What should I do when the laser marking machine lens is not clearly marked?

What should I do when the laser marking machine is not clearly marking? We usually encounter this kind of more common problem when we use the marking machine. For example, we are not clear when we are marking. This common solution is to observe whether the laser resonant cavity changes? Fine-tune the resonator lens to adjust the output spot to a proper focus;

Acoustic-optic crystals are cheap or the output energy of the acousto-optic light source is low. Adjust the position of the acousto-optic crystal or increase the power supply of the acousto-optic crystal. Flow; the laser entering the galvanometer is off-center: adjust the laser; if the current is adjusted to about 20A, it still feels.

The reason for the unclear marking of the laser marking machine:

(1) The lens is too dirty, wipe it with a cotton swab moistened with alcohol, and then gently wipe the mirror surface.

(2) Marking speed can be reduced, thereby increasing the density of addition;

(3) The power supply current of the laser is not turned on or the power flow is small, Turn on the power supply current or change the power of the power supply current;

(4) The life of the laser, it may be that the life of the laser is reached and the laser needs to be replaced.

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