However, the ability of a MOPA fiber laser to produce color marking is limited to certain metals and plastics. In this method, there is no removal of the material, which makes it ideal for working with thin surfaces, where maintaining the strength of the workpiece is the main priority. When you want a broader color palette, color laser engraving is your best bet. Whether its mirror, crystal, champagne glasses, wine glasses or water glasses. 2022 Trotec Laser GmbH. The overlapping method of color engraving produces a vivid engraving with good contrast. In this method, a colored oxide layer is added to the surface of the metal artificially. At Trotec Laser Ive found machines with high performance and precision, as well as extensive technical service. The high-powered laser fuses the coloring agent with the surface of the plastic workpiece and creates a permanent colored mark. I talk about CNCs and Power Tools at Mellowpine. The best and most popular way to do color engraving or color marking is by using a MOPA fiber laser. Whether you are just starting your business or want to increase your production capacity. A rotary engraving attachment rotates the object during laser engraving so that the designs or lettering can be engraved around the glass. Owner - Ruprechter Glasblserei-Laborbedarf e.U. Plastic engraving and cutting using Lasers! Laser Cutting vs Plasma Cutting- Which do you Need? This method does not produce engravings with high contrast and, therefore, cannot be used for complex engravings. It must be ensured that the masking tape sticks to the surface of the workpiece evenly without any air bubbles entrapped under the surface. It provides a pulse duration of 4ns - 200ns, which can be used to enhance the contrast of the engravings. With a laser engraving machine you can implement simple, precise and impressive engravings on glass, mirror or crystal. Furthermore, Trotec offers various models under the SpeedMarker series that provide different work areas. The laser burns through the masking tape and removes the material to create a groove in the desired shape while the rest of the surface is still covered with masking tape. The eCobalt is a MOPA fiber laser engraver from Laser Marking Technologies (LMT) that has a footprint of 24 x 25. Depending upon the engraving pattern, laser power, and technique of adding the color, there are different methods of producing color laser engravings on metals. Engrave wine glasses, champagne glasses, champagne flutes, beer glasses, bottles, mirrors or window glass with special effects. The fastest laser engraver on the market helps you make your daily work more profitable. In this method, the laser head moves over a particular point repeatedly to create a bright color mark on the surface of the metal. The eCobalt is an enclosed laser engraver that makes it safe to use on busy shop floors. Great effects can also be achieved on mirror. Trotec SpeedMarker 300 offers a MOPA fiber laser with two power options, 20W and 100W. Using the alternate technique simplifies the process and allows you to create colorful engraving on a variety of materials. After covering the surface with the masking tape, you can begin the engraving process. Laser Engraving Knives for Personalization [2022], Best Portable Laser Engravers [2022]- Compact & Light. For small-scale businesses, color laser engraving can help stand out from the competition and earn more profitable deals. Therefore, color laser engraving can be used for various projects such as making metal artworks, engraved knives, personalizing jewelry and watches, etc. A MOPA fiber laser with a power rating of around 60W can be used for color laser engraving of various metals and some plastics. Laser cutters for making customized gifts! No, a CO2 laser cannot be used for producing color laser engraving on plastics. Compared to a regular fiber laser, a MOPA fiber laser provides better control over parameters such as power, frequency, pulse duration, etc. Generally, a MOPA fiber laser is used for color engraving metals and plastics. We are happy to advise you from the very beginning. Color laser engraving is an exciting technique that enhances the visual aesthetics of the engraving and adds a level of detail to the engraving. During this type of engraving, constant laser power and spot size are maintained throughout the engraving to attain a uniform engraving pattern. However, the ability of the color laser engraving to withstand abrasive conditions depends upon the depth of the engraving. However, the mark produced by this method is not as long-lasting as color laser engraving and is not recommended for surfaces that are subjected to abrasive conditions. Due to this reason, the overlapping method of color engraving is not suitable for engraving thin surfaces. It can survive daily washing and cleaning without any scratch on it. This fine control allows altering the amount of energy absorbed by the metal which in turn produces different color engravings.
The laser strikes the surface of the plastic workpiece to create a molten pool, and the coloring agent fuses with the molten plastic to create a colored mark on solidification. The SP series laser cutters are the comprehensive solution for cutting large-format materials. The laser engraving of these colored plastics produces a mark in a lighter or darker shade of the same color as the base material. MOPA lasers provide independent control over the pulse width and frequency parameters, which enables them to produce different colors when engraving or marking certain materials like stainless steel and titanium. With the help of a rotary engraving attachment, you can engrave all types of glass all the way round. 5 Best Laser Cutters [2022]- Cutting and Engraving. Color laser engraving or marking is quite similar to the normal fiber laser marking process, with the only difference being the addition of color either by using a MOPA fiber laser or by using special dyes. Fast and reliable laser cutting for signage and display or plastic fabrication. However, the ability of a laser to engrave different materials and the quality of color engraving depends upon various factors such as laser power, frequency variations, pulse duration, etc. 60W MOPA fiber laser with a safety enclosure, For getting great DIY projects in your mail, Trotec SpeedMarker 300 MOPA Laser Engraver. However, some users use masking tape to achieve a particularly beautiful and consistent engraving result. MellowPine is reader-supported. Generally, enamel paints are recommended for metal surfaces, and acrylic paints are recommended for non-metals like plastic and wood. In this method, the surface of the workpiece to be engraved is covered with a uniform layer of masking tape. The addition of color improves the contrast and enhances the detailing of the engraving. The Trotec SpeedMarker 300 has a footprint of around 23" x 34" x 26" that offers a work area of 7" x 7" with a maximum workpiece thickness of 7". The melting and solidification method solves the problem of engraving thin surfaces with varying brightness without damaging or weakening the workpiece. Send me the newsletter. This method can be used for producing colored engraving on any material. However, not all metals are suitable for color engraving by varying laser parameters. It offers two types of lenses, the standard 163 FL lens that offers a work area of 4.33 x 4.33 and the optional 254 FL lens that increases the work area to 6.89 x 6.89. JPT MOPA laser engraver offers a pulse duration of 200ns with a repetition rate of 1-4000KHz, which enables it to produce high contrast color laser engravings on stainless steel. This makes it easy to backfill the engraving with the desired paint and produce a colorful engraving. safety is paramount when working with lasers! This article discusses the different ways of adding color to your laser engraving projects and how to successfully do it. It is a small-size desktop MOPA engraver that can be used for color engraving stainless steel and black marking aluminum. Regular colors like black, white, and gray that you get with laser engraving can be limiting in some situations. Similar to the grating method, the plastic does not vaporize during this process, and no material is removed. Reach me at john@mellowpine.com. It offers variable laser power options of 10W, 20W, 30W, and 50W, which can be selected at the time of purchase according to your need. Achieve fascinating matt effects, the finest contours or details whether you laser engrave photos, texts or logos into glass. The marking speed of 236 ips enables a fast production rate, ideal for businesses. The deeper the engraving, the higher its chances of surviving abrasive conditions. Although any fiber laser can be used for engraving metals, MOPA fiber lasers are recommended for color engraving. JPT MOPA Laser Engraver is a desktop laser engraver that offers a work area of 4.3" x 4.3" with a maximum workpiece thickness of 11.8". All rights reserved. Impressively delicate and inexpensive engraving of glass. Furthermore, eCobalt also provides an optional fumes extraction system that can be useful when engraving plastics. However, by using laser marking ink or other dyeing agents, a CO2 laser can produce colored markings in various materials. A high-power laser is used to heat the surface of the metal and oxidize it without vaporizing the material. A high-powered laser melts the surface of the metal, and an oxide material in powdered form is added to the molten pool. Yes, color laser engraving is long-lasting. Color laser engraving by MOPA fiber laser does not produce similar results on all materials. I currently also work as a consultant for business owners and hobbyists setting up their own CNCs. In this way, every laser-engraved glass is unique. Polyethylene, ABS, and glass-filled plastics are the most commonly used plastics for color laser engraving. However, plastic materials are generally available in multiple colors. price comparison of laser cutting and waterjet cutting. I'm a CNC hobbyist who has been making CNCs and writing about CNCs for a while. If you want to carry your laser engraver around. From installation to advice and the answers that the technicians give us in every situation!. To add color to the engraving, an artificial coloring agent is applied on the surface of the workpiece. Some materials produce excellent colors, while others fail to produce colorful oxide layers under the action of a laser. Unlike metals, plastics do not oxidize when subjected to a high-power laser. for various celebrations, is a perfect and memorable gift. However, the ability to add color to the engraving varies from one material to another, and different methods are to be used for color engraving different materials. Hey I'm John. When you buy through links on my site, I may earn an affiliate commission at no extra cost to you. Metals such as aluminum, stainless steel, and titanium are the best suitable metals for color laser engraving. However, as the number of passes increases, material removal also increases. If you have any questions related to CNC, I'd be happy to answer them. For great results, it's important to choose the right engraving method for your material. Basically, you dont need to prepare glass for laser engraving. eCobalt offers a locked pulse duration of 200ns and a frequency of around 1 - 400KHz, which enables the production of color laser engravings with good contrast. Metals have a shiny surface and can oxidize rapidly making them the most commonly used material for color laser engraving. You can engrave glass bottles and glasses at high speed. The surface of the metal undergoes melting and solidification, which creates an oxide layer over the surface and changes the microstructure of the surface. Furthermore, the laser operates inside a safety enclosure, making it safe to operate even on busy shop floors. Basically, you can engrave any glass - regardless of its shape. Compared to Q-switching fiber lasers, MOPA fiber lasers provide a wider range of pulse duration and frequency, enabling them to produce varying effects on the engraved surface. In Color laser engraving, the surface of the material is heated high enough with a laser to oxidize it and this produces a permanent mark with a color. A wine glass or other drinking glass with an individual engraving, e.g. Trotec Laser is a great product and makes our work a lot easier.. Softwood, harwood, all the best types for laser cutting and engraving! This results in a colored mark on the surface of the workpiece without removing the material and is often known as "Color laser marking". Removing a lot of material renders the part weak and can cause warping when working with thin surfaces. This method is generally applied for engraving simple geometric shapes such as circles, squares, rings, triangles, etc. Stainless steel is capable of producing the most number of colors under different laser engraving parameters, which makes it the ideal metal for color engraving applications. Personalizing wine glasses, champagne glasses, champagne flutes, beer glasses, bottles, mirrors or window glass. Best Wood for Laser Cutting and Engraving. The mirror sheets are the perfect alternative to real glass as they are lighter and have a higher break resistance than glass, which means that the material has a lower risk of falling and breaking when mounted on a wall. Color Laser Engraving with Fiber Lasers [2022]. The grating method is used for color engraving metals that do not form a colored oxide layer when subjected to a high-powered laser. A simple alternative to producing a color engraving is to use masking tape and paint to backfill the engraving. Is Laser Cutting Cheaper than Waterjet Cutting? The galvanometric laser head offers a maximum marking speed of 275 ips, which increases the throughput by enabling a quick cycle time. Although most MOPA fiber lasers have an enclosed body, it is strongly recommended to wearsafety glassesand be wary of therisks, hazards, and safety measuresrelated to laser operations. Yes. Furthermore, it can be performed by using a CO2 laser on non-metals and a fiber laser on metal surfaces, eliminating the need for costly MOPA fiber lasers. Yes, I want to know about products and discounts. This process is particularly easy using the rotary engraving attachment. Best Laser Safety Glasses [2022]- CO2, Diode, 1064, Fiber. Lasers work best with thin materials while plasma is best for cutting thick metals! It houses a 60W MOPA fiber laser that can perform up to 2.5mm deep engravings on various metals. Contact us now. This results in surface grating, which diffracts the light falling on the surface and creates a colored mark. In this method, the laser head follows a continuous path that does not intersect or overlap at any point in the engraving. Trotec provides an optional rotary kit that can be used to engrave cylindrical objects. As a result, the engraving produced by this method has uniform brightness and contrast, which makes it unsuitable for complex engravings that require greater depth of contrast. Manipulating the various laser parameters like power, frequency, and pulse duration enables the MOPA laser to produce color laser engraving.
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