Laser cutting machine working principle

Laser cutting machine equipment as a new type of tool is now more and more mature to use in various industries? Including laser cutting machine, laser engraving machine, laser marking machine, laser welding machine and so on. So how does laser cutting work? How does laser cutting differ?

First, the energy of the laser is concentrated in the form of light into a high-density beam. The beam is delivered to the work surface, generates enough heat, melts the material, and removes the molten metal directly from the high-pressure gas coaxial to the beam. This shows that the laser cutting process is essentially different from the machining of machine tools.

It uses the laser beam emitted from the laser generator? Through the optical system? Focusing on the laser beam irradiation conditions of high power density? Laser heat is absorbed by the workpiece material? The temperature of the workpiece rises sharply? After reaching the boiling point, the material begins to vaporize and form holes • The flow of air with high pressure? As the beam moves relative to the workpiece, the material eventually forms a slit. The process parameters (cutting speed, laser power, gas pressure, etc.) and trajectory during the slitting are all controlled by the numerical control system. The slag at the kerf is blown by the auxiliary gas with a certain pressure.

In general, the quality of laser cutting can be measured by the following six criteria.

1. Cutting surface roughness Rz

2. Cutting slag size

3. Trimming perpendicularity and slope u

4 cutting edge corner size r

5. After the stripe drag n

6. Flatness F

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EDM Graphite

EDM graphite, also known as graphite block for EDM, is a new type of material, which is now more and more widely used in the precision mold processing industry. At present, in mold processing plants in developed European countries, more than 90% of mold processing electrode materials are graphite. Copper, the once dominant electrode material, has almost lost its advantages compared with graphite electrodes.

Our isostatic graphite and Molded Graphite were tested at the National Electrical Carbon Products Quality Supervision and Inspection Center. The main physical and chemical performance index as follows: the compressive strength--125 mpa, shore hardness -- 65 degrees, resistivity --12 mu Ω m. At the same time, the 10μm,8μm,6μm,4μm products have already began Large-scale production,.and unanimously acknowledged by customers. The 2μm,1μm graphite products are under trial. Our company high quality of isostatic pressing special graphite yield above 90%, far ahead of industry the yield of 70%, the first in the country.

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