Copper is a highly reflective material, copper welding has been a very difficult technical problem to overcome, but in the copper products related processing industry in the welding of copper parts, not only to ensure the firmness of the weld, but also to ensure that the appearance of the weld will not affect the appearance. This is due to the cognition of welding equipment before welding. At present, what can meet the requirements in china is the composite 2kw fiber laser welder. The laser source of the composite laser welding machine is the combination of fiber continuous laser and semiconductor continuous laser source. Then choose the corresponding data according to the different quality of copper material, adjust the welding temperature, Angle, light wave and so on, so that the data can reach a stable value, in order to ensure that there will be no problems in the welding process, to ensure the welding quality. The application of 2kw laser welder in copper welding is introduced below.
General laser welding machine in the welding of copper material products, usually adopt the method of improving the laser power to overcome the reflection problem of the material, ensure that there is enough material transmission to the copper, will provide the temperature of the copper material, which makes the reflectivity of the copper material reduced.
Copper welding in the current commonly used welding technology arc welding, resistance welding, brazing, electron beam welding and so on. Arc welding is the most widely used welding method at present, including manual arc welding, submerged arc welding, tungsten gas shielded arc welding, plasma arc welding, fusion gas shielded welding and so on. However, all the welding methods mentioned above have their own disadvantages, such as space limitation, and it is not easy to operate fine devices, etc.2kw laser welding machine not only does not have the above disadvantages, but also can carry out accurate energy control, and can realize the welding of precision micro devices. And it can be applied to a lot of metals, especially to solve some difficult metal and dissimilar metal welding.
Compared with traditional welding, laser welding has the following advantages:
- In the traditional welding method, the heating surface is relatively large, and the welding part is easily deformed due to the effect of heat, and the welding surface is not flat enough. The heating surface of copper laser welding is very small, because the size of the welding spot can be automatically adjusted. And the maximum temperature can be controlled, so there will be no deformation caused by large heating surface or high temperature.
- For copper laser welding, the high temperature emitted by the laser beam acts on the surface of the welded body without the need for contact with the appliance. This can reduce the loss of parts and components, thereby reducing the investment, and it will not produce electrode pollution.
- The diameter of the laser beam is adjustable, even if the welding surface is very small, it can also be very good welding. And adapt to the material is also very much, the application range is very wide. At the same time, it can avoid the interference of magnetic field, because it is not like arc welding, etc., with the interference of magnetic field can not complete the task well. Even welding between different metals can be done by laser welding. Laser welding of copper is simple, accurate and adaptable.
Above is the application of laser welding machine on the copper welding, laser welding machine is a new type of welding, weld width is small, small heat affected zone, small deformation, welding speed, welding seam smooth, beautiful, without processing or simply processing after welding, welding quality is high, no pores, can accurate control, focusing on small points of light, high positioning accuracy, easy to realize automation. Although the welding on copper is more difficult, but it is not impossible to overcome, in the copper welding processing also gradually developed.
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Fiber Laser Welding Machine