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The cause of power drop of laser cutting machine-Flora
Release time:
2020-08-14
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In the long-term use of laser cutting machines, there are problems such as slower cutting speed and poor cutting accuracy. The laser power has dropped. There are many reasons that affect the power of
Analysis of the cause of power drop of laser cutting machine
In the long-term use of laser cutting machines, there are problems such as slower cutting speed and poor cutting accuracy. The laser power has dropped. There are many reasons that affect the power of the laser cutting machine, not necessarily the laser.
First, focus position
It will affect the cutting accuracy, especially the focal spot diameter. The focal spot diameter should be as small as possible to produce a narrow slit. The focal spot diameter is proportional to the focal depth of the focusing lens. And the smaller the focal depth of the focusing lens, the smaller the focal spot diameter.
Second, nozzle distance
The distance between the workpiece and the nozzle also affects the power drop of the laser cutting machine. Too far away will cause unnecessary waste of kinetic energy. While too close distance will affect the dispersing ability of spattered cutting products. The proper distance is 0.8mm.
Third, cutting speed
The cutting speed has a great influence on the power of the laser cutting machine. And the cutting speed is directly proportional to the power of the laser cutting machine. At the same time, the cutting quality relates to the quality of the laser beam. Besides, it is also related to the characteristics of the laser beam focusing system.
Fourth, Auxiliary gas
The size of the auxiliary gas and the gas pressure also affect the power of the fiber laser cutting machine. The auxiliary gas uses compressed air or inert gas. If the thickness of the material increases or the cutting speed is slow, the gas pressure should be appropriately reduced. Cutting with low air pressure can prevent frosting on the edge cutting.
Besides, in addition to the above points, the performance, size and thickness of the processed material will also affect the power reduction of the laser cutting machine.
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