How to Cut Polyurethane Moulding. Laser cutting systems are generally superbly suited to the processing of various foams. Polyurethane is also used for foils and textiles, in particular for technical applications. Acrylate polymers, for example, react especially well to CO2 laser cutting. Laser processing these materials creates dangerous gases or dust. Particulate left behind in vent system and within the machine could be hazardous if ingested. Material will emit gasses/particulate that are hazardous or poisonous to life. By the 3rd try, the kerf is pretty tight. I'm getting some conflicting information when searching for safety information on laser cutting TPU. make sure your ventilation is good and give it a shot. Hier ist unsere Auswahl der besten Laser-Cutter auf dem Markt, sowie alles zum Thema Laserschneiden, was du wissen musst. Most elastomers vaporize quickly when cut with a laser, resulting in smooth and straight edges with minimal heat … MLT’s laser cut adhesives and tapes are selected based on environmental, thermal, cure, bond strength, chemical resistance, and … Expanded polyethylene (aka polyethylene foam) is one of the most popular foams used in the industrial sector, due to its lightness, insulating properties and resistance. #3 I will almost always avoid unless the job is very very small, one-off, and my point-of-exhaust for ventilation is not anywhere that a life form could be impacted. There are advantages to using a polyurethane molding. How does simple compressed air affect the laser cutting process? Laser Marking - how can you affordably mark metal parts with barcodes and logos? This particular laser cutting tool is a popular alternative to other manufacturing tools. Cardboard, carton thicker Cuts well but may catch fire. Laser Engraving - find out how Epilog's laser engravers can create beautiful engravings . © 2015 - 2019 eurolaser GmbH. Expanded polystyrene, expanded polyurethane and expanded polyethylene all belong to this category of materials. Each and every XT Laser series is capable of marking on tungsten and carbide and the ideal system for your application depends on your marking requirements. Soft foam made of polyurethane is used, for example, for inlays in the packaging industry. Laser Marking - how can you affordably mark metal parts with barcodes and logos? Release Time:2016/06/08 Materials all Browsing Times:2150 . As you can see from the reverse picture, it has a pretty cool cut pattern. Laser Engraving - find out how Epilog's laser engravers can create beautiful engravings . They also say that ABS and PVC are fine. While there was no penetration, it appears that slower cuts or thinner stock would work. For 1600mW Laser Module, you can use the Fine Tune Work Origin feature to achieve the best cutting result. its not safe to breath in anything that's not air. Other CO2 laser cutters for cutting polyurethane (PUR). You can work directly from the design program, which is very important especially in the area of rapid prototyping. But how do you determine what makes up the material you want to laser cut or engrave? Yes I realize everything about #3 is bad, and I should feel bad, and I do, which is why I avoid going there as much as possible. 's & Facing Turning, boring, and facing operations can be performed on either a turret or engine lathe. The MSDS for Elastollan (BASF's trade name for TPU) states: Decomposition products: carbon monoxide, carbon dioxide, hydrogen cyanide. Alibaba.com offers 305 polyurethane laser cutting products. Laser Cutting - nothing compares to the quality of a laser cut on many materials. When in doubt I'll opt not to cut it, but curious if anyone has additional insights. That gives them a very small dot, which gives a sharper etched image, but it also means they can only cut very thin materials. Any life near your ventilation outlet is at risk and this will also contribute to environmental pollution. Laser Cutting of Elastomers The energy of a CO 2 laser beam is easily absorbed by most elastomers, causing the material directly in the path of the laser beam to rapidly heat up and vaporize. Even for larger quantities laser cutting now constitutes a real alternative to conventional processing methods such as die and knife cutters (cutting plotters). Polyurethane molding looks nearly identical to wood molding, but is made of a lightweight, polyurethane resin. The parallel use of CO My thoughts on 3 possible pitfalls with cutting new/unknown material: Material will absorb all energy and catch fire, or will melt instead of cutting cleanly, Material will emit gasses/particulate that is corrosive, which over time could degrade the machine's electronics/components (Like Chlorine gas). Eurolaser.com isn't a good source for this kind of thing. The diverse system sizes from eurolaser are suitable for both large-format textiles and foams and the exact cutting of foil sheets. As for charring, it often depends very much on the particular material, including contaminants, e.g. Can I also cut at a slant with the laser? These resources caution against cutting polyurethane due to HCN gas: http://www.materialseducation.org/educators/matedu-modules/docs/Laser_Cutter_Materials.pdf https://www.synrad.com/sites/default/files/2018-07/Laser%20Processing%20Guide%20%28Plastics%29%201.04_0.pdf, While other sources call polyurethanes safe to cut or recommend it for laser cutting: https://www.lasercuttingshapes.com/materials/ https://www.eurolaser.com/materials/polyurethane-pur/. Laser marking, laser engraving and laser cutting polyurethane foam, PUR. New comments cannot be posted and votes cannot be cast, More posts from the lasercutting community. how charring leather is when laser-cut largely depends on how it's been treated. The emissions generated by cutting with CO 2 lasers can be filtered by filter systems.In order to continuously expand our sample archive, we can also test your material in our application laboratory and create a detailed report for you. Which laser classes apply for eurolaser systems? Laser Cutting - nothing compares to the quality of a laser cut on many materials. The laser cutter has the ability to accurately cut or etch numerous materials such as wood, paper, cork, and some kinds of plastics. #1 can be mitigated by a few "test fires" while holding a fire extinguisher at ready, but the worst case is messy, #2 I will always avoid because the machines are expensive and high-maintenance as they are. Producing the same gasses that were used in gas chambers seems pretty darn dangerous and like there should be red flags up everywhere. Foams made of polyester (PES), polyethylene (PE), polyurethane (PUR) are well suited for laser cutting, laser engraving and laser marking. Etching can be done on almost anything, wood, cardboard, aluminum, stainless steel, plastic, marble, stone, tile, and glass. Polyurethane Material Polyurethane is a friendly material for the laser. Machining Polyurethanes: Turning O.D. Adhesives can be silicone, acrylic, rubber, or hybrid based that cut through the carrier film or stopping in the carrier film (‘kiss-cut‘) for ‘peel and stick’ applications. Minimizing the energy from where you are today could come from either increasing speed, decreasing power, or both. The material just outside of the laser's spot or path will conduct some heat but not enough for complete and thorough ablation. How does the way you store acrylic affect the cutting edge? Precise foam cutting with Trotec laser cutters. * The recommended settings might not apply to all situations. What is confusing about this is that polyurethane is generally considered a very "laser friendly" material to cut (stated all over the place on laser hobbyist and professional websites under acceptable materials). Foam inlay – laser cutting in the packaging industry, Clean and perfect cut edges - no reworking necessary, No material fixation necessary – thanks to the vacuum table, No cleaning of the knives necessary - no parts stick after cutting, No tool wear so therefore consistently high cutting quality, High degree of flexibility in the choice of contours – without any need for tool construction or changeover, High level of flexibility due to the combined cutting with, Unique choice of different table sizes – suitable for all standard sizes, Processing of very large formats thanks to seamless continuation of cutting. It's the same reason why you shouldn't cut/engrave ABS. … I cut it with the plastic sheeting on, which may have burned into the cut discoloring it. For example, rigid foam is used in the shoe industry for the soles of shoes, for sponges for domestic use and for insulation purposes. If you look at the pic above for step 4, you can see the cut on the left has a pretty wide kerf even on the top surface. The versatility of laser cutters is remarkable, considering they can cut, mark and etch. The main materials shops will process will include wood, cardboard, aluminum, stainless steel, plastic, tile, … Foam cutting with a laser machine … The cutting of polyurethane with CO 2 laser systems is characterized by a high level of precision and flexibility. The materials that the laser can cut materials like wood, paper, cork, and some kinds of plastics. For these reasons, CO 2 lasers are commonly employed for laser ablation of polyurethane foam. A wide variety of polyurethane laser cutting options are available to you, such as ccc, iso. or please call for your individual consulting! Paper, card stock thin Cuts very well on the laser cutter, and also very quickly. Polyurethane (PUR) is a plastic or synthetic resin. Tool configuration, geometry, and placement, as well as rpm are dependent on what hardness the urethane is and what the operation is. The diverse system sizes from eurolaser are suitable for both large-format textiles and foams and the exact cutting of foil sheets. These gasses are used for breathing gasses (space suits, diving, etc). This foam is ideal for laser cutting. Numerous types of gaskets and foam parts are easily laser cut with our lasers. MDF/Engineered woods 1/4" These are okay to use but may experience a higher amount of charring when cut. This area of thermal affect is often referred to as the heat affected zone or HAZ. The laser can cut or etch. We would be glad to advise you on the topic of the laser cutting of polyurethane, on our laser systems and special options for the processing of plastic. Even then I'll cringe pretty hard while doing it and I probably should not do it at all. If there's enough oxygen in the air, inert gasses like neon or argon won't do anything whatsoever. Foam is used for many different applications including suitcase inserts or padding, seals and artistic applications like souvenirs or photo frames. About 8% of these are laser cutting machines, 1% are sheet metal fabrication. In the case of 3M Polyurethane Foam, virtually no HAZ is created because the low density foam structure … Press question mark to learn the rest of the keyboard shortcuts, http://www.materialseducation.org/educators/matedu-modules/docs/Laser_Cutter_Materials.pdf, https://www.synrad.com/sites/default/files/2018-07/Laser%20Processing%20Guide%20%28Plastics%29%201.04_0.pdf, https://www.lasercuttingshapes.com/materials/, https://www.eurolaser.com/materials/polyurethane-pur/. If the laser power is sufficiently high, the laser beam will cut completely through the material. More and more companies have come to recognize the benefits of high precision and virtually maintenance-free processing that the tool "laser" has to offer. Because these metals are so hard, etching or engraving is typically not recommended. Engraving and cutting these materials can cause irreversible damage to your machine, so determining the components of your cutting and engraving materials is extremely important. Press J to jump to the feed. Hydrogen cyanide (HCN) is bad news. Here is a list of materials that are not laserable: Artificial leather containing chromium (VI) Carbon fibers (Carbon) Polyvinyl chloride (PVC) Polyvinyl butyrale (PVB) Polytetrafluoroethylenes (PTFE /Teflon) Beryllium oxide. We can laser cut open cell and close cell polyurethane foam up to 1″ thick. Do I need any special software to control a eurolaser system? But the lenses are replaceable, so it is just a matter of making sure you are using the right one. A place to share your laser cutter creations, tips, questions and other laser cutter related information. In which case you ideally shouldn't laser cut it, lest you desire your home-made Bhopal disaster (yes, I know, different chemicals). Its properties make polyurethane a versatile material that is very durable, mould and mildew resistant and, depending on manufacture, hard and brittle or soft and flexible. The cutting of polyurethane with CO2 laser systems is characterized by a high level of precision and flexibility. Tungsten and carbide are receptive laser marking metals and laser engraving metals. Compared to the complex water jet cutting process, the laser is significantly faster, more flexible and more efficient. The parallel use of CO2 lasers and knife inserts on one machine transforms your eurolaser system into a universal cutter. Laser etching can produce great results on almost any organic material. All rights reserved. A lot of lasers are sold primarily geared toward etching, so they have a very short focal length. Certification as a laser system operator (2-day course), LaserScout software and the PLANNER module. Now that you know the technicalities, we can talk about why CO2 laser cutting is a fantastic tool for treating thermoplastics. PUR, PU, Cellasto ®, Elastocoat ®, Elastoflex ®, Elastofoam ®, Elastolit ®, Elastopal ®, Elastopan ®, Elastopor ®, Lupranol ®, Baydur ®, Bayfill ®, Bayflex ®, Baylit ®, Baymer ®, Baytherm ®, Desmodur ®, You will find videos showing the laser cutting of polyurethane at eurolaser.tv. After I'm done I'll be careful to clean all exposed surfaces within the machine with solvent and carefully dispose of the rags. 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