water cooled uv laser source marking milk carton bottle food plastic bag

How are the production date and product batch number printed on the packaging of food plastic bags or milk cartons? Initially, this kind of identification code was the traditional inkjet printer equipment. With the improvement of food standards, the traditional inkjet printer was gradually replaced by the laser marking machine.

As more and more manufacturers use laser marking machines, laser marking machines are rapidly gaining popularity in the domestic packaging industry. Laser marking machines have fast marking speed, high efficiency, no consumables, no pollution, and are convenient and fast to operate. The computer software can be operated in visual and text, and the marking pattern can be changed at will, and the serial number can be set to increase or decrease automatically. There is no need to replace the mold, and the marking pattern can never be erased.

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Laser marking machine is a very general title. According to the light source, it can be divided into: fiber laser marking machine, semiconductor laser marking machine, ultraviolet laser marking machine, CO2 laser marking machine, etc., used in food plastic bags Or milk boxes are mainly UV laser marking machines and CO2 laser marking machines. These two laser marking machines have better absorption of the above packaging materials and can clearly mark and engrave.

Now well-known domestic companies such as Mengniu, Yili, Coca-Cola, and other large enterprises use laser coders to mark products, which not only improves production efficiency, but also saves a lot of labor and inkjet printer ink and solvent costs.

RFH Laser can meet a variety of food packaging plastic bags/bottles/boxes. We belong to the source manufacturers. We can design products independently, customize product power or appearance according to user needs, and can also match production lines. Welcome to inquire, you can advance Mail the product proofing to see the effect.