How to adjust the roundness range of laser spot

The adjustment methods in this case include laser focusing lens adjustment and power density adjustment.

1. Change the spot size by adjusting the position of the laser focusing lens. Move the lens up to increase the light spot, and move the lens down to reduce the light spot.

2. By adjusting the power density of CO2 laser marking machine, the spot size can be changed. Increasing power density can make the spot smaller, while decreasing power density can make the spot larger.

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