Why is CO2 (carbon dioxide) laser marking machine not suitable for engraving metal

Usually, laser marking machines use different marking machine types depending on the material, because the configuration principles of different models are very different, and they are very sensitive to the product material. Many merchants ask why the carbon dioxide laser marking machine can not mark metal products? The following laser editor will give you an analysis: carbon dioxide laser marking machine is also called CO2 laser marking machine. Generally used in wood products, plexiglass, glass, stone, crystal, Corian, paper, two-color board, acrylic, leather, resin, etc.

CO2 laser marking machine generally uses CO2 laser, and the power of the laser tube currently used belongs to the range of medium and small power. Z largest is also 300W. Why is CO2 (carbon dioxide) laser marking machine not suitable for metal products? Although the market of CO2 laser marking machine is quite large, it is not suitable for every industry. The reason is that it uses the infrared band with a wavelength of 10.6nm, which is only limited to processing soft products, and cannot be used for metal products at all. Different wavelengths can play different materials. Originally, metals absorb less laser light of this wavelength. Therefore, carbon dioxide laser marking machines are generally not used to engrave metal.

1. Dot matrix engraving Dot matrix engraving is like high-definition dot matrix printing. The laser head swings left and right, engraving a line consisting of a series of points each time, and then the laser head moves up and down at the same time to engrave multiple lines, which form a full-page image or text. Scanned graphics, text and vectorized graphics can be engraved using dot matrix.

2. Vector cutting is different from lattice engraving. Vector cutting is carried out on the outer contour of the graphic. We usually use this mode for penetrating cutting on wood, acrylic, paper and other materials, and also for marking on a variety of material surfaces.

3. Engraving speed: Engraving speed refers to the speed at which the laser head moves, usually expressed in IPS (inches per second). High speed brings high production efficiency. Speed u200bu200bis also used to control the depth of cut, for a particular laser intensity, the slower the speed, the greater the depth of cut or engraving. You can use the engraving machine panel to adjust the speed, you can also use the computer's print driver to adjust. In the range of 1% to 99.9%, the adjustment is 1%. Hummer's advanced motion control system allows you to obtain ultra-fine engraving quality when engraving at high speed.

4. Engraving intensity: Engraving intensity refers to the intensity of the laser light hitting the surface of the material. For a given engraving speed, the greater the intensity, the greater the depth of cut or engraving. You can adjust the intensity with the engraving machine panel or with the computer's print driver. In the range of 1% to 99.9%, the adjustment is 1%. The greater the strength, the greater the speed. The depth of the cut is also deeper.

5. Spot size: The spot size of the laser beam can be adjusted by using lenses with different focal lengths. Small spot lens for high resolution engraving. A lens with a large spot is used for lower resolution engraving, but for vector cutting it is ideal. Standard on the new device is a 2.0-inch lens. Its spot size is in the middle, which is suitable for various occasions.

(This article was originally created by Laser, reprint must indicate the source: www., cherishing the fruits of other people's labor is to respect yourself)

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