Dot peen technology enables stainless steel parts that are generally subject to high stress (specifically in the automotive and aviation industries) to have heat and high-temperature resistant markings. The initial cost and operating cost are lower with this technology. Moreover, this technology does not heat the material and does not create any breaking point in the material, whatever its thickness. dot peen marking is one of the most versatile technologies because it is possible to mark very fine markings but also to make deep markings according to your requirements. Dot peen technology offers high-quality marking, legible and permanent to resist erasure, discolouration, corrosion and all types of treatments. With the dot peen marking technology, you don’t have to worry about adapting to the material, the marking results are constant, regardless of the type of steel or its hardness.
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This creates a series of dots that form a direct, permanent, legible, high quality marking on the workpiece. The principle of dot peen marking machine is based on the creation of depressions in the material using a vibrating tool. The heat created by the laser changes the surface state of the material. The laser beam targets only a specific area of the material. The power is concentrated by the laser beam. The larger number of laser passes allows for deeper marking. Multiples passes of the laser beam will remove more material and produce cleaner engraving and edges. Stainless steel laser engraving is generally carried out with increased laser power and lower marking speeds and several passes. In order to obtain a deep and high-contrast marking, the laser’s parameterisation is essential. The marking is thus more resistant in difficult environments and will meet the requirements of several manufacturers and traceability standards. galvanisation, which requires a greater depth of marking. Engraving provides a much deeper marking than any other method and makes the marking more legible and durable, both before and after treatment of the material, e.g. Ī very common method in the industry for marking stainless steel is engraving. Possibility to obtain a wide range of colours with optimized laser parameters. Works only on Stainless steel / other alloys. This structured surface reduces the amount of light that is reflected, and the result is a deep, matt blackening of the marking, which appears the same when viewed from any angle. Generally, the oxide layer is black, but it can also have other annealing colours.īlack marking is a marking process that produces very high-contrast, dark markings. steels and titanium, but not aluminium or nonferrous metals. You can only anneal metals that change colour when under the influence of heat and oxygen, i.e. It is also the preferred method whenever a precision fit is required or there is a need to avoid material bulging. This generates oxide layers on the surface of the workpiece which are associated with metallic annealing colours. As always, reach out to us at if you have trouble seeing the exclusive deals.Black marking process heats the material locally to just below its melting point. Exclusive AppleInsider pricing when you shop through our links at Expercom.