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　　Laser welding equipment Can you weld copper? Laser welding is an effective welding method, but many feedback laser welding equipment is difficult to weld on copper products. Why is that? Is there any solution?

This is because copper, as an excellent choice of conductor, has high heat conduction performance and will quickly diffuse heat from the welded joint, so it is difficult to maintain heat balance and conduct reliable welding. This makes the rapid heat conduction of copper a difficult problem in micro welding.

　　Laser welding machine High energy laser beam is used to act on the material surface and melt the material surface to achieve the purpose of welding. When laser welding copper material, the high thermal conductivity of copper material makes the high-energy laser heat diffuse rapidly from the welding joint. At this time, it is difficult to maintain the heat balance of the material and conduct reliable welding.

In principle, this is due to the high reflectivity of copper. Therefore, when welding copper products, general laser welding machines usually use the method of increasing laser power to overcome the reflection problem of materials, ensure that enough materials are transmitted to copper, and provide the temperature of copper materials to reduce the reflectivity of copper materials.

The welding of copper material is a difficult process, and micro copper welding makes the processing more difficult. Laser welding is a practical technology to realize the bonding process of copper materials. It adopts non-contact processing mode and has high welding precision. It is very suitable for automatic processing process. Due to the good thermal conductivity of copper, it is difficult to weld, so attention must be paid in the process of use.

Laser welding machine is a new welding method. It has the advantages of small weld width, small heat affected zone, small deformation, fast welding speed, flat and beautiful weld, no treatment or simple processing after welding, high weld quality, no pores, controllable, small focus light spots, high positioning accuracy and easy automation. Although the welding on copper is difficult, it is not insurmountable, and the welding processing of copper is gradually developed.