What to check when the cutting quality of fiber laser cutting machine is not good

Fiber laser cutting equipment has some more or less problems in the process of using, such as slow cutting speed, damage to the cutting nozzle, etc., resulting in unsatisfactory cutting quality. When the cutting quality of the fiber laser cutting machine is not satisfactory, it is recommended to perform a general inspection first. The content and order of the inspection are as follows:

1. Cutting height, it is recommended that the actual cutting height be between 0.8~1.2mm. If the actual cutting height is not accurate, calibration is required;

2. Cutting nozzle, check whether the model and size of the cutting nozzle are wrong, check whether the cutting nozzle is damaged, and whether the roundness is normal;

3. Optical center. It is recommended to use a cutting nozzle with a diameter of 1.0 for optical center inspection. The focus is between -1 and 1, so that the light spot is small and easy to observe;

4. Protect the lens, check whether the lens is clean, it must be water-free, oil-free and free of scum points. Sometimes, the protective lens may be fogged due to weather or auxiliary gas;

5. Focus check to see if the focus is set correctly.

If all five items are checked and there is no problem, then modify the parameters according to the phenomenon. In addition to the above points, the cutting accuracy of different materials is also slightly different. Even if it is the same material, if the composition of the material is different, the cutting accuracy will be different. Therefore, the material of the workpiece also has a certain influence on the accuracy of laser cutting.

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