What are the main applications of laser welding machines? What are the advantages?

Laser welding is one of the important aspects of the application of laser material processing technology. 1970s is mainly used for welding thin-walled materials and low-speed welding, the welding process is heat conduction type, that is, the laser radiation heats the surface of the workpiece, the surface heat spreads to the interior through heat conduction, by controlling the width of the laser pulse, energy, peak power, and repetition frequency and other parameters, so that the workpiece melts, forming a specific molten pool. Due to its unique advantages, it has been successfully applied in precision welding of micro and small parts. The emergence of high-power CO2 and high-power YAG lasers has opened up a new field of laser welding. Obtained a small hole effect as the theoretical basis of deep fusion welding, in the mechanical, automotive, steel and other industrial fields have gained an increasingly wide range of applications.

Compared with other welding technologies, laser welding has the following main advantages:

1, fast speed, depth, deformation is small

2, can be welded refractory materials such as titanium, quartz, etc., and can be welded to the anisotropic materials, the effect is good.

3, can be micro-welding. The laser beam can be focused to obtain a small spot, and can be accurately positioned, can be applied to high-volume automated production of micro and small workpiece welding.

4, can be at room temperature or special conditions for welding, welding equipment device is simple. For example, the laser through the electromagnetic field, the beam will not be offset; laser in a vacuum, air and some kind of gas environment can be welded, and can be transparent through the glass or the beam of the material to be welded.

5, laser focus, high power density, welding in high-power devices, the depth-to-width ratio of up to 5:1, up to 10:1.

6, the laser beam is easy to realize the beam according to the time and space to split the light, can be multi-beam simultaneous processing and multi-position processing, for a more precise welding

7, can be welded to difficult to access parts of the implementation of the non-contact welding at a distance, with a great deal of flexibility. Has great flexibility. Especially in recent years, the YAG laser processing technology in the use of fiber optic transmission technology, so that laser welding technology has been more widely promoted and applied.