Anodised aluminium

Laser marking of anodised aluminium

Laser marking of anodised aluminium is one of the most common applications of laser technology. Anodizing aluminium is a proven method of protection against external influences, but also a popular design treatment – thanks to the possibility to choose from a wide range of colours. Laser technology allows these surfaces to be marked quickly, permanently and with high contrast.

How laser marking of anodizing works

Using crystal and fiber lasers, we remove the top colored layer of anodizing to reveal a light-colored substrate, usually nearly white.

Depending on the customer’s requirements, the layer can be removed partially or completely down to the aluminium itself. This method is fast and suitable even for complex shapes and delicate drawings.

Heat marking for high optical contrast

In addition to engraving, we also offer thermal treatment of the anodised surface, for example with the LLS-F20P EP laser. By specific frequency and power settings, the surface can be written directly in shades of grey up to black. While this process is slower than conventional engraving, it allows unique design effects to be achieved without disturbing the top layer of the product.

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Laser marking of anodized aluminium as a service or customized equipment

Do you want your own machine for laser marking of anodized aluminium?
We will design and build a machine exactly for your production, including testing in our application laboratory.

Are you looking for custom marking of anodized aluminum?
We provide precision cutting for you at our custom fabrication center.

We can demonstrate most of the technologies we offer live or make samples.

We can help you expand the capabilities of your facility to suit your needs.

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