The first method: Since the light spot is the smallest at the focal point of the laser cutting machine, press the “Spot” key to determine the focal length according to the size of the light spot. That is, when the light spot is the smallest, it can be regarded as the optimal height of the laser head when cutting the object. Put an object under the laser head and adjust the height of the laser head. When the laser head is at a different height, press the “Spot” button to observe the size of the light spot. You can adjust the position of the laser head to find out The area of the laser head with a small light spot, and then finely adjust the height of the laser head in this area. When the light spot is the smallest, it can be regarded as the position of the laser head we want to adjust.
The second method: Since the light intensity is the strongest at the laser focal length of the laser engraving machine, the position of the focal length is determined according to the depth of the laser on the object during self-test. Put an object under the laser head and adjust the height of the laser head. When the laser head is at a different height, press and hold the “positioning” key for more than 3 seconds. Good height. That is, the height of the laser head we want to adjust.
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