There are many applications for lasers. Lasers can be used to mark objects. Surfaces are engraved or marked using laser beams. A wide variety of products can be marked with lasers today. There are many applications for lasers. Laser marking involves many different processes such as ablation, engraving, foaming, coloring, staining, carbonizing, etc. Depending on the material and application, the appropriate method is chosen.
- Laser marking is discussed in this section
- It is possible to mark with lasers in two ways
- Evaluation of Laser Marking Techniques Using Laser Marking Techniques
- Laser marking machines offer what benefits?
Laser marking has several benefits
Any other marking method cannot compare to the laser maker machine. Lasers have numerous applications. A notable one is laser marking. Lasers can be used to engrave or mark surfaces. Laser engraving has become increasingly popular. Different laser marking methods are available. A variety of processes can be done with it, including engraving, foaming, coloring, staining, and carbonization. It depends on the material and the quality requirements.
Marking with a laser has a number of advantages
The advantages of lasers over other methods are numerous. Consider these.
Contact should be avoided
The laser does not require any contact to mark. The material is not touched. Laser beams target the area of interest. This protects it from abrasion.
Lasers are capable of marking very precisely. They are capable of marking very precisely even on very small objects. These devices are commonly used to print circuit boards. They leave visible markings.
Using lasers for marking: an overview
Lasers became available in 1965, but were initially only intended for cutting. The possibilities became more and more varied as new processes were developed.
Marking materials with lasers is possible
Metals of all kinds can be engraved with lasers. Lasers can also be used to work with silicone, along with plastic, ceramic, and glass. LEDs, graphite, rubber, and composite materials can all be dyed with colors. Rubies, sapphires, and diamonds are not the only precious gems that can be engraved with lasers.
It is possible to engrave items using lasers
Lasers remove some material from surfaces to engrave them. This results in an indentation. Different types of materials can be used for this. Materials such as metals, plastics, gemstones, and ceramics can be used.
Laser marking machines are they possible to use?
In laser marking machines, different types of lasers can be used. Choosing between the two will depend on the application, budget, and quality requirements. There are fundamental differences between solid-state lasers and gas lasers. The options are listed below.
Using CO2 lasers to mark
During CO2 laser marking, CO2 is heated in a sealed chamber. Another difference between a gas laser and a CO2 laser is its name. The gas laser is powered by an electric current. Mirrors increase the intensity of the radiation so it can be focused on the marking material. As well as their efficiency, CO2 lasers have excellent beam quality. CO2 lasers can cut a wide variety of materials in addition to wood, metal, acrylic, glass, and paper. In spite of being one of the oldest methods, laser manufacturing remains popular today. Branding, date stamping, and marking products are some of their other uses.
Also read: laser marker
Fibers are marked with lasers
Nowadays, fiber lasers are most commonly used for laser marking. This process is usually performed with solid-state lasers. The laser sources for this system are usually rare-earth elements.
This setup gives you the ability to mark faster and more efficiently since it is smaller and more versatile. Additionally, the setup requires no consumables and requires little maintenance.
Ownership costs are lower, and the machine is more reliable than other machines. PCBs, plastics, nickel, and gold are used in addition to these materials. There are other materials that may be used as well.
The machine costs less to own and has a better reputation for reliability compared to other machines. It is possible to mark PCBs on almost any material, including plastic, nickel, and gold plating. These materials can be marked as well as sensitive ones.
Plastics should be annealed, engraved, and marked with fibre lasers as an ideal solution. Furthermore, they provide 25,000 hours of service.
Is laser engraving and marking possible on metals?
The fact is, it’s nearly impossible to find a metal that can’t be laser etched or marked. In addition, there are many methods of identifying and engraving metals: From black marking to “simple” engraving to three-dimensional engraving. It is possible to protect micro engravings with laser-changeable images, in addition to decorative surface structures.
Stainless steel is marked with lasers in the medical industry
Marking medical devices is about much more than just complying with regulations. Regardless of whether manufacturers are required to follow global standards and apply all ID marks reliably with repeat accuracy, all medical products must be properly marked. Medical products must be marked in a traceable manner. Laser marking can provide these markings while increasing production efficiency and reducing scrap.