Laser guide GMAW (Gas Metal Arc Welding) electric arc compound transverse welding method
A transverse welding, laser-guided technology, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of undercut and weld centerline deviation, so as to improve welding speed, improve welding efficiency, and increase process Effects of parameter ranges
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specific Embodiment approach 1
[0017] Embodiment 1: A laser-guided GMAW arc hybrid transverse welding method in this embodiment is performed in the following steps:
[0018] 1. Degrease and remove oxide film on the workpiece to be welded: first wipe the surface of the workpiece to be welded with acetone for 2 to 3 times to remove oil stains, and then use sodium hydroxide solution with a concentration of 6% to 10% to remove the aluminum After soaking the alloy plate for 6min~12min, rinse it with clean water, and then soak the workpiece to be welded with a nitric acid solution with a concentration of 25%~35% by mass for 2min~4min, rinse it with clean water and dry it, and then put the welder to be welded. The to-be-welded surface of the piece is fixed on the traveling mechanism in a transverse manner;
[0019] 2. Filling wire: the diameter of the welding wire is 1.0mm~1.6mm, the dry elongation of the welding wire is controlled at 10mm~30mm, and the angle α between the welding wire and the normal line is 30°~7...
specific Embodiment approach 2
[0025]Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that in step 1, acetone is used to wipe the surface of the workpiece to be welded twice to remove oil stains, and then the aluminum alloy is treated with sodium hydroxide solution with a mass percentage concentration of 8%. After soaking the board for 9 minutes, rinse it with clean water, and then soak the workpiece to be welded with a 30% nitric acid solution by mass for 3 minutes. Other steps and parameters are the same as in the first embodiment.
specific Embodiment approach 3
[0026] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that in step 2, the diameter of the welding wire is 1.2 mm~1.4 mm, the dry elongation of the welding wire is controlled at 12 mm~25 mm, and the angle α between the welding wire and the normal line is 40 mm. °~65°. Other steps and parameters are the same as in the first or second embodiment.
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