Fiber laser cutting machines decline power reasons

Fiber laser cutting machines have some more or less losses in the long-term use process. Such as slow cutting speed and poor cutting accuracy. Many people think that the laser power reduce. There are many reasons that affect the power reduction of laser cutting machines, not necessarily the problem of lasers. We will help you analyze the reasons for the power drop of the fiber laser cutting machine. And fiber laser cutting machines decline power reasons.

First, the focus position, the focus position affects the cutting accuracy, especially the focus spot diameter.

The focal spot diameter should be as small as possible to produce a narrow slit. And the focal spot diameter is proportional to the focal depth of the focusing lens. Then the smaller the focal depth of the focusing lens, the smaller the focal spot diameter.

 

Second, the distance of the nozzle, the distance between the workpiece and the nozzle also affects the power of the fiber laser cutting machine.

If the distance is too far, it will cause unnecessary waste of kinetic energy. If the distance is too close, it will affect the dispersing ability of the spattered cutting products. The suitable distance is 0.8mm. In addition, the fiber laser cutting machine cuts the surface of the workpiece by the follow-up adjustment. To achieve, the height of the nozzle and the workpiece must be consistent throughout the operation.

Third, the cutting speed, the cutting speed has a great influence on the power of the fiber laser cutting machine, and the cutting speed is proportional to the power of the fiber laser cutting machine.

At the same time, the cutting quality is related to the quality of the laser beam. In addition, it is related to the characteristics of the laser beam focusing system, that is, the size of the laser beam after focusing has a great influence on the laser cutting quality.

Forth, the size of the auxiliary gas, auxiliary gas and gas pressure also affects the power of the fiber laser cutting machine.

The auxiliary gas uses compressed air or inert gas. If the thickness of the processed material increase or the cutting speed is slow. And the gas pressure should appropriately lower. And the lower gas pressure cutting can prevent the edge from being frost.

If the first 4 items have been excluded, the final check is whether the laser power degrade. Any component that ages after use for a long time will have some parts aging. The laser is the core component of a fiber laser cutting machine and will experience a power drop after prolonged use. In addition to the above points, the performance, size and thickness of the processed material will also affect the power reduction of the fiber laser cutting machine.