The small area of the product workpiece is heated locally, the energy radiated by the laser is diffused to the internal structure of the product workpiece through heat transfer, and the product workpiece is melted to produce a specific melt pool. Due to the high power density and fast energy release of laser welding machine, its production and processing efficiency is much higher than that of traditional welding methods.
When the laser is focused, the spot is very small. During the welding operation, the adhesion between the two materials is better, there is no damage to the surface of the material and its deformation, and there is no post-treatment of the weld.
Laser welding has been widely used in the electronics industry, especially in microelectronic precision parts. Considering that laser welding has the characteristics of small thermal interference area, fast heating concentration and low thermal stress, it shows advantages in the packaging of integrated circuits and semiconductor device shells.
The thickness of the elastic thin wall corrugated plate in the sensor or thermostat is 0.05-0.1mm, which is difficult to be solved by traditional welding methods. TIG welding is easy to weld through, and the plasma stability is poor. Due to many factors, the actual effect of laser welding is very good, and it has been widely used.
Special advantages of laser welding machine: The laser for precision parts welding can be bent and transmitted by optical methods such as fiber, prism, etc., which is suitable for the welding of miniature parts and other parts that are difficult to achieve by welding methods, and can also be welded through transparent materials.
High energy density, fast welding speed, small heat affected zone and welding deformation, especially suitable for the welding of thermal sensitive materials. Lasers used to weld precision parts are not affected by electromagnetic fields, do not produce X-rays, and are not protected by vacuum, so they can be used to weld large structures.
The insulated wire can be welded directly without stripping the insulation layer in advance. It can also weld different materials with large differences in physical properties.
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