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Comparison of applicable materials and effects of several mainstream laser marking machines
When choosing a laser marking machine, first confirm the material of your product, because different materials absorb laser light differently, and the wavelength of the laser determines the degree of light absorption. Different laser wavelengths are named as different laser sources , Therefore, for different materials, different laser sources should be selected.
Fiber laser marking machine, wavelength 1064nm, main application fields: hardware, plastic, label paper, etc.;
CO2 Laser marking machine, wavelength 10.6nm, main application areas: bamboo, cloth, ceramics, acrylic, leather, etc.; (principle: CO2 gas is used to charge the discharge tube as the medium for generating laser, when a high voltage is applied to the electrode, the discharge When a glow discharge is generated in the tube, the gas molecules can release the laser light, and the laser energy can be amplified to form a laser beam for material processing.)
Ultraviolet laser marking machine ( UV laser marking machine), wavelength 355nm, main application areas: silicone, UV plastic, paper, glass and other heat-sensitive materials;
Green laser marking machine, wavelength 532nm , Main application areas: film, fruit, egg, carton, tempered glass and other heat-sensitive materials.
Can only one material be engraved with one laser source? Of course not, some materials are suitable for a variety of laser sources, but the laser absorption procedures for different wavelengths are different, and the effect is good or bad, depending on the user's acceptance procedure. For example: glass engraving can use three laser sources of carbon dioxide, ultraviolet and green light, the effect:
Carbon dioxide laser marking machine - the glass is relatively rough, and it is easy to produce glass slag :
UV laser marking machine - cold light source, very fine and uniform glass marking;
green laser Marking machine - glass engraving, internal plane engraving.
Therefore, how to choose a suitable laser marking machine, you need to focus on the effect of sample marking, and determine which laser marking machine to use based on the effect of the sample.
(This article is edited by the editor, please be sure to indicate the source:)
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