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Maintenance of unclear marking of CO2 laser marking machine

Author: ComeFrom: Date:2020/5/21 21:56:52 Hits:1985
In the non-metallic material marking industry, carbon dioxide laser marking machine is a popular choice. Because the wavelength of the CO2 laser in non-metallic materials is conducive to the absorption of non-metallic materials, that is to say, the CO2 laser marking machine is a good marking effect on non-metallic parts among many laser marking machines.

However, the decrease of laser intensity during the working process of the CO2 laser marking machine is a headache, which seriously affects the marking effect in the processing process and makes the mark not clear enough. To solve this problem, we must inspect and repair the CO2 laser marking machine equipment.

Mainly start from the following aspects:
1. Check whether the laser resonant cavity has changed, and fine-tune the resonator lens to ensure that the output spot reaches a good state;
2. Measure whether the laser entering the galvanometer is off-center, and adjust the laser;
3. Check whether the acousto-optic crystal offset or the output energy of the acousto-optic power supply is low, adjust the position of the acousto-optic crystal or increase the working current of the acousto-optic power supply;
Fourth, if the current is adjusted to about 20A and the sensitivity is not strong enough, it proves that the krypton lamp is aging and it is urgent to replace the new lamp.

If the above points are in place, the problem of unclear marking of the CO2 laser marking machine can basically be solved.