How to Solve the Problem -If the Fiber Laser Cutting/ Engraving Machine with Poor Cutting Quality?

Hello, good afternoon, my dear friends! Today I want to tell you a method about solving laser cutter with poor cutting. Fiber laser cutting/ engraving machine is a kind of laser cutting method that uses a fiber laser generator as the optical source. Fiber laser is a new type of laser beam that is newly developed in the world. It outputs a high-energy-density laser beam which focuses on the surface of the workpiece, melting and vaporizing the area illuminated by the ultra-fine focal spot. Then the spot is moved by the numerical control mechanical system to achieve automatic cutting with high speed and high precision.

For beginners who are new to the fiber laser cutting machine, they will be in trouble when encountering poor cutting quality. How to adjust the machine in the face of numerous parameters? Let’s have a look at the solution!

The parameters that can affect the cutting quality mainly include: cutting height, cutting nozzle model, focus position, cutting power, cutting frequency, cutting duty cycle, cutting pressure and cutting speed. Hardware conditions include: protective lens, gas purity, sheet metals quality, focusing mirror and collimating mirror.

In the case of poor cutting quality, it is recommended to conduct a general inspection on the fiber metal cutting machine first. The main inspection content and orders are:

 1. Cutting height
The actual cutting height is recommended to be between 0.8-1.2mm. If it is not accurate, calibration is required.
2. Nozzle inspection
Check whether the nozzle model and size are wrong. If it is correct, check if the cutting nozzle is damaged, or if the roundness is normal.
3. Optical center
It is recommended to use a cutting torch with a diameter of 1.0mm for optical inspection. When checking the optical center, the focus is preferably between -1 and 1mm. The light spot thus produced is small and easy to observe.

4. Protective lens
Check whether the protective lens is clean and free of water, oil and slag. Sometimes the lens is fogged because of the weather or the cold auxiliary air.
5. Focal point
Check whether the focal point is set correctly. If it is an auto-focusing cutting head, be sure to check if the focus is correct.

After the above 5 items are checked and there are no problems happening, the parameters should be modified according to the cutting effect.

This is how to examine the laser cutter why with poor cutting quality. And how to adjust the parameters I will tell you in next post! If you have any other needs or questions welcome to contact us at any time. We will provide you the best quality product and service. Hope my article can be useful to you. Thank you for your reading.

Nanjing Feiyue paper Industrial Co.,ltd
www.feiyuepaper.com
Email: sales@feiyuepaper.com 
jenny@feiyuepaper.com
Whatsapp: +8618755150383

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