How to deal with the interference of fiber laser marking machine signal

When using the fiber laser marking machine, the signal of the marking machine is disturbed, how to deal with and prevent this from happening?

The main factors of signal interference of fiber laser marking machine are laser power supply and acousto-optic driver. The source of the interference of external power grid fluctuations on the galvanometer is found. When the laser is not turned on When the power driver is used, whether the lines scanned by the indicator light show a wavy line. In the computer, the device is a straight line, but the output is a wavy line. This is the obvious feature of signal interference!

The main sources of interference in the fiber laser marking machine are:

1. Q driver (acoustic-optical power supply), laser power supply

2. Interference transmission channel: electromagnetic wave radiation in circuits and cabinets.

3. Disturbed devices: galvanometer and laser marking card.

Solution when the fiber laser marking machine encounters signal interference: the situation where the wave is printed is compared before There are many, but it is often caused by signal interference. The main factors that interfere with the amplitude mirror signal are the laser power supply and the acousto-optic driver. The source of the interference of the external power grid fluctuations on the galvanometer is investigated. You can try to see if the lines scanned with the indicator light show wavy lines when the laser power driver is not turned on.

In the case of confirming that there is no interference in the previous steps, start the laser power first to see if there is any blue wave phenomenon. Then gradually increase the output power of the laser power supply and observe the traced lines. Then turn on the acousto-optic drive to observe, and at which step the wave phenomenon occurs, it is possible to determine which part of the interference comes from. Once the source of the interference is identified, it is much easier to fix the problem.

(This article is edited by the editor, please be sure to indicate the source:)

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