There are three common types of laser engravers in the market โ€“ CO2 lasers, fiber lasers, and crystal lasers. [3]. Futonics fiber lasers are ideal for welding a variety of clear and colored thermoplastic materials. become the source of choice for a wide. With this merger, the two laser micromachining companies are convinced that respective customers will benefit from the pooling of operations. CO2 are gas lasers that are perfect for working with non-metallic surfaces. CORE Industrial Partners acquires two laser processing companies. Are laser marking and engraving the same thing? T. Hoult, "Laser marking with fiber lasers," Industrial Laser Solutions (Sept. 2012). IPG Photonics offers reliable fiber laser. Given its dominance in the sheet metal cutting industry, this article focuses on laser fusion cutting. SCANLAB wins Future Employer Award for 2020. If youโ€™d like to learn more about ablative laser cutting, check out this article on Micron-Scale Manufacturing.. FIGURE 3. The calculated speed is approximately 315 lin. There are few, if any, rules that can be extrapolated. More intense laser settings provide a dark grey or charcoal color. High-power fiber laser has been proven to be feasible for cutting carbon fiber reinforced polymers with several advantages including noncontact force, high efficiency and flexibility, while the characteristics of thermal damage and heat conduction in materials are not yet fully understood. Pump power in percent, as explained above. workpiece height: 4.9 - 12.0 inch : Laser power: 20 - 120 watts Laser welding of polymers is a set of method used to join polymeric components through the use of a laser.Laser radiation can be generated by CO 2 lasers Nd:YAG lasers, Diode lasers and Fiber lasers. BENEFITS. ft/min. The hardware and software components a laser manufacturer incorporates into their systems makes significant difference in marking contrast, quality, and speed. Individual materials and preference will determine the final combination of settings for each application. Most are easily dispersed in polymers. Simply turn off the power to the laser and turn on the red dot. The advancements achieved in formulating laser chemical additives for use with near-infrared (NIR) lasers (1060–1080nm wavelength) are their compatibility with ytterbium fiber, vanadate, and predecessor Nd:YAG lasers. Laser marker integration offers remote support. (2019). cutting of thin metals to CW lasers. For the European Union, there are similar compliance statements. used in processing of a variety. I have been in contact with Trotec's support staff and cannot get one single answer to anything it seems. Then run the file and watch where the red dot goes. So many people use fiber laser engraving machine marking on rubber engraving. on technology, operation, process, and graphic design. Laser marking systems maker FOBA appoints new managing director. Pulse repetition rate (pulse frequency); and. If you’d like to learn more about ablative laser cutting, check out this article on Micron-Scale Manufacturing.. Applied research pushes the deployment of laser technologies. Your advantages at a glance Over 20 years of experience in the manufacture of cables and assemblies with PCF, plus extensive application-specific know-how I have been in contact with Trotec's support staff and cannot get one single answer to anything it seems. Both granulate and powder form can be blended into precompounded color material or color concentrate. Fast speed, superior contrast, and cost savings are among the significant benefits. Other additives can contain aluminum particles, mixed metal oxides, and proprietary compounds. Scott F. Scott is a firearms enthusiast and gun hobbyist whose primary interest is the practical application of gun ownership. Application development is highly specific, as there is not a universal laser solution. Further qualification of FDA-approved additives blended into a "final part" can achieve biocompatibility of medical devices [2]. Given its dominance in the sheet metal cutting industry, this article focuses on laser fusion cutting. Marking speed is a function of many variables, including polymer type, substrate color, laser additive type and loading level, cable size (weight), laser type and power, software, number of alphanumeric characters, text height, length of text string, space between characters, bar code/data matrix, logos/graphics, single-stroke or true-type filled fonts, fill direction, and continuous or repeating text. Start with a Higher Speed Setting:Unless necessary, start with a higher speed setting 40-60% speed with a frequency of 1-5% will likely yield the same results as 20-30% speed using 15-30% frequency . M. Gailey, "Plastics additives allow inkless marking," Photonics Spectra (Sept. 2013). Color adjustments are made using pigments and dyes to achieve the final colormatch appearance. Some additives contain mixtures of antimony-doped tin oxide and antimony trioxide that can impart a "grayish" tint to the natural (uncolored) substrate opacity. cutting of thin metals to CW lasers. Based upon the additive and polymer, the loading concentration level by weight (in the final part) ranges between 0.01 and 4.0%. Laser marking on polyethylene can be obtained with either a CO 2 or a fiber laser source. New Managing Director Sebastian Blösch previously served as the laser marking company's Finance Director and Deputy Managing Director. Novel chemical additives can produce jet-black, light-colored, and custom color contrast, using both "on-the-fly" and secondary operations. As a result, energy can be transmitted through polymer workpieces with little effect. Australian Journal of Mechanical Engineering: Vol. Laser Power โ€“ The percentage of available power you are utilizing. Color is hardly ever a trivial issue, however. Clear, semi-transparent, and opaque colored polymers, including nylons, polyethylene terephthalate (PET), polycarbonates, polyolefins, polyvinyl chloride (PVC), styrenics, and thermoplastic elastomers (TPUs) and thermoplastic polyurethanes (TPEs), are uniquely formulated using non-heavy metal, FDA/European Food Safety Authority (EFSA)-approved additives to achieve high-contrast marking quality (FIGURE 1). Generally, the fiber laser generates a white mark on any plastic base color. uring the last decade, polymer optical fibers (P OF) have . The advantages of 2 µm thulium fiber laser welding of polymer-metal and polymer-polymer combinations have been recently reported. When a laser encounters the surface of plastics, it can be reflected, absorbed or penetrate through the thickness of a component. Compared to ink printing processes (pad/screen printing and inkjet), laser additives are cost-saving and can demonstrate 20% and faster marking speeds vs. non-optimized materials. fiber sensors, polymer optical fiber, polymer . I. I NTRODUCTION. Also, keep the power setting as low as possible. Localized spatial and temporal control of the laser heat input and of the rate of heat input enable maximum performance. LMM14 Laser Settings Page 2 of 2 Suggested Laser Settings Used for Beam Steered ND:YAG or Fiber Laser with a 100mm lens Material Power (W) Speed (cm/sec) Hatch Spacing “ CW Mode or Q-Switch Freq Stainless Steel 8 25 .002 CW / ≥50KHz Stainless Steel - Bright Annealed 7 25 .002 CW / ≥50KHz Galvanized Steel 7 15 .002 CW / ≥50KHz The result is a cost-effective, environmentally friendly, superior aesthetic appeal in the application. On the other hand, fiber lasers are best suited for engraving on metals. Polyethylene laser marking. range of industries. One gun can have several materials on which the owner wants fiber laser engraving to be done. Using a fiber laser on wood is essentially like starting a campfire. The CO 2 laser is more often use for etching or engraving the plastic. A CO 2 laser is best for laser engraving polymer foams, while a Fiber laser is best for metal foams. (2019). Ask an expert That is what is happening with the laser engraved PMAGs. Polymer clarity, spectral transmission, and base physical properties are not affected. Using a fiber laser on wood is essentially like starting a campfire. half the available power of the laser. These output modes relate to factors including the beam divergence and power distribution across the diameter of the laser beam. 3. When a laser encounters the surface of plastics, it can be reflected, absorbed or penetrate through the thickness of a component. Polymers that can be marked by lasers are those that absorb laser light and convert it from light energy to thermal energy. The fiber laser engraver is a good metal laser engraver which can better suitable for various gun parts marking, you could consider purchase the engraving machine with a reasonable price from China. High repetition rates generally translate into faster marking speed (in conjunction with other laser/waveguide parameters). [3]. 2. Medical devices benefit from picosecond black, corrosion-resistant laser marking. Laser engraving plays to strengths of nanosecond pulsed fiber lasers, Carbon dioxide lasers for the denim and textile industry. On the other hand, fiber lasers are best suited for engraving on metals. FIGURE 2. Sign up for Industrial Laser Solutions eNewsletters. For engraving, 100% speed and 55% (600dpi), 65% (400dpi) or 75% power (300dpi) – Epilog Manual. For this reason, the fiber laser (a type of solid-state laser) is a better choice when marking metals. Pulse duration (often referred to as pulse length); 2. materials processing and fiber lasers have. By optimizing the laser setup, there is minimal surface carbonization residue. But this post was an experiment on how the 3.8 Jtech laser would do on a polymer frame for Stippling. When adjusting settings, a good rule is to adjust either the power or the speed. The author acknowledges BASF Corporation's Mark-it Laser Marking Pigment Technical Bulletin 2002, with technical content contributions from The Sabreen Group; Bruce Mulholland of Hoechst Technical Polymers and The Sabreen Group for "Enlightened laser marking," Lasers & Optronics (Jul. Factory cut chart settings. As a result, energy can be transmitted through polymer workpieces with little effect. IPG Photonics, a leading developer and manufacturer of high-performance fiber lasers, offers both fixed-pulse YLP Series (sometimes referred to as "Q-switch") and variable short-pulse YLPN (MOPA) lasers. Most polymers are transparent to laser radiation at wavelengths in the range of 1000 nm . laser beam into the material, the surface damage threshold is not exceeded and the fiber surface remains intact. materials processing and fiber lasers have. Laser welding of polymers is a set of method used to join polymeric components through the use of a laser.Laser radiation can be generated by CO 2 lasers Nd:YAG lasers, Diode lasers and Fiber lasers. 17, Design, Manufacturing and Materials, pp. Original work published in Laser Focus World reprinted courtesy of Endeavor Business Media, LLC. 2. The most common technique in plastic and polymer marking is color changing. Futonics fiber lasers are ideal for welding a variety of clear and colored thermoplastic materials. Breakthrough FDA-approved additives blended into polymers during primary processing optimize laser marking of plastics. 2 Reasons NOT to Use a Fiber Laser to Engrave Wood. For example, if I run a 20 watt fiber laser at 50% power setting in my software, I am running at approx. Fiber Laser Settings. Near-infrared laser additives improve the degree of contrast, which can be further intensified by changing the laser setup parameters. 2 Reasons NOT to Use a Fiber Laser to Engrave Wood. range of industries. Power settings that are too high can melt and distort many materials. Rather than etching and removing material, the laser is super heating and vaporizing the pigment. When setting up a fixed-pulse-length fiber laser for marking, two inputs must be set: 1. solutions for each unique application. Carbon dioxide lasers are widely used in applications that include perforating, scribing, marking, engraving, and kiss cutting. Phillips Precision introduces modular fixturing for laser marking. White contrast on dark-blue automotive exterior/under-hood components using IPG Photonics' YLPN Laser. Polymer cladded fibers (PCF) are characterized by their ruggedness, straightforward assembly, and a longer link length in comparison to POF (polymer optical fibers). For cutting, use 5000 ppi frequency. The output mode of the laser beam is critical to the marking performance. Laser marking on polyethylene can be obtained with either a CO 2 or a fiber laser source. The laser engraving process can be used to create patterns and designs in the foam surface. Moreover, we encapsulated rare earth ions to incorporate them into polymer matrices and studied spectroscopic … Australian Journal of Mechanical Engineering: Vol. Monday – Friday 9am to 5pm CST (Lunch from 12:00-1:00pm CST) The most common technique in plastic and polymer marking is color changing. For extrusion, injection molding, and thermoforming operations, precolor compounded materials vs. color concentrate yields better uniformity. Q-switched fiber lasers, typically with 100–120ns pulse width, are employed for some marking applications, but their repetition rate is limited to around 80kHz because of the inherent constraint of Q-switching technology. Current activity in Lithuania is demonstrating new laser technologies and applications. "On-the-fly" laser marking is one of the most highly specialized applications performed on molded and extruded products such as wire/cable, tubes, and pipes. Some colorant compounds containing low amounts of titanium dioxide (TiO2) and carbon black may also absorb laser light, and in some instances, improve the marking contrast. In contrast to fiber-delivered lasers, the entire path of the beam is within a fiber-optic cable all the way to the beam delivery optics. Products incorporating laser-enhancing additives yield 20% and faster marking speeds. The laser choice will depend on the application requirements. In-line, on-the-fly laser marking now replaces rotary gravure and pad printing. Laser Power – The percentage of available power you are utilizing. Short-pulse-duration MOPA lasers are able to fully exploit the performance of sensitive FDA-approved chemical additives. Directly modulated MOPA (DM-MOPA) fiber lasers can operate at repetition rates up to 500kHz at nanosecond pulse widths. The following show 12, 6 and 3.2 mm (1/2″, 1/4″ and 10ga) mild steel cut with oxygen on a 2kw fiber laser and examples of the same part cut with 1 variable changed to show how it affected the cut quality. Fiber Coupled Laser Welders. Improvements in laser technology have been instrumental in the rapid development of the newest generation of FDA-approved laser additives. Industry leading Fiber Optic Laser Training (F.O.L.T.) Fiber Laser Parameters for Glock / Pmags I just bought a Trotec Speedmarker 700 ( 30w fiber) a couple of months ago and am having quite a hard time figuring things out. 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