Classification of laser marking machines

Laser marking machine is divided into UV laser marking machine, green laser marking machine, lamp pumped ND: YAG laser marking machine, CO2 laser marking machine, semiconductor end pumping marking machine, semiconductor side pumping machine Pu marking machine and fiber laser marking machine, they have some differences in wavelength, working principle, scope of use, price of laser marking machine, etc.:

1. Different laser wavelengths

Ultraviolet laser: 266 nm;

Green laser: 532nm;

Lamp-pumped YAG, side-pumped YAG, end-pumped YAG, fiber laser: 1064nm;

CO2 laser: 10.64um;

3. Different working principles

Lamp-pumped YAG laser marking machine: using krypton lamp as energy source (excitation source), ND : As a medium for generating laser, YAG emits a specific wavelength, which promotes the transition of the production energy level of the working material to release the laser, and after the laser energy is amplified, a laser beam for material processing is formed.

CO2 laser marking: CO2 gas is charged into the discharge tube as a medium for generating laser light. When a high voltage is applied to the electrode, a glow discharge is generated in the discharge tube, and the gas molecules can release laser light. After the laser energy is amplified, a laser beam for material processing is formed.

Semiconductor side pump laser marking machine: use a semiconductor laser diode with a wavelength of 808nm to pump the Nd: YAG medium, so that a large number of inverted particles are generated in the medium to form a giant pulse laser with a wavelength of 1064nm under the action of Q-switching Output, high electro-optical conversion efficiency

Semiconductor end-pumped laser marking machine: The semiconductor pumping light (808nm) is pumped directly from the end face of the laser crystal, and the laser is generated through the output of the optical mirror group. The line light conversion efficiency is greatly improved.

Fiber laser marking machine: The laser is output directly from the optical fiber.

4, the scope of use is different

CO2 laser marking machine: mainly used for non-metal (glass , wood, jade, acrylic, paper, leather, bamboo products, etc.);

Green laser, UV laser: mainly used for high-end ultra-fine IC and other products. Products are mainly customized;

Lamp-pumped YAG laser marking machine: mainly used for low-demand products such as metal and plastic, and can be used for products that require deep engraving;

Semiconductor side-pumped laser Marking machine: the same use surface as lamp pump YAG laser marking machine, but more stable, suitable for all metal materials, plastic materials, spray materials, etc.;

Semiconductor end pump laser marking machine: with lamp The pump YAG laser marking machine has the same use surface, is stable and saves electricity, and is mostly used for high-end products: spraying materials, film coating materials, all metal materials;

Fiber laser marking machine: fine marking and power saving , maintenance-free, mostly used in jewelry, communication products (mobile phones, tablet computers, etc.), buttons and other high-end products. With the maturity of domestic fiber laser technology, the performance is slightly different from that of internationally renowned brands, and the difference is almost invisible to the naked eye, but the price is much lower; the fiber laser marking machine has become the most cost-effective laser marking equipment at present.

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