Is the sound of galvanometer of the laser marking machine loud?

in FAQs about Laser Marking, , ,

When the laser marking machine is not working, the sound of the galvanometer is not too loud. When the red light is positioned, the sound is a little bigger; and the sound of red light preview is different in different positions and sizes of items. Is this normal please?

If the sound of the galvanometer is too loud, it may be that red light speed is too fast. Normally, about 3000 is enough.

It is normal for the galvanometer to have sound, and the corresponding sound for different size of items is certainly different.

light speed 3000

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