{"id":163753,"date":"2021-08-06T15:17:00","date_gmt":"2021-08-06T07:17:00","guid":{"rendered":"http:\/\/facfox.com\/docs\/?post_type=kb&#038;p=163753"},"modified":"2021-10-15T14:55:16","modified_gmt":"2021-10-15T06:55:16","slug":"laser-printing-on-metal-surfaces","status":"publish","type":"kb","link":"https:\/\/facfox.com\/docs\/kb\/laser-printing-on-metal-surfaces","title":{"rendered":"Laser Printing on Metal Surfaces"},"content":{"rendered":"<p>Various types of laser marking systems are used to print or etch marks on metal surfaces. These permanent codes are essential to ensuring that genuine products and parts can be quickly identified. They are used in aerospace and automotive industries, as well as on consumer packaging such as beverage containers and pharmaceutical product packaging.<\/p>\n<p>Laser etching machines include a variety of CO<sub>2<\/sub>, infrared, UV, and fiber laser systems. Since metals are heat-resistant materials, marking metals originally required high-density laser irradiation. These systems mark surfaces in three ways: laser marking, laser etching, or laser engraving.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/img.facfox.com\/imgs\/2021\/10\/fddec312c55cb348.png\" \/><\/p>\n<h2>Typical metals for laser printing include:<\/h2>\n<ul>\n<li>Anodized aluminum<\/li>\n<li>Stainless steel<\/li>\n<li>Coated metals<\/li>\n<\/ul>\n<p><a title=\"Fiber laser marking\" href=\"https:\/\/www.videojet.com\/us\/homepage\/products\/laser-marking-systems\/fiber-lasers.html\">Fiber laser marking<\/a> is the most often used for placing critical marks or codes on stainless steel surfaces. These higher power systems mark identification codes directly on stainless steel parts and on larger products by etching or engraving the surface. These codes may be numeric, alphanumeric, 2D or conventional bar codes.<\/p>\n<p><a title=\"CO2 laser marking\" href=\"https:\/\/www.videojet.com\/us\/homepage\/products\/laser-marking-systems\/high-performance-co2-lasers.html\">CO2 laser marking<\/a> systems using shorter wavelengths than the traditional CO2 laser wavelengths can be used to create marks on metal surfaces such as anodized aluminum. The process removes the color from the aluminum surface, exposing the bare metal surface beneath, creating precise characters for coding.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/img.facfox.com\/imgs\/2021\/10\/e9fbc9ae889944c1.png\" \/><\/p>\n<p>Laser systems are also used to mark surfaces that have been previously prepared by being coated with enamel paints, removing the paint surface to create alphanumeric characters and 2D codes in the exposed metal surface. This process has the advantage of using very low power lasers, reducing costs and speeding production. It also, because of its low power usage, produces little or no fumes or residues, creating a safe environment for workers.<\/p>\n<p>Pre-coated and spray-coated surfaces have also been developed for use in laser engraving metals. These coatings apply a coating that is visible to the laser beam, which fuses the coating to the substrate as the beam passes. These coatings, when touched by the laser beam, change the surface of the metal to a different color (often black, brown, or grey) to create the desired mark.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/img.facfox.com\/imgs\/2021\/10\/577793155467373d.png\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Various types of laser marking systems are used to print or etch marks on metal surfaces. These permanent codes are essential to ensuring that genuine products and parts can be quickly identified. They are used in aerospace and automotive industries, as well as on consumer packaging such as beverage containers and pharmaceutical product packaging. Laser [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":163906,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"kbtopic":[137],"kbtag":[631,630,600,629,175],"class_list":["post-163753","kb","type-kb","status-publish","has-post-thumbnail","hentry","kbtopic-case","kbtag-co2-laser-marking","kbtag-fiber-laser-marking","kbtag-laser-marking","kbtag-laser-printing","kbtag-metal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Laser Printing on Metal Surfaces - FacFox Docs<\/title>\n<meta name=\"description\" content=\"Various types of laser marking systems are used to print or etch marks on metal surfaces. 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