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Essential demand for plastic surface by plastic laser welding

by:J&D WATER     2020-02-27
Here I believe that many people are very skeptical about plastic laser welding. In fact, it is not the case. In the early days, several commonly used plastic welding methods were roughly divided into vibration welding and hot plate welding, laser Plastic welding is a new technology developed only in several years. Compared with the old plastic welding technology, I will not explain it in detail. We will compare it more intuitively with a picture. In fact, there are only two points that need to be paid special attention to when conducting plastic laser welding. One is whether the material of plastic material itself can effectively absorb the laser beam generated by the laser welding machine, I would like to add another point here. Not all plastic materials can be laser welded, so I listed the plastic material itself in the first place. The second is the wavelength produced by laser welding machine. Most Common Laser welding machines use YAG or CO2 as light source. With the rapid development of semiconductor material industry, semiconductor laser as light source has gradually been applied. And also integrated into plastic laser welding. The first two of the above three laser light sources are commonly used in the material processing industry. However, plastic laser welding has no requirements on the power of the light source, but has very high requirements on controllability and operability, therefore, the use of semiconductor light sources in plastic welding is also a good place.
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