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The difference between fiber, CO2 and UV laser marking machine

by:Leadtech Coding     2021-12-03

Laser Marking Machine (LaserMarking Machine) is a marking equipment that uses a laser beam to make permanent marks on the surface of various materials. Common laser marking machines include fiber laser marking machine, carbon dioxide laser marking machine and ultraviolet laser marking machine, etc. The main difference between the three laser marking machines is the laser, laser wavelength and application field.

1. Fiber laser marking machine

OpticalFiber Laser Marking Machine uses fiber laser It is a marking equipment that strikes a laser beam on the surface of various materials, and uses light to cause physical or chemical changes to the surface material, thereby engraving patterns, trademarks and texts and other permanent marks. Its components include: fiber laser, laser galvanometer, field lens, industrial computer, display, cabinet, control switch, power supply, ruler and lifting shaft, etc. MOPA laser marking machine also belongs to the type of fiber laser marking machine.

2, CO2 laser marking machine

The carbon dioxide laser marking machine (CO2 LaserMarking Machine) uses infrared light band 10.64 μm gas laser, the CO2 gas is charged into the high-voltage discharge tube to generate glow discharge, so that the gas molecules release the laser, and the laser energy is amplified to form a laser beam for material processing. The laser beam vaporizes the surface of the processed body to reach The purpose of carving.

3. Ultraviolet laser marking machine

UV Laser Marking Machine (UV Laser Marking Machine) uses 355nm ultraviolet laser , A marking device that strikes a laser beam on the surface of a variety of different substances, and directly breaks the molecular chain of the substance through a short-wavelength laser, thereby engraving permanent marks such as patterns, trademarks and text.

The differences between optical fiber, carbon dioxide and ultraviolet laser marking machines are as follows:

1. Different lasers: fiber laser marking machine adopts fiber laser, carbon dioxide laser marking machine adopts CO2 gas laser, and ultraviolet laser marking machine adopts short-wavelength ultraviolet laser.

Ultraviolet laser is a technology that is completely different from carbon dioxide and fiber laser technology. Ultraviolet laser is also called blue laser beam. This technology has the ability to engrave with low heat , It does not heat the surface of the material like the fiber and carbon dioxide laser marking machine, it belongs to cold light engraving.

2. The laser wavelength is different: the laser wavelength of the fiber marking machine is 1064nm, the laser wavelength of the carbon dioxide laser marking machine is 10.64μm, and the laser wavelength of the ultraviolet laser marking machine It is 355nm.

3. Different application fields: CO2 laser marking machine is suitable for most non-metallic materials and some metal products, and fiber laser marking machine is suitable for most metals For engraving materials and some non-metallic materials, the UV laser marking machine can clearly mark all plastics and other materials that have adverse reactions to heat. It is especially suitable for marking, micro-perforating, and high-speed division of glass materials for food and pharmaceutical packaging materials. Application areas such as complex pattern cutting on silicon wafers.

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