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Color effect of fiber laser marking machine marking

by:Leadtech Coding     2021-11-16

The fiber laser marking machine uses laser to act on the surface of the product to be marked, and through physical changes, it produces marking effects. Generally, it can only mark white, black, and yellow. In practical applications In, it is not possible to produce colorful effects like cij printers.

Marking is a newly emerging laser marking process. When the metal materials such as stainless steel, chromium, titanium and other metal materials are irradiated with laser pulses, they can produce colorful oxides. Therefore, lasers can be used to make a certain area of u200bu200bthe metal surface have different colors to obtain color markings. .

Laser marking machine manufacturers have found that the key to achieving colorization of metal surfaces is to strictly control the pulse energy and pulse width of the laser. High-frequency, low-pulse energy lasers are more suitable for this application, and because of their adjustable pulse parameters and good beam quality, fiber lasers are a suitable choice. By strictly controlling heat injection, fiber lasers can make colorful marks on metal surfaces. When the laser pulse repetition frequency exceeds 125kHz, the color obtained is deeper, and this repetition frequency is unattainable by other lasers.


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