welding method of the mobile hydraulic lift made of aluminum alloy comprises the following process steps:
[0041] The welding wire used in welding contains the following elements in terms of mass percentage: 2.4% Zn, 0.36% Si, 0.28% Fe, 3.9% Mg, 0.8% Cu, 0.7% Mn, 0.19% Ti, and 0.19% Cr. 0.16%, Zr accounts for 0.14%, RE element accounts for 0.012%, the rest is Al and unavoidable impurities; the welding process includes the following steps:
[0042] (1) Before welding, polish the surface of the aluminum alloy to be welded in the range of 34-40 mm with 600, 800, and 1200 mesh silicon carbide sandpaper in sequence, and then use acetone solution to wipe the welding surface to remove oil stains and use them after removing grease Rinse twice with deionized water and dry in an oven at 125°C;
[0043] (2) Put the aluminum alloy workpiece on the test bench and weld it with the prepared welding wire. The wel...
Embodiment 3
[0057] A welding method of a mobile hydraulic lift made of aluminum alloy, the welding method of the mobile hydraulic lift made of aluminum alloy comprises the following process steps:
[0058] The welding wire used in welding contains the following elements in terms of mass percentage: Zn accounts for 2.5%, Si accounts for 0.38%, Fe accounts for 0.30%, Mg accounts for 4.0%, Cu accounts for 1.0%, Mn accounts for 0.8%, Ti accounts for 0.20%, Cr accounts for 0.18%, Zr accounts for 0.15%, RE element accounts for 0.013%, the rest is Al and unavoidable impurities; the welding process includes the following steps:
[0059] (1) Before welding, polish the surface of the aluminum alloy to be welded in the range of 34-40 mm with 600, 800, and 1200 mesh silicon carbide sandpaper in sequence, and then use acetone solution to wipe the welding surface to remove oil stains and use them after removing grease Rinse 3 times with deionized water and dry in an oven at 130°C;
[0060] (2) Put the...
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