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What are the types of laser marking machine equipment

by:Leadtech Coding     2021-11-06

Laser marking machine is used in laser welding, laser heat treatment, laser cutting, laser marking A new processing technology developed after application technologies such as holes is a non-contact, non-polluting, and non-wearing new marking process. In recent years, with the improvement of the reliability and practicability of lasers, the rapid development of computer technology and the improvement of optical devices have promoted the development of laser marking technology. Next, Laser Technology Co., Ltd. will introduce to you what types of laser marking machines are available in the market.

1. Ultraviolet marking machine

The ultraviolet marking machine is a series of laser marking machines, but it is developed by using a 355nm ultraviolet laser. This machine uses three Compared with the infrared laser, the 355 ultraviolet light focusing spot is extremely small, which can reduce the mechanical deformation of the material to a large extent and the processing heat effect is small, because it is mainly used for ultra-fine marking and engraving, and it is especially suitable for use. It is used in the fields of food and medical packaging materials marking, micro-hole drilling, high-speed division of glass materials, and complex pattern cutting of silicon wafers.

2. Green laser marking machine

The green laser marking machine is a kind of laser marking equipment, which should be used for the surface and internal engraving of glass and crystal products. , Often called laser engraving machine. The green laser is a green laser beam that is pumped by a high-power multi-mode laser diode to generate a laser re-frequency doubled, and then a high-speed scanning galvanometer is controlled by a computer to deflection to achieve marking or cutting.

3. Fiber laser marking machine

Fiber laser marking machine adopts imported laser, equipped with high-speed galvanometer scanning system and professional laser marking software. As the price of fiber lasers continues to drop, fiber laser marking machines will be the mainstream in the future. Since the fiber laser adopts a modular design and integrated air-cooled device, the fiber laser marking machine is smaller than other laser marking machines. A few days ago, we launched a smaller fiber laser marking machine. Compared with other lasers, fiber lasers have higher photoelectric conversion efficiency and better beam quality, so the lines produced by fiber laser marking machines are also better. Of fine. Fiber laser marking machine is suitable for marking all kinds of metal and non-metal materials.

4. Semiconductor laser marking machine

The working principle of semiconductor laser pumped all-solid-state laser (DPSSL) for laser marking is to use high-power semiconductor quantum well laser instead of gas The lamp-pumped solid crystal is a gain medium laser resonant cavity, so that it can generate a new wavelength of laser light, and use the crystal preparation frequency mixing to generate SHG, THG and other wavelength lasers. Through the design, the entire laser marking process, operating procedures and quality standards from re-inspection of raw materials, production, process inspection, final assembly commissioning to final product inspection have been established.

5. Lamp-pumped YAG laser marking machine

The YAG laser is a solid-state laser with a wavelength of 1.064um in the infrared light band, using a krypton lamp as the energy source (excitation source) , ND: YAG (Nd: YAG laser. Nd (neodymium) is a rare earth element, YAG stands for yttrium aluminum garnet, the crystal structure is similar to ruby) as a medium for generating laser light, the excitation source emits incident light of a specific wavelength, prompting The working substance undergoes a population reversal, and the laser is released through energy level transitions, and the laser energy is amplified and reshaped and focused to form a usable laser beam.

6. CO2 laser marking

The CO2 laser marking machine uses a laser beam to make permanent marks on the surface of various materials. The effect of marking is to expose deep material through the evaporation of surface material, thereby engraving exquisite patterns, trademarks, dates, LOGO or text. At present, CO2 laser marking machines are mainly used in some occasions that require finer and higher precision. Used in food, medicine, wine, electronic components, integrated circuits (IC), electrical appliances, mobile communications, building materials, PVC pipes and other industries, the main advantage of CO2 laser marking machines and cij printers is that they have no consumables and are permanent.

The above is the introduction of various types of laser marking machines. As a well-known laser equipment manufacturer in China, Laser Technology Co., Ltd. continuously promotes the application of laser marking machines in various industries and provides a complete set of industries. solution. You are welcome to inquire for proofing, and we look forward to seeing you!

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