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What is the difference between fiber laser marking machine, CO2 laser marking machine and semiconductor laser marking machine?

Views:260     Author:Site Editor     Publish Time: 2021-06-05      Origin:Site

There are many friends who don’t know much about laser marking machines. Today, there are three types of laser marking machines that are most widely used in the market: fiber laser marking machines, CO2 laser marking machines, and semiconductor laser marking machines. Today, the sales manager of Datu Laser will share with you:


1. Different lasers

The fiber laser marking machine uses a laser doped with rare-earth element glass fiber as the gain medium. The laser has the longest service life, which can reach 100,000 hours.

The CO2 laser marking machine uses infrared light band, 10.64μm gas laser, and the life of the laser is about 30,000 hours.

The semiconductor laser marking machine uses a semiconductor laser, and the life of the laser is about 30,000 hours.


2. Different application industries

Fiber laser marking machine can process a variety of metal and non-metal materials, especially for high hardness, high melting point, and brittle materials. Widely used in integrated circuit chips, computer accessories, industrial bearings, watches, electronic and communication products, aerospace devices, various auto parts, home appliances, hardware tools, molds, wires and cables, food packaging, jewelry, tobacco, and military affairs, etc. Field graphics and text marking, and mass production line operations.

Co2 laser marking machine can mark a variety of non-metallic materials and some metal products, such as bamboo products, wood, paper, ABS, PVC, epoxy resin, acrylic, leather, glass, architectural ceramics, rubber and so on. Widely used in pharmaceutical packaging, food packaging, beverage packaging, plastics, textiles, leather, wood, handicrafts, electronic components, communications, watches, glasses, printing and other industries.


The semiconductor laser marking machine can engrave metals and a variety of non-metallic materials. It is especially suitable for some occasions requiring fine marking and high precision. Used in electronic components, hardware products, tool accessories, integrated circuits (IC), electrical appliances, mobile communications, precision equipment, glasses and watches, jewelry, auto parts, plastic buttons, building materials, PVC pipes, PPR pipes, medical equipment, etc. industry.


3. Processing efficiency and processing accuracy are different

The processing speed of fiber laser marking machine is fast, 2-3 times of traditional marking machine and 3 times of semiconductor laser marking machine.

The laser beam of the fiber laser marking machine is thinner and has the highest precision. The fiber laser marking machine is a nano-level processing method, and the CO2 laser marking machine is a micron level; the divergence angle of the fiber laser marking machine is 1/4 of that of the semiconductor pump laser, so the fiber laser marking machine is especially suitable for Fine and precise marking. However, the power is smaller than that of a semiconductor laser marking machine, and the depth of one-time printing is not as good as that of a semiconductor.

4. Different maintenance costs

The fiber laser marking machine is maintenance-free, and the electro-optical conversion efficiency is more than 28%, which is very energy-efficient.

The CO2 laser marking machine needs to be charged (carbon dioxide gas) after being used for a period of time.

The structure of the semiconductor laser marking machine is more complicated, and the failure rate is higher. In addition, semiconductors are relatively large in size and consume a little more power, so the maintenance cost is higher.


5.Different prices

The price of fiber laser marking machine is the highest, while CO2 laser marking machine and semiconductor laser marking machine are cheaper.

6. Different sizes

The fiber laser marking machine uses an air-cooled device, which is generally an all-in-one machine, which is small in size and more convenient to use; semiconductors generally use a water-cooled device, which is larger.


On the whole, although the purchase cost of fiber laser marking machine is higher, it has the most advantages. Fiber laser marking machine, CO2 laser marking machine and semiconductor laser marking machine each have their own advantages and disadvantages, and they also have their own irreplaceable aspects. You can choose according to your actual needs and budget. If you have any questions, please feel free to contact Datu Laser. Datu Laser has been focusing on laser machinery for 10 years. Datu Laser is online 7*24 hours.

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