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In the industry, we often see the use of hairless board. This kind of board is produced by modern laser cutting machine disordered texturing technology. Its surface shows disorderly pockmarking, deep drawing and extensibility of this kind of board. Very high, compared to the performance of EDM technology, the performance of the board is better.
By using a fiber laser to disorderly roll the roller, the height of the boss is 2-25μm, the diameter of the smallest dot is 75μm, the depth of the pit is also 2-20μm, and the surface roughness of the roller can reach 0.5-15μm. The correlation between roughness Ra and Rpc per cm is small. Rpc up to 40-120.
We can see that each of the texturing points will have a boss, which will be protected by carbon dioxide during the metallurgical fusing process, and the laser heating and cooling will be very fast, so the resulting bosses will become harder. Boss transfer rate is generally 80%, so it will increase the amount of steel roll.
Among them, the fiber-optic laser has a high photoelectric conversion rate and a good beam quality. The equipment is imported from abroad and can achieve a photoelectric conversion efficiency of 28%. Laser cutting machines using fiber lasers can operate stably for a long time and can meet more production line requirements, so this disordered texturing technology can reduce the operating cost characteristics.
The texturing process can be set according to specific requirements. Various processing parameters can be adjusted for different shapes of steel plates, such as laser power, axial density, circumferential frequency distribution, side blowing type, side blowing angle and flow rate, etc. Discharge the corresponding profile roll.
This kind of technical operation of the laser cutting machine is simpler. Through the mass processing programs stored in the numerical control system, different axial line densities, circumferential frequency zones, and laser power can be set according to different roughness and spindle speed requirements of the roller. Establish a laser texturing process database. The operator only needs to call up the corresponding application program according to the requirements of the thickness, set the starting point and end point parameters, complete one-button operation.
Editing: kunshanwl
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