Water-assisted laser is a manifestation of physical phenomena: light can be absorbed by the spread of water, vaporized by heat and form a plasma, which then expands and extinguishes. Followed by shock wave propagation, resulting in bubble growth and collapse. With the continuous improvement of laser technology and the continuous development of new laser technology, both stimulate the research and development of water-assist laser. We can compare the advantages and disadvantages of water-assist laser to see the feasibility and advantages of this technology Which.
Water-assisted laser processing advantages:
1, light can be transmitted through the water jet.
2, due to water restrictions, can produce more powerful plasma.
3, water convection and evaporation can take away the residue generated in the cut.
4, to be able to more effectively cool the workpiece and the residue and the discharge.
5, can use some of the material and water chemical reaction.
6, reducing the waste and some suspended particles on the pollution of the environment.
7, a higher optical breakdown than the air.
Disadvantages of water to help cut:
1, the light will be absorbed by the water and some residues in the cutting process.
2, the light will be suspended by the water surface and bubbles scattered.
3, the energy will be due to the gradual cooling of water damage.
4, the chemical reaction of materials and water may have a reaction.
5, water photolysis may lead to explosion risk.
6, need more auxiliary equipment to assist.
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