Small laser marking machine Laser marking machine operation precautions

Precautions for the operation of the semiconductor laser marking machine:

The following points must be paid attention to when operating the semiconductor laser marking machine; ;2. No-load operation of Q power supply is not allowed (that is, the output terminal of Q-switched power supply is suspended); 3. If there is an abnormal phenomenon, first turn off the galvanometer switch and key switch, and then check; 5. Note that the output end (anode) of the laser power supply is suspended in the air to prevent ignition and breakdown with other electrical appliances; 6. Keep the inner circulating water clean. Regularly clean the water tank and change to clean deionized water or pure water

Before turning on the acousto-optic power supply of the semiconductor laser marking machine, be sure to make the acousto-optic devices of the semiconductor laser marking machine fully Cooling with water, otherwise the acousto-optic device will be burned; and the output must be connected to the acousto-optic device or a pure resistance load of 50Ω/60W through a 50Ω coaxial cable, otherwise the power amplifier tube will be heated due to the reflected wave, which will cause the power amplifier tube to heat up. burn out. The lower limit temperature of semiconductor laser marking machine is generally set at 25°C, but in order to prevent condensation due to excessive temperature difference, the working temperature is generally set according to the environment and humidity. If the ambient temperature is 32°C, the temperature can be set at 28°C. If the ambient temperature is lower than the lower limit temperature of 20°C, it is set at 20°C. Generally not lower than the ambient temperature 5 ℃, otherwise condensation will cause the laser power to drop, and may bring destructive loss.

Wrong operation sequence will cause the laser of the semiconductor laser marking machine to not work normally. The shell of the semiconductor laser marking machine must be grounded reliably, otherwise it may cause damage to the precision galvanometer lens. In addition, the positive and negative polarities of the power output are consistent with the positive and negative polarities of the krypton lamp. The wrong connection method will cause serious damage to the krypton lamp, and may cause damage to the rod and the condenser. In the state of no laser, it is strictly forbidden to arbitrarily mobilize the mirror frame. Otherwise, the laser may not output laser light. The connection between the two ends of the connecting pipe of the semiconductor laser marking machine must be strictly checked for leaks, otherwise the cooling system will not be able to cool.

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