Laser Etching On Anodized Aluminum

Black laser marking on anodized aluminum.
Laser etching on anodized aluminum. Laser marking anodized aluminum is a selective process known as laser etching. There are two types of lasers used for etching or scribing laser engraving metal surfaces. Another important point when engraving anodized aluminium is that the engraving must be done fast. The laser beam only removes the anodized layer from the aluminum piece resulting in high quality marks.
Yag for yttrium aluminum garnet is a crystalline solid state laser that emits a wavelength of 1 064 micrometers 1064 nanometers. This instructable will show you how to use a laser cutter to etch anodized aluminum. Barcodes data matrix codes dmc alphanumeric numbers can be engraved directly on the surface. Laser machines are an ideal technology for marking and engraving on anodized aluminum and can be used with both co2 and fiber systems.
When engraving onto anodized aluminum it is important that the vector graphic is produced using a rgb colour palette and that the engraving colour is black rgb value 0 0 0. Anodised aluminium can be engraved efficiently and precisely with a laser machine. Depending on the color of the anodized aluminum itself a fiber marking laser can efficiently produce darker marks while a co2 marking system can produce bright engraving with contrast. In this case the ls 1630 produced excellent r.
One piece of equipment they have i. This will give the most contrast when engraved. Here s a sample boss laser did for a customer laser marking etching or engraving a logo on anodized aluminum. I live near a diy workshop called techshop they have 1m worth of equipment that i can get access to for about 100 a month.
A white marking is produced when the anodised layer is removed. See all the benefits associated with the use of an automated or manually loaded laser marker. Produce high quality dark markings on anodised aluminium. While this method is perfectly suited for coloured anodised coatings for natural anodised.
The color of the mark is highly contrasted between the anodized aluminum and the laser induced mark. Laser etching anodized aluminum.