What is a laser marking machine?
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What is a laser marking machine?

Views: 16     Author: Site Editor     Publish Time: 2019-10-09      Origin: Site


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What is a laser marking machine?

What is alaser marking machine? According to the literal understanding, this machine can use lasers to mark materials. This statement is actually general and broad. Because it is not just laser marking, laser engraving and laser etching are equally possible. But in reality they are different. So distinguishing them is the first step in understanding the title.


1 The Laser Marking Process

The principle of laser marking is that the laser contacts the material and reacts with the material to achieve discoloration of the surface of the material. In this process, a portion of the material irradiated by the laser undergoes a change in properties to achieve laser marking.

It is achieved by moving a low-powered beam slowly across the material using a method called discoloration, which creates high-contrast marks without disrupting the material.

The second step, Laser heats the material, causing oxidation under the surface and turning the material black.

The third step, It applies low temperatures to metal to anneal the surface.

Throughout the process, the surface of the material is intact, but some of the material that is irradiated by the laser changes in nature, but this part of the material does not disappear.


2 Differences of three technologies

In a more figurative way, laser marking is equivalent to attaching a sticker to the surface of the material, while laser engraving removes a portion of the material. Laser engraving directly illuminates and evaporates off the surface of the material by irradiation of a high-energy laser beam, thereby presenting a design pattern. In this process, the material is reduced in part and is consistent with traditional engraving, hence the name laser engraving.

Another technique called laser etching is homologous to laser engraving. Laser engraving heats the material and evaporates a portion of the surface. Laser etching, on the other hand, heats the material, causing the surface of the material to melt, thereby bulging a portion.

It can be said that these three technologies are very similar, but because of the different energy of the laser, the results are different. The purpose of laser marking is to change the color of the material, laser engraving removes some of the material, and laser etching is the surface expansion of the material.


3 What is a laser marking machine?

After learning about the use of different intensity lasers, we can now answer this question. A laser marking machine is a machine that uses a low-power laser beam to change the color of a material's surface.

At present, there are not many laser marking machines on the market, and the laser engraving machine is more widely used, but the laser marking machine can achieve similar effects to laser engraving. Laser marking machines that use low-power lasers are more energy efficient.


4 Contact us


We are a professional laser marking machine and CNC Router Manufacturer from China. If you are interested, please call us and we will provide you with the best solution.We are always here and ready for you.

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