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Analysis On The Reason Of Fiber Laser Cutting Machine Power Decline

Shenzhen MG Technology Co.,Ltd | Updated: Apr 20, 2016

Optical fiber laser cutting machine in the long term using, will have some more or less loss, such as cutting speed becomes slow, the cutting accuracy becomes poor and so on, many people think that is the laser source power decreased. There are many reasons for the decline of power machine, which is not necessarily the problem of laser source. The following might be the reasons for the power decline:

 

The first is the focus position, the focus position affects the cutting precision, especially the focal spot diameter. Focal spot diameter is as smaller as better, in order to produce a narrow slit; focal spot diameter and the focusing lens is proportional, the focal depth is smaller, focal spot diameter is smaller.

 

The distance between the nozzle and the workpiece is also affected the power decreasing of machine. Too much distance will cause unnecessary waste of energy, too close will affect the disintegration of the cleaved product ability to disperse, the appropriate distance is 0.8mm. Another optical fiber laser cutting machine of surface roughness of the workpiece cutting mainly rely on the servo control to achieve, in the running process of the nozzle to the workpiece to always maintain the same.

 

Again is the cutting speed, cutting speed on the power of the optical fiber laser cutting machine has a great impact, cutting speed and fiber laser cutting machine power is proportional to. At the same time, the cutting quality is related to the quality of the laser beam, and it is also related to the characteristics of the laser beam focusing system, that is, the size of the laser beam focusing has a great influence on the quality of laser cutting.

 

Then the auxiliary gas, auxiliary gas and gas pressure on the size of the optical fiber laser cutting machine power is also affected, the best use of auxiliary gas compressed air or inert gas. If the thickness of the material is increased or the cutting speed is lower, the gas pressure should be reduced appropriately, and the cutting edge of the cutting edge can be prevented by using the lower gas pressure.

 

Finally, the laser power, if the first 4 have been excluded, before considering the laser power is down. Any equipment for a long time after use, there will be some part of the phenomenon of aging. Laser is the most important part of the core of the optical fiber laser cutting machine, in a long time after use, there will be a decline in power. In addition to the above points and materials processing performance, size and thickness, etc. will influence fiber laser cutting machine power down.

 

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