Although it is more difficult to laser mark than polypropylene or PV., the additives present in polyethylene plastic allows the application of a laser mark with a high contrast identifier, when proper laser parameters and wavelength are used. As well marking plastics, we also have CO2 lasers that operate as plastic engraving machines, as well as cutting plastics up to 1/2" thick. The LXQ series offers the most efficient and reliable industrial laser marking machines on the market. However, due to the relatively low melting point of polyethylene, laser marking and engraving can lead … In many cases, laser marking uses fewer materials and costs much less than other labeling methods. Laser Marking. Plastics We provide an extensive range of systems for etching, engraving and laser marking plastic. Some of the benefits of laser marking polyethylene include: Polyethylene withstands extreme UV exposure and substantial salt spray testing High contrast marking is possible on any color of polyethylene Laser marks on polyethylene are clear, distinct and precise On the other hand, the transmission ratio for polyimide is about 30% with a green laser (532 nm) but more than 90% with a fundamental laser (1064 nm). For laser marking of transparent plastic materials, polymer films with dispersed nanoparticles can be used as an absorber of a laser beam. They’re certified for the IP67 class protection, and offer a laser power of up to a 100 W. The LXM Series provides flexibility and durability without compromising on precision or speed. Thank you for subscribing to our newsletter! Cutting of polyethylene can be performed with a CO 2 laser to produce a clean non-discolored cut with a slight raised edge near the point of ablation. Although it is more difficult to laser mark than polypropylene or PV., the additives present in polyethylene plastic allows the application of a laser mark with a high contrast identifier, when proper laser parameters and wavelength are used. For plastics Laser Marking, the mechanism is to irradiate the polymer with a high-energy radiation source, e.g., Ytterbium fiber laser. The laser choice will depend on the application requirements. Laser marking allows the efficient and rapid marking of an identifier on a polyethylene surface, even in harsh environments. for polyamide, polyethylene, ABS and many other plastics. Laser marking on plastics in the medical and automotive industry Its versatility and its relatively low cost make plastic a universal material. Lasers can mark plastics using three different processes - Laser Foaming, Carbonising and Staining. Laser marking of plastic, or plastic engraving, is a process during which components are labelled or marked with the aid of a laser. laser marking, laser cleaning, laser safety and all things laser. Foaming works on all polymers, but also on some metals. If etching or deep engraving is desired, a CO2 laser will be the laser of choice. Laser marked identifiers on polyethylene surface can withstand heavy salt spray testing and intense UV exposure. The polymer that the plastic parts are made up of dictates the methods used and the energy input needed to laser mark the plastic. Laser marking systems for polyethylene are very low maintenance and consumable free. If a high contrast marking is required, a pulsed fiber laser is used. With a fiber laser, you can mark a variety of different commercially used plastics, such as polycarbonate, ABS, polyamide, and many more with a permanent, quick, high-quality finish. There are many options for laser engraving and laser etching plastics. The laser marking machine for plastic works on a low power level and longer pulses. UV Laser Marking Machine : Well-suited for marking heat-sensitive materials, including a number of plastics, from HDPE and silicone to polycarbonate and polyethylene. Especially in medical technology and automotive engineering plastics are proving to be enormously efficient and are establishing technological trends. In the case of plastics, the process is characterized by a fast marking speed and low cycle times. Laser beam marking processes are suitable for a wide range of materials, including metals (for instance aluminium, stainless steel, brass, copper, chromium, and titanium), ceramics, and plastics (such as ABS, Plexiglas, PBT, polycarbonate, and polyethylene; plastic materials can become darker in colour with the blackening process or lighter with foamed marking). With a tolerance range of 6 mm, it is perfect to mark flat surfaces either moving or immobile. For PVC, ABS, and polystyrene, both fundamental and green lasers show low transmission ratio and high absorption ratio, which ensures good marking. Marking behavior of plastic is highly variable based on different components, and additives. Laser markings on polyethylene allow the generation of a high contrast white marking on any color. Applications. Trotec Laser Engraving & Laser Cutting Machines. Includes an overview of the different technologies. Marking speeds for polyolefin synthetic wine corks and undercap promotions on linerless beverage closures are capable of 2000 pieces/min for alphanumeric text and graphics (FIGURE 4). Color laser engraving can essentially be broken down into two subsets, that of color laser engraving on metal and color laser marking on plastic. Laser engraving and laser marking of polyethylene are possible using a CO 2 laser. Plastic types suitable. The radiant energy is absorbed locally by the material and converted to thermal energy which induces reactions in the target polymer substrate. In this video, an LXM laser system is used to brand a rubber sample. Feel free to contact us or to browse our website. In both cases, a proper fume extraction system is required to move the fumes from the work area. Generally, the fiber laser generates a white mark on any plastic base color. Laser marking on polyethylene can be obtained with either a CO2 or a fiber laser source. Due to the thermal laser process, the cut edges of the foils will be melted in one working step. Linear marking speeds of text and machine vision codes can achieve 500 ft/min and faster, where inkless laser marking now replaces rotary gravure and pad printing… Polyethylene terephthalate (PET) is a thermoplastic polyester material. (27), Au nanoparticles (average diameter of 3 nm) dispersed in ethylcellulose was applied to an absorber for laser microfabrication of a transparent plastic. Polyethylene does not readily absorb the energy of a 1.06 micron fiber laser. You want to bring your expensive outsourcing of marking inhouse. Laser marking on plastic Speaking about plastics means referring to derivatives from very different chemical compositions, which influence the performance … Laser marking … Carbonizing on the other hand enables strong contrasts on bright surfaces. The LXM laser series comprises CO2 laser with optical power ranging between 20 and 70 W. It is the ideal laser for marking rubber, polyethylene, ABS and other organic material such as ceramic. The marking comprises a company logo and text. With a tolerance range of 6 mm, it is perfect to mark flat surfaces either moving or immobile. along with other resins for marking with variety of different lasers like 1064 nm Nd:YAG-Laser, fiber laser and solid state lasers. Check out our 2020 buyer's guide to the top 10 laser marking machines. CO 2 laser cutter are ideally suitable for the cutting and marking of polyethylene foils. Laser marking operates via fast, noncontact techniques to produce clear codes and images that resist temperature extremes, abrasion, and time. White paper Plastic Laser Marking. Linx provides product identification solutions for plastic marking including inks for enhanced adhesion, specifically designed to adhere to a wide variety of plastics and therefore suitable for printing on polyethylene (PE or PET), polypropylene (PP or OPP), HDPE, PVC and Nylon. Color Laser Marking on Plastics As of this writing, color laser markings for plastics is still limited, but recently developed techniques may … Thank you for subscribing to our newsletter. With a wavelength of only 355 nm, this UV laser can create ultra-fine marks with high contrast. Plastics. Our laser marking additives can be used in polyolefins like PP, HDPE, PS, ABS, PC, TPU, PET, PBT, Nylon, PVC and TPE etc. In Ref. Amongst other things, ... chemically resistant, durable and virtually unbreakable, and perfect for marking and cutting with CO 2 laser. The result of the laser marking largely depends on the type of plastic being used, any additives in the plastic (such as dyes) and the type of laser being used to mark it. Manufacturers also use laser marking to create images on curved surfaces and hard-to-reach areas. PET/PETG is used for machine protection devices, glazing, shop and trade show furnishings and in the general furniture sector. 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