Views: 0 Author: HanTenCNC Publish Time: 2021-10-02 Origin: Site
The scientific name of laser cleaning is laser ablation or photoablation, which is the process of removing material from a solid (or sometimes liquid) surface by irradiating it with a laser beam. At low laser flux, the material is heated by the absorbed laser energy and evaporates or sublimates. Under high laser flux, the material is usually converted to plasma. Generally, laser ablation refers to the removal of material with a pulsed laser, but if the laser intensity is high enough, a continuous wave laser beam can be used to ablate the material. Excimer lasers of deep ultraviolet light are mainly used for photoablation. The wavelength of the laser used for photoablation is about 200 nm.
Moreover, laser energy can be selectively absorbed by coatings (especially metals). Therefore, CO2 or Nd: YAG pulsed lasers can be used to clean the surface and remove paint or coatings. The surface and the lower surface to be sprayed will not be damaged.
At present, laser cleaning equipment has 100W-1000W, which is very suitable for tires and steel. Compared with traditional dry ice and pickling, laser cleaning has the effects of low cost, environmental protection, and short investment recovery period. It is an upgrade of industrial dry ice and pickling.
1. The laser source is different
100w laser cleaning machine is used Q-switched laser source, with high single pulse energy, which can clean the material quickly, and with little damage to raw materials.
1000w laser cleaning machine is used continuous light laser source, with lower single pulse energy, need long time to cleaning, will cause certain damage to the surface of the raw material.
2. Different power consumption
100w laser cleaning machine: the whole machine power is less than 1000w,
1000w laser cleaning machine: the whole machine power is about 5000-6000w.
3. The 100w laser cleaning machine is half smaller than the 1000w laser cleaning machine
4. The cooling system is different
100w laser cleaning machine use air cooling system, 1000w laser cleaning machine use water cooling system.
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