Sep 29, 2019 · Carbon dioxide lasers are the most powerful continuous wave laser types available with even moderately powered examples able to effortless cut through 2 inch (60 mm) thick steel plates. A good example of the capabilities of CO2 lasers is the average steel stock thicknesses cut commercially; these run between 3/4 of an inch and 1 inch (20–25 mm).
The general idea of this CO2 laser system is that a beam is directed down to a part for cutting. The part sits on a computer controlled platform which moves the piece around the stationary laser beam. Cutting is acheived by passing the beam through a focusing lens. A focused beam exits through the bottom of a cutting head nozzle.
On mild steel, stainless steel, and aluminum plate, the laser cutting process is highly accurate, yields excellent cut quality, has a very small kerf width and small heat affect zone, and makes it possible to cut very intricate shapes and small holes.
CO2 lasers are the most common types of laser cutters because they are low power, relatively inexpensive, efficient, and can both cut through and raster a wide variety of materials. Materials wood, paper based products (cardboard, etc), leather, acrylic, glass, some plastics, and some foams (can raster on anodized metals)
This means that the cut speed, using oxygen as an assist gas in thin steel, would be the same for a 1500 watt to a 6000 watt laser. Nitrogen is generally used when cutting stainless or aluminum in order to achieve excellent quality.
The first lasers used for metal cutting and welding were carbon dioxide (CO 2) lasers. They use carbon dioxide gas – mixed with helium and nitrogen – to generate the laser radiation. This is produced by means of an electrical discharge in the gas, whereby the carbon dioxide molecules emit the laser radiation and the nitrogen and helium contribute to a stable and efficient process.
Much can be made with a laser engraver, from decorations to advertisements to toys to gifts. Check out the best CO2 laser engravers on the market right now. CO2 laser engravers are highly precise instruments used to inscribe, decorate, or make custom logos on acrylic, wood, paper, metals, plastics, and an array of other materials.
Light from a CO2 laser is powerful enough to cut many materials, including cloth, wood and paper; the most powerful CO2 lasers are used for machining steel and other metals.
MAIN FEATURES 150W CO2 laser cuts multiple materialswood/acrylic/steel. Most cost effective laser capable of cutting 1.2mm carbon/stainless steel (steel only, consider fiber lasers for other metals) Cuts up to 25mm (1 inch) thick acrylic plastic and 3/4 inch wood.
The “gain medium” essential to laser operation can be solid, liquid or gas, and is a major determinant of the laser light frequency. Carbon dioxide lasers have two unique properties that make them ideal for industrial cuttingthe first is the wavelength of light, emitting at 10.6um, near infrared, ideal for heating.
Cutting with CO2 lasers . During the cutting process the laser beam is focused on to the surface of the workpiece. Piercing of the material is assisted by a coaxial jet of assist gas which ejects the molten metal and vapour products. The assist gas also provides protection for the lens. Assist gases. Oxygen (up to 5 bar) is used for cutting carbon steel.
Feb 01, 2020 · While lasers used in welding such as neodymium (Nd) lasers can be used in laser cutting, the most common laser type is the carbon dioxide (CO 2) laser. Most industrial laser cutting machines have a material table and a laser head, and these parts are put together in three basic machine configurationsmoving material, flying optics, and hybrid systems.
However, despite the wide use of the CO2 laser, there is still a lot of confusion about how the laser can be used. We receive a lot of questions likeWhich materials can be cut by the CO2 laser? Can the CO2 laser cut wood? Or Can CO2 laser cut plastic? and still What are the potential applications of the CO2 laser? and so on.
Light from a CO2 laser is powerful enough to cut many materials, including cloth, wood and paper; the most powerful CO2 lasers are used for machining steel and other metals.
The carbon dioxide (CO2) laser consists of a gas mixture that includes nitrogen, helium, carbon dioxide, xenon or water vapor and hydrogen in some cases. It is one of the earliest gas lasers to be developed by Kumar Patel in Bell Laboratory in 1964. The gas mixture acts as a gain medium,
Approximately 80% of the time while the program is running the laser is cutting, this is the majority of the processing time. The cutting capabilities of the laser is directly proportional to the beam quality and beam waste of the laser. Chart #4 illustrates the characteristics for the four cutting lasers.
Our laser team pioneered the development of TEA CO 2 laser technology and has been designing carbon dioxide lasers and laser marking and drilling systems for over 30 years. The LightMachinery IMPACT Series high power lasers are designed for 24/7 materials processing and
In all welding processes, the shielding and process gases, their exact compositions and their purity levels play a key role in influencing weld quality and productivity. Oxygen, nitrogen, argon and carbon dioxide are standard or bulk gases that are used in process and manufacturing industry today.
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