The metal nameplate is a common identification plate in industrial production. Its main function is to convey information such as the manufacturer's brand, trademark, product parameters, production date, production specifications, and QR code to customers. The material of the metal nameplate mainly includes copper, aluminum, stainless steel, alloy, etc., because it is easy to preserve, wear-resistant and has a good appearance and texture, so it is widely used.
Metal nameplate laser marking generally refers to the non-contact processing of the nameplate surface by the fiber laser marking machine, which does not damage the nameplate and also has the characteristics of high marking accuracy, fast speed, and permanent marking.
The traditional marking methods of metal nameplates include silk screen printing and pad printing:
The working principle of silk screen printing is very simple. First, engrave the pattern to be printed on the steel plate, and then print it on the surface of the nameplate through the printing screen.
Pad printing is to first make a plate of the pattern to be printed, engrave a gravure on the steel plate, and then print it on the surface of the product with a silicone transfer head.
Compared with metal nameplate laser marking machines, silk screen and pad printing generally have the following problems:
1. Poor wear resistance
The metal nameplate adopts the effect of silk screen printing and pad printing, and its wear resistance is much worse than that of laser marking.
2. The aesthetics are not high
For some products that have high requirements on the appearance of the nameplate, the printed information on the metal surface is relatively rough.
3. Not environmentally friendly enough
Chemical raw materials such as organic solvents and heavy metal elements are used in the silk screen printing process. These substances have certain toxicity. During the drying process of screen printing inks, volatile chemical raw materials gradually volatilize into the air, causing pollution to the air and the environment.
4. High environmental requirements
The nameplates of some equipment are subject to immersion, high temperature, and chemical pollution due to production environment problems. The nameplates marked by traditional methods have low tolerance and may be damaged.
The metal nameplate is marked with a laser marking machine, which only needs to be controlled by a computer. It is easy to operate and can print various complex patterns, characters, two-dimensional codes, etc. The workpiece will not produce internal stress after marking, ensuring the originality of the workpiece Accuracy, and the mark will not fade due to environmental relations (touch, acid and reducing gas, high temperature, low temperature, etc.), environmental protection and pollution-free, not easy to be tampered with and has high anti-counterfeiting.
