However, you’ll get higher contrast if you buy painted anodized aluminum, which comes in many colors. Anodized aluminum’s natural color is metallic gray. Here’s our step-by-step guide to laser engraving anodized aluminum: Purchase the Right Anodized AluminumĪluminum’s anodized layer comes in different thicknesses and colors. The blend of these reflections bestows anodized aluminum with an attractive sheen surface. Therefore, the light reflects from the pores as well as the substrate underneath. Light infiltrates anodized aluminum’s surface through its pores. Laser etching also creates a high contrast while retaining anodized aluminum’s characteristics. However, laser engraving removes the anodized layer, causing the contrasting aluminum color to shine via the engraving. Therefore, you can’t scratch the paint off anodized aluminum easily. Its surface has countless micro pores that stand like tough straws, so the color dye infiltrates the pores. For example, laser engraving wood or steel generates a much lower contrast than anodized aluminum.Īnodized aluminum’s color is not a mere paint that lays separately on the surface and peels off easily. Many materials don’t yield high-contrast engravings. You can bump the contrast up further by engraving on painted anodized aluminum. For example, you can buy yellow-ish sheets to create high-contrast yellow pet tags. Source: TwitterĪnodized aluminum comes in various colors, offering more design flexibility. Color A sample of anodized aluminum plates in different colors. Plus, the anodized veneer is extremely tough, and resists scratches much better than bare aluminum. The anodized layer has already reacted with oxygen, protecting the metal from further oxidation. Here are some reasons why anodized aluminum is an ideal metal to engrave: RobustnessĪnodized aluminum doesn’t rust and resists abrasion, making engraving anodized aluminum one of the best materials for laser projects for your home and in industry. It’s great for engraving because it comes in many colors, as well as its accessibility – even diode lasers can engrave anodized aluminum and create high-contrast engravings, though you’ll still get the best results from more powerful lasers. However, laser etching is more common than laser engraving in manufacturing, since laser etching retains the anodized layer’s resistance to abrasion and corrosion. Laser engraving anodized aluminum is great for art designs since it’s still pretty durable. Yes, you can engrave and etch anodized aluminum. Final Thoughts Can You Laser Engrave Anodized Aluminum?.What Kind of Laser Do You Need to Laser Engrave Aluminum?.Can You Laser Engrave Aluminum With a Diode Laser?.How Strong of a Laser Do You Need to Engrave Aluminum?.Can Glowforge Engrave Anodized Aluminum?.Can xTool D1 Engrave Anodized Aluminum?.OMTech Lasers (CO2, Fiber, and MOPA Fiber Lasers).Some Good Options for Engraving Aluminum.Does Laser Engraving Destroy Anodized Aluminum?.Laser Settings for Etching Anodized Aluminum.Laser Settings for Engraving Anodized Aluminum.Can You Laser Engrave Anodized Aluminum?.
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