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Differences between fiber optic, CO2 and UV laser marking machines

Aug 01, 2024

 

fiber laser marking machine

Fiber Laser Marking Machine

A fiber laser marking machine is a cutting-edge device that uses advanced fiber laser technology to create precise markings on various materials. By harnessing the power of laser beams, it permanently imprints patterns, trademarks, or text onto surfaces through physical or chemical alterations. This efficient and accurate process caters to the marking needs of diverse industries and businesses.

Key components of this machine include a fiber laser, galvanometers, mirrors, industrial computer, monitor, cabinet, control switches, power supply, rulers, and lifting axes.

It's important to note that MOPA laser marking machines are a specific type of fiber laser marking machine.

mopa fiber laser marking machine

 

UV laser marking machine

Uv Laser Marking Machine
The UV Laser Marking Machine uses a 355nm ultraviolet laser to shine the laser beam on the surface of various materials. It directly breaks the molecular chain of the material through the short-wavelength laser, thereby engraving permanent markings such as patterns, trademarks and texts.

co2 laser marking machine

Co2 Laser Marking Machine

A CO2 laser marking machine employs infrared laser technology to produce a highly focused beam. By ionizing CO2 gas, this machine generates a laser beam that can precisely vaporize the surface of various materials, creating intricate and permanent markings.

 

The Difference Between Fiber Optic,  CO2 and Uv Laser Marking Machines

1. Different lasers
The lasers are different. Fiber laser marking machines use fiber lasers, while carbon dioxide laser marking machines use CO2 gas lasers. UV laser marking machines are equipped with short-wavelength ultraviolet lasers. It is worth noting that UV laser technology is significantly different from carbon dioxide and fiber laser technology. Ultraviolet lasers, also known as blue laser beams, are known for their unique low-heat engraving capabilities. Instead of marking by heating the material surface, it achieves so-called "cold light engraving", a feature that gives it a significant advantage when working with certain materials that need to be protected from thermal effects.

2. Different laser wavelengths

The laser wavelengths are different. The laser wavelength used by the fiber optic marking machine is 1064nm, while the CO2 laser marking machine uses a laser with a wavelength of 10.64μm. As for the UV laser marking machine, its laser wavelength is 355nm. Such differences reflect the uniqueness and professionalism of different laser technologies in marking applications.

3. Each application field has its own characteristics
CO2 laser marking machine is widely used in the engraving of most non-metallic materials due to its excellent performance, and it can also handle the fine carving of some metal products.
In contrast, fiber laser marking machine focuses more on the processing of metal materials, showing precise control over most metal materials, and can also flexibly handle the needs of some non-metallic materials.
The UV laser marking machine, with its unique advantages, shines in specific fields. It can clearly and accurately mark all materials that are sensitive to heat, especially plastics, ensuring the losslessness and efficiency of the marking process. This feature makes it particularly suitable for packaging material marking in the food, medicine and other industries, as well as high-precision operations such as micro-hole processing and high-speed division of glass materials. In addition, the UV laser marking machine is also capable of cutting complex graphics of high-tech materials such as silicon wafers, showing its unlimited potential in the field of high-end manufacturing.

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