Advanced Laser Engraving Tutorial 04—The Effect of Blowing on Engraving

Item list:
Machine: Laser engraving machine (80W)
Glued wood: 3mm
parameter settings:
Engraving power: 15%
Engraving interval: 0.08
Focal length: 6mm
Many people do n’t understand why blowing air will also affect the carving to varying degrees.Do you know that powder is also produced when engraving, it will adsorb on the surface of the engraving material. When engraving, it will affect the use of laser lenses and the effect of laser engraving under certain circumstances.
 According to the effect of the above picture, we can see that from top to bottom, as the air blowing becomes weaker and weaker, the color of the text becomes lighter

Not blowing
Weak blow
Strong blow

After observing the details of the edges of the text again, we found that when the air is not blown, the edges of the text are hardly yellow; when it is strongly blown, it is a little yellow; when it is weakly blown, the edge of the text is yellowest.

Although the edges are not yellow when not blowing, the dust generated during the engraving process will be adsorbed on the focusing lens. If it is not cleaned in time, the engraving effect will be reduced, and even the lens will be damaged.

So in general, in order to protect the focusing lens, we recommend that you choose to blow air without affecting the engraving effect.

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