What aspects to look for when choosing to buy a laser marking machine

The marking quality of the laser marking machine depends on the scanning accuracy of the scanning galvanometer. Generally, foreign ones are better than domestic ones. At the same time, the quality of the software also affects the marking quality. When purchasing a laser marking machine, pay attention to the software manufacturer. .

The life of the laser marking machine basically depends on the life of the laser. The life of the semiconductor side pump laser is between 7000 and 10,000 hours, and the life of the fiber laser is between 70,000 and 100,000 hours. Therefore, the life of the fiber laser marking machine is about 10 times that of the semiconductor side pump laser marking machine. The price of the fiber laser marking machine is about 3 times that of the semiconductor side pump laser marking machine. If the one-time investment limit is not considered, the fiber laser marking machine should be the best choice.

Different types of laser marking machines are suitable for different materials, such as marking on plastic, wood, leather, clothing It is preferably a carbon dioxide laser marking machine. For marking on metal, a semiconductor side pump or a fiber laser marking machine should be selected, and if it is to mark glass ceramics, it is best to use an ultraviolet laser marking machine.

Comparison of laser performance of various marking machines

Laser power includes average power (also called continuous power) and peak power , Continuous lasers take the average power as a constant index, and mainly show the burning effect in processing. For example, the pulse laser of laser cutting machine takes the peak power (single pulse energy) as the constant standard, and the processing is mainly manifested in instant melting, instant engraving depth, etc., for example : Laser marking machines, laser welding machines, laser drilling machines, etc., the lasers used are all pulsed (except CO2 lasers). The peak power of the semiconductor end-pumped laser is twice that of the semiconductor side-pumped laser and 4.66 of that of the fiber laser. Therefore, it has the advantages of metal engraving, and can easily achieve deeper engraving on the metal surface, with higher efficiency and more advantages.

At the same time, due to better beam quality and finer lines, semiconductor side pump lasers do not have the The advantage is that the M2 factor is too large to make the lines of the laser marking machine very thick (0.1mm), which is 3 times that of the semiconductor end-pumped laser and the fiber laser, and can only be suitable for occasions without too high requirements.

(This article is edited by the editor, please be sure to indicate the source:)

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