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The difference between continuous laser welding and pulsed laser welding

Views:0     Author:hu     Publish Time: 2021-08-21      Origin:dapeng

The difference between continuous laser welding and pulsed laser welding

Laser welding is one of the important aspects of the application of laser material processing technology. The laser welding machines of laser welding machine manufacturers are mainly divided into pulse laser welding and continuous laser welding.

Pulse laser welding machine


Pulsed laser is mainly used for spot welding and seam welding of thin-walled metal materials with a thickness of less than 1mm. The welding process is thermally conductive, that is, the surface of the workpiece is heated by laser radiation, and then diffused into the material through heat conduction. By controlling the waveform, width, and width of the laser pulse Parameters such as peak power and repetition frequency make a good connection between the workpieces. It has a large number of applications in 3 C product shells, lithium batteries, electronic components, mold repair welding and other industries.


The advantages of pulsed laser welding are that the overall temperature rise of the workpiece is small, the range of heat influence is small, and the deformation of the workpiece is small.

Continuous laser welding machine


CW laser welding is mostly high-power lasers with a power above 500 watts. Generally, such lasers should be used for plates above 1 mm. The welding mechanism is deep penetration welding based on the pinhole effect, with a large aspect ratio, which can reach more than 5:1, fast welding speed, and small thermal deformation. It has a wide range of applications in industries such as machinery, automobiles, and ships. There are also some low-power continuous lasers with power between tens to hundreds of watts. They are used more in plastic welding and laser brazing industries.


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