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Laser welding is a new type of welding. Laser welding is mainly for the welding of thin-walled materials and precision parts. It can realize spot welding, butt welding, lamination welding and sealing welding. As a Laser Cutting Machine Factory, let's share with you the working principle and application of laser welding.
Laser welding features:
It has a high aspect ratio, a small weld width, a small heat-affected zone, small deformation, and fast welding speed.
The weld is smooth and beautiful, no need to be treated after welding or a simple process.
The weld has high quality and no porosity, which can reduce and optimize the impurities of the base metal. The microstructure can be refined after welding. The weld strength and toughness are at least equal to or even exceed the base metal.
Controllable, small focus spot, high precision positioning, easy to automate. The welding between certain dissimilar materials is possible.
Laser Welding Machine
Solderable materials and industrial applications:
Laser welding can be applied to the welding of various metals such as titanium, nickel, tin, zinc, copper, aluminum, chromium, bismuth, gold, silver, etc., and the same materials of alloys such as steel and Kovar. It is used for welding between various dissimilar metals such as copper-nickel, nickel-titanium, copper-titanium, titanium-molybdenum, brass-copper, low carbon steel-copper.
Laser Welding Machine is widely used in mobile communication, electronic components, glasses and watches, jewelry, hardware, precision equipment, medical equipment, auto parts, craft gifts, and other industries.
Laser welding works:
Laser Welding Equipment radiates a high-intensity laser beam onto a metal surface, which is melted by a laser to interact with the metal to form a weld. Metal melting is only one of the physical phenomena during the interaction of laser and metal. Sometimes light energy is not mainly converted into metal melting but is expressed in other forms such as vaporization, plasma formation, and the like. However, to achieve good fusion welding, the metal must be melted into the primary form of energy conversion. To this end, it is necessary to understand the various physical phenomena produced by the interaction of lasers and metals and the relationship between these physical phenomena and laser parameters. Therefore, by controlling the laser parameters, most of the laser energy is converted into the energy of metal melting to achieve the purpose of welding.