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Engraving on Metal
How is metal engraving done?
1/27/20261 min read
Image preparation
The chosen image must be processed to adapt it to the material and, above all, converted into a negative. Why? Because, for example, when working on a black background, as in the example, everything that is black in the original image must not be engraved, as this would produce the opposite effect. To explain further, when engraved, enamelled aluminium surfaces show the background colour (silver), so to obtain dark areas such as objects or other details, these must not be touched. This is why we need to think in reverse, and this is the reason for inverting the image into a negative.
Which laser should be used?
Different engraving techniques can be used depending on the material and design. To engrave metal, and in this specific case aluminum, we use a diode laser, setting a different laser beam wavelength than the one used for wood. We are talking about 1064 nm (nanometers).
The starting material
We love engraving on these enameled aluminum plates because of their compact size and, above all, because of the results we are able to achieve... after many tests!
Conclusion
The final effect is striking, both in terms of the details and the contrast achieved!
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Embroidery
Engravings
