When using fiber laser machine for processing, enterprises often encounter the problem of plate not cutting through, especially some equipment with a long service life. The emergence of this problem may seriously affect production efficiency and product quality, so it is crucial to find an effective solution. This article will discuss in detail the reasons why fiber laser cutting machine cannot cut through, and propose corresponding solutions.
Ⅰ.Analysis of the Reasons why Plate Cannot be Cut Through
There are many reasons why fiber laser machine cannot cut through plate. The following are some of the most common factors:
1.Laser power drop:
This is one of the most common reasons. The decline in laser power may be due to long-term use, resulting in aging of the lamp tube, so that the energy of the laser beam is insufficient and cannot effectively penetrate the material.
2.Cutting speed is too fast:
Cutting speed is too fast, which will cause the laser beam to not fully act on the material, resulting in poor cutting.
3.Focusing lens damage:
Damage to the focusing lens will make the focusing effect of the laser beam worse, thereby affecting the cutting quality.
4.Optical path error:
The optical path error will cause the energy of the laser beam to be unable to be accurately transmitted to the cutting point, affecting the cutting effect.
5.Unstable voltage:
The unstable voltage will affect the normal operation of the laser, making its output power unstable, resulting in poor cutting.
6.Material problems:
Problems with the material itself, such as uneven material and excessive thickness, will also affect the laser cutting effect.
7.Insufficient auxiliary gas pressure:
Insufficient pressure of auxiliary gas (such as oxygen and nitrogen) will affect the cutting effect and cause incomplete cutting.
8.Cooling system problems:
Poor water quality or poor heat dissipation in the cooling system will cause the equipment to overheat, thus affecting the laser cutting effect.
Ⅱ.Solve the Problem of Fiber Laser Cutting Machine not Cutting Through
For the reasons analyzed above, we can take the following measures to solve the problem of fiber laser cutting machine not cutting through:
1.Replace the laser tube and voltage regulator:
If the laser power decreases, you can consider replacing a new laser tube. At the same time, replace a larger voltage regulator to increase the laser current output and increase the output power of the laser.
2.Reduce the cutting speed:
Appropriately reducing the cutting speed can give the laser beam more time to act on the material, thereby improving the cutting effect.
3.Clean and replace the lens:
Regularly clean the contaminated reflector and replace the damaged focusing lens to maintain the focusing effect of the laser beam and ensure the cutting quality.
4.Adjust the optical path:
Readjust the optical path to ensure that the energy of the laser beam is accurately transmitted to the cutting point. The focal length can be checked and adjusted by making a circular spot on paper.
5.Handling highly reflective materials:
When cutting highly reflective materials such as copper and aluminum, polishing their surfaces in advance or coating them with light-absorbing materials can effectively deal with the problem of high reflectivity and improve the cutting effect.
6.Increasing the auxiliary gas pressure:
Regularly cleaning foreign matter in the nozzle and increasing the pressure of the auxiliary gas can improve cutting efficiency and quality.
7.Maintaining the cooling system:
Regularly replace the distilled water in the cooling system to ensure that the water quality is clean and the heat dissipation effect is good to prevent the equipment from overheating.
Final Thoughts
There are many reasons why the fiber laser cutting machine cannot cut through. Understanding and solving these problems is crucial to improving production efficiency and cutting quality. The failure of the fiber laser cutting machine not cutting through can be effectively solved by replacing the laser tube and voltage regulator, reducing the cutting speed, cleaning and replacing the lens, adjusting the optical path, handling highly reflective materials, increasing the auxiliary gas pressure, and maintaining the cooling system. I hope these suggestions will help you to ensure the efficient operation of the equipment and high-quality cutting results.