Why CO2 laser marking machine is not suitable for engraving metal

Carbon dioxide laser marking machine is mainly used for non-metal (wood, acrylic, paper, leather, etc.), widely used in electronic components, electrical parts, medicine, food, handicrafts, leather products, plastic products and other industries. But carbon dioxide laser marking machine engraving metal but there are problems, the reasons are analyzed as follows:

1. Dot-matrix engraving dot-matrix engraving cool high-definition dot-matrix printing. The laser head swings left and right, each engraved by a series of points consisting of a line, and then the laser head at the same time moving up and down to carve out multiple lines, and finally constitute a full page of images or text. Scanned graphics, text and vectorized graphics can be used dot matrix engraving.

2. Vector cutting is different from dot matrix engraving in that vector cutting is done on the outer contour lines of the graphic. We usually use this mode to cut through materials such as wood, yak grain, paper, etc., and can also marking operations 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 productivity. Speed is 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 adjust the speed using the engraver's panel or by using your computer's print driver. The adjustment is 1% over a range of 1% to 100%. The advanced motion control system of the Hummer machine allows you to engrave at high speed and still get super fine engraving quality.

4. Engraving Intensity: Engraving intensity refers to the intensity of the laser light directed at the surface of the material. For a particular engraving speed, the greater the intensity, the greater the depth of cut or engraving. You can use the engraver panel to adjust the intensity, or you can use the computer's print driver program to adjust. The adjustment is 1% over a range of 1% to 100%. Greater intensity equates to greater speed. The depth of cut is also deeper.

5. Spot size: The laser beam spot size can be adjusted using lenses with different focal lengths. Small spot lens for high-resolution engraving. Large spot lens for lower resolution engraving, but for vector cutting, it is the best choice. The new unit comes standard with a 2.0-inch lens. Its spot size is in the middle of the range for a variety of applications.

CO2 laser marking machines generally use CO2 lasers, and the power of the laser tubes used today are in the small to medium power range. The maximum is 300 W. Originally, the metal of this wavelength laser absorption is less. So carbon dioxide laser marking machine is generally not used for engraving metal.

Three commonly used marking machine scope of application:

CO2 laser marking machine: can be widely used in electronic components, electrical parts, medicine, food, handicrafts, leather products, plastic products and other industries.

Semiconductor laser marking machine: especially suitable for applications requiring fine marking, high precision occasions. Used in electronic components, hardware, tools, integrated circuits (IC), electrical appliances, cell phone communications, precision instruments, glasses, clocks and watches, jewelry, auto parts, plastic keys, building materials, PVC pipe, PPR pipe, medical equipment and other industries.

Fiber laser marking machine: widely used is integrated circuit chips, computer parts, industrial bearings, clocks and watches, electronic and communication products, aerospace devices, a variety of automotive parts, home appliances, hardware tools, molds, wires and cables, food packaging, jewelry, tobacco, as well as military affairs, and many other areas of graphic and text marking, as well as large quantities of production line operations.

Therefore, it is very important to choose the right laser marking machine, you can according to their own industry needs, make a reasonable choice.