Laser engraving machine failure points

Feb 05, 2023 Zanechat vzkaz

1. The fulcrum of the laser tube installation should be reasonable, and the fulcrum should be at 1/4 of the total length of the laser tube, otherwise the laser tube spot pattern will deteriorate, and some light spots will become several points after a period of work, resulting in a drop in laser power that cannot meet the requirements, resulting in Change the tube constantly, carefully read the "Precautions for Using the Laser Tube".
2. The cooling system should be grounded, and the water tank and waterway should be cleaned frequently. The temperature control point of the cooling temperature control water tank should be reasonable, otherwise the laser tube will be easily damaged and the power of condensation will drop, the cold water head of the tube will fall off, and the life will be greatly shortened. Change tubes constantly.
3. The water protection should be checked and cleaned frequently. The cooling water often cannot be flushed with the water protection float switch or the water protection float switch does not reset, and the short circuit method cannot be used to solve the urgent need. The quality of the cooling water is better, the aluminum oxide of the faucet is too serious, and the dirt in the water pump, water pipe and water protection should be cleaned regularly after a period of use, otherwise the laser tube will burst or the cold water head will fall off.
4. The suction device should be checked and cleaned regularly, and the fan duct should be cleaned. Otherwise, a lot of smoke and dust will not be discharged, which will seriously and quickly pollute the lens and laser tube, making the mechanical and electronic components easy to oxidize and cause poor contact.
5. Check the focusing mirror and reflector. After working for a while, the frame will heat up, the surface of the lens will change color and rust; Water will quickly accumulate on the surface, so it is necessary to check the cleanliness and quality of the optical system of the lens (laser tube light outlet) on time.
6. The working environment of the machine should not be too harsh. If the ambient temperature is higher than 30 degrees and lower than 18 degrees, there will be too much dust and serious air pollution, so that the machine will be seriously damaged and the failure rate will continue to rise; in humid environments, electrical accessories are easy to Something went wrong. Therefore, we would like to remind customers to improve the working environment and maintain the machine frequently.
7. The power of the power grid should match. The power distribution and contact points of each part of the whole equipment must be good (fans, water coolers, laser machines, laser power supplies, and computers must be powered independently).
8. The working current of the laser tube should be reasonable, and it cannot work at a light intensity of 90-100 for a long time; it is necessary to rationalize the application of laser and save laser energy; the optical path system must be cleaned correctly, otherwise the laser tube will be prematurely aged and broken, so the laser machine works with strong light It should be adjusted at 50-60% and then adjust the working speed according to the material, this is the best working state of the laser tube.
9. The bottom plate and the processed materials should be flat, otherwise the focal length will be inconsistent and some places will not be cut through. This will increase the light intensity and cause rapid aging of the laser tube.
10. The heat dissipation of the laser power supply should be smooth, otherwise, once the working current is adjusted to more than 50%, the temperature will rise very high, which will increase the failure rate of the laser power supply. For TM series machines, the side door can be removed to dissipate the heat from the power supply directly.

 

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