Unveiling the Intricate World of Laser Cutting
Laser cutting is a process that uses a laser beam to heat a material locally until it surpasses its melting point. High-pressure gas or vapor is then used to blow away the molten material, creating a narrow and precise cut. As the laser beam moves relative to the material, it sequentially cuts and forms holes.
The control system of a laser cutting machine typically consists of a controller, power amplifier, transformer, electric motor, load, and related sensors. The controller issues instructions, the driver converts them into electrical signals, the motor rotates, driving the mechanical components, and sensors provide real-time feedback to the controller for adjustments, ensuring stable operation of the entire system.
Principle of laser cutting
1.auxiliary gas
2.nozzle
3.nozzle height
4.cutting speed
5.molten product
6.filter residue
7.cutting roughness
8.heat-affected zone
9.slit width
Difference between light sources category of laser cutting machines
- CO2 Laser
The most commonly used laser type in laser cutting machines is the CO2 (carbon dioxide) laser. CO2 lasers generate infrared light with a wavelength of approximately 10.6 micrometers. They utilize a mixture of carbon dioxide, nitrogen, and helium gases as the active medium within the laser resonator. Electrical energy is used to excite the gas mixture, resulting in the release of photons and the generation of a laser beam.
Co2 Laser cutting wood
Co2 Laser cutting fabric
- Fiber Laser:
Fiber lasers are another type of laser source used in laser cutting machines. They utilize optical fibers as the active medium to generate the laser beam. These lasers operate in the infrared spectrum, typically at a wavelength around 1.06 micrometers. Fiber lasers offer advantages such as high power efficiency and maintenance-free operation.
1. Non-Metals
Laser cutting is not limited to metals and proves equally adept at processing non-metallic materials. Some examples of non-metal materials compatible with laser cutting include:
Materials that can be used with laser cutting technology
Plastics:
Laser cutting offers clean and precise cuts in a wide range of plastics, such as acrylic, polycarbonate, ABS, PVC, and more. It finds applications in signage, displays, packaging, and even prototyping.
Laser cutting technology showcases its versatility by accommodating a wide range of materials, both metallic and non-metallic, enabling precise and intricate cuts. Here are some examples:
Leather: Laser cutting allows for precise and intricate cuts in leather, facilitating the creation of custom patterns, intricate designs, and personalized products in industries like fashion, accessories, and upholstery.
Wood: Laser cutting allows for intricate cuts and engravings in wood, opening up possibilities for personalized designs, architectural models, custom furniture, and crafts.
Rubber: Laser cutting technology enables precise cutting of rubber materials, including silicone, neoprene, and synthetic rubber. It is commonly used in gasket manufacturing, seals, and custom rubber products.
Sublimation Fabrics: Laser cutting can handle sublimation fabrics used in the production of custom-printed apparel, sportswear, and promotional products. It offers precise cuts without compromising the integrity of the printed design.
Fabrics (Textiles): Laser cutting is well-suited for fabrics, providing clean and sealed edges. It enables intricate designs, custom patterns, and precise cuts in various textiles, including cotton, polyester, nylon, and more. Applications range from fashion and apparel to home textiles and upholstery.
Acrylic: Laser cutting creates precise, polished edges in acrylic, making it ideal for signage, displays, architectural models, and intricate designs.
2.Metals
Laser cutting proves particularly effective for various metals, thanks to its ability to handle high power levels and maintain precision. Common metal materials suitable for laser cutting include:
Steel: Whether it's mild steel, stainless steel, or high-carbon steel, laser cutting excels at producing precise cuts in metal sheets of varying thicknesses. This makes it invaluable in industries such as automotive, construction, and manufacturing.
Aluminum: Laser cutting is highly effective in processing aluminum, offering clean and precise cuts. The lightweight and corrosion-resistant properties of aluminum make it popular in aerospace, automotive, and architectural applications.
Brass and Copper: Laser cutting can handle these materials, which are often used in decorative or electrical applications.
Alloys: Laser cutting technology can tackle various metal alloys, including titanium, nickel alloys, and more. These alloys find applications in industries such as aerospace.
Laser marking on metal
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Post time: Jul-03-2023