Laser marking technology, as an efficient and highly accurate marking method, is widely used in various industries. Different types of laser marking machines vary in applicability according to their principles and characteristics. This article will introduce the main classifications of laser marking machines, compare the advantages and disadvantages of different types of laser marking machines, and discuss their advantages and disadvantages in marking applications. Finally, some suggestions are given for selecting the right laser marking machine for your needs.
Types of laser marking machine
The classification of laser marking machine is mainly based on the type of laser to divide, different types of laser have different wavelength, power, mode, quality and other characteristics, which affects the performance and applicability of laser marking machine. Common types of laser marking machines are CO2 laser, fiber laser and UV laser.
CO2 laser marking machines use CO2 gas as the laser medium. It is suitable for marking on non-metallic materials such as wood, leather, fabric, plastic, glass, ceramics, etc. However, CO2 lasers do not have high power and slow marking speeds, making them unsuitable for some applications that require high-speed marking.
Fiber laser markers use optical fiber as the medium for laser generation and transmission. The advantages of fiber laser markers are high energy conversion efficiency, high-speed marking and long life. It is suitable for marking materials such as metals, plastics and resins. However, fiber laser markers may experience low mark clarity compared to other types of lasers for marking non-metallic materials such as glass and ceramics.
UV laser markers use a UV laser produced by an argon fluoride laser. UV laser markers are characterized by high power, high efficiency and high quality marking. It is suitable for applications that require high-precision and high-speed marking in areas such as integrated circuits, electronic components and medical devices. However, the equipment cost of UV laser markers is high compared to other lasers.
Comparison of different laser markers
Different types of laser markers have their advantages and disadvantages in marking applications. Marking speed, marking depth, marking clarity, marking range, marking durability and marking cost are important factors in evaluating different laser marking machines. Please refer to the table.
| Index | CO2 laser marking machine | Fiber laser marking machine | UV laser marking machine |
| Power | 10-100 Watt | 10-100 Watt | 10-100 Watt |
| Efficiency | 10-20% | 25-30% | 15-25% |
| Stability | More affected by environment | Affected by fiber | More affected by frequency doubling |
| Lifespan | 2-5 years | 8-10 years | 3-6 years |
| Applicable materials | Non-metallic materials | Metals and some non-metallic materials | Almost all materials |
| Marking speed | 100-300 m/min | 300-1000 m/min | 100-500 m/min |
| Marking depth | 0.01-0.3 mm | 0.01-0.5 mm | 0.001-0.01 mm |
| Marking clarity | Highly affected by laser wavelength, etc. | Less affected by fiber diameter, etc. | Less affected by laser power, etc. |
| Marking range | 100-300 mm | 50-200 mm | 10-100 mm |
| Marking durability | More affected by marking material, etc | Less affected by marking material, etc | Less affected by marking material, etc |
Application of different types of laser marking machine
In addition, different types of laser marking machines have different applicability in different industries.
CO2 laser marking machine: CO2 laser marking machine is mainly suitable for marking non-metallic materials, such as wood, leather, fabric, plastic, glass, ceramics, etc., so it has a wide range of applications in textile, leather, furniture, handicrafts, packaging and other industries.
Fiber laser marking machine: Fiber laser marking machine is mainly suitable for marking metal and some non-metallic materials, such as iron, copper, aluminum, stainless steel, alloy, silicon, rubber, plastic, etc., so it has a wide range of applications in the electronics, machinery, automotive, aviation, medical, jewelry and other industries.
UV laser marking machine: UV laser marking machine is mainly suitable for cold process marking of various materials, such as glass, ceramics, plastics, metals, organic materials, crystals, etc., so it has a wide range of applications in electronics, chemical, pharmaceutical, food, cosmetics and other industries.
3 factors of choosing laser marking machine
Choosing the right laser marking machine depends on several factors, such as marking material, marking content, marking environment, etc.
For marking materials, fiber laser markers are suitable for metallic materials, CO2 laser markers are suitable for non-metallic materials, and UV laser markers are suitable for a wide range of materials.
For the marking content, if you need high precision and high-speed marking, UV laser marking machine is a good choice.
For the marking environment, the compact design of fiber laser marking machine makes it suitable for narrow working space.
Conclusion
In conclusion, different types of laser marking machines have different applicability in marking applications. Understanding their advantages, disadvantages and scope of application can help you choose the right laser marking machine for your needs. According to the marking material, marking content and other factors, choosing the right laser marking machine is important for improving product quality and production efficiency.
Let Blue Elephant Laser help your laser marking projects
Besides, if you’re looking to buy a laser marking machine, take a look at Blue Elephant Laser, a professional laser marking machine manufacturer that offers a wide range of laser marking machines to meet your different marking needs. If you are interested in Blue Elephant Laser’s laser marking machine, please contact us for more details.