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Look at the marking materials
According to different lasers, laser marking engraving machine can be divided into: fiber laser marking machine, CO2 laser marking machine and UV laser marking machine. Different workpiece materials, different laser marking machines, different wavelengths and powers, and different materials suitable for marking.

Fiber laser markers are ideal for black-annealed marking and deep engraving into metal.Fiber laser markers have a 1090 nm wavelength, making them IR (infrared) lasers. Fiber lasers can mark a wide range of materials, though they are optimized for metal marking applications. Their high power makes them perfect for annealing and engraving applications, but they cannot mark transparent objects since IR light passes straight through.

Co2 laser markers adopt world famous digital laser scanning head, this Co2 laser markers are quite suitable for users requiring highest precision and fastest speed batch production, tags, nameplate, logos.

Co2 laser markers are widely used in the field of non-metal field, such as: garment & shoes engraving, fabric cutting, medical packaging, handicrafts & gift, food printing, soft drink printing, cigarette code, beverage packaging tobacco printing, rubber marking machine, acrylic marker, water bottle marker, marking on plastic, leather engraving industries.

UV laser marking machines are the current players that have made a permanent place for themselves in the world of today. The marks on medicine packaging and on the tablets themselves are made by a laser.

Furthermore, the complex safety features on ID and credit cards are made by laser and eyeglasses have almost invisible marks made by the same technology. The lasers in use for these applications are ultraviolet (UV) lasers that generate light with wavelengths in the range of 150 to 400 nm

Look at the size of the processed workpiece
After knowing the marking materials, select the corresponding marking machine type, and then select the appropriate machine format according to the product size to be processed. For the selection of the size of the laser marking machine, the larger the machine size, the better. On the one hand, large format equipment is certainly more expensive. On the other hand, the average laser output of some poor quality machinery and equipment at various points on the large format is unstable, resulting in different depths of marking products on the same table. Therefore, it is correct to choose the most appropriate format.

See specific process requirements
Even laser marking can be subdivided into plane marking, three-dimensional marking, fixed marking, flying marking, marking and scribing and other more specific processing processes. Before purchasing equipment, users must inform the marking machine supplier of their detailed requirements, so as to select the most appropriate equipment.

See supplier qualification
When choosing laser marking engraving machine, many people often focus on the contract and price, thus ignoring some qualification problems of suppliers, which is easy to leave unnecessary trouble for future work. When selecting a laser equipment supplier, it is best to investigate the other party in many aspects, such as whether the company has relevant licenses, whether the laser equipment has qualification certificates, whether the engineers have qualification certificates, etc.

Look at the supplier’s service
With the increasingly fierce competition in the laser industry, customers should not only pay attention to the product quality and enterprise qualification, but also understand the services provided by the laser marking machine company in detail. You can refer to the reputation of market users and the after-sales service quality of manufacturers.

These basic factors can help you make an informed decision when purchasing a laser marking engraving machine for your company.