Over the past century, Laser cutting has revolutionized manufacturing and fabrication, offering precision and efficiency across many industries. When we talk about laser cutting, we are most often talking about two main types of laser cutting machines, Fiber Lasers and CO2 Lasers. While both serve similar purposes, they have distinct differences that make them suitable for different applications. In this post, we will look at the key differences between Fiber Laser and CO2 Laser cutting machines to help you choose which might be the best for you. If you would like to see our laser cutting capabilities SEE HERE
1. Material Suitability
Fiber Lasers:
|
CO2 Lasers:
|
2 . Laser Technology
Fiber Laser Cutting Machines: Fiber lasers use a solid-state laser, this laser is mainly optical fibres paired with rare-earth minerals. These minerals absorb the laser and then emit the laser at greater quality and efficiency.
CO2 Laser Cutting Machines: CO2 lasers utilise a gas mixture (primarily carbon dioxide, along with nitrogen, hydrogen, and helium) to generate the laser beam. The gas is electrically excited to produce infrared light, which is then focused and directed onto the material.
3. Cutting Speed and Efficiency
Fiber Laser: Fiber lasers are known for their high cutting speeds and efficiency, especially when working with metals. Their ability to focus tightly and deliver a concentrated beam results in precise cuts with minimal distortion. Fiber lasers are also more energy-efficient.
CO2 Laser: CO2 lasers can be slower in comparison, particularly when cutting thicker or reflective metals. They are more energy-intensive and may require additional cooling systems to manage the heat produced during operation. Due to this, CO2 lasers are better used for cutting non-metallic materials.
4. Maintenance and Operating Costs
Fiber Laser: Fiber lasers are relatively low-maintenance. Unlike CO2 lasers, fibre laser do not use mirrors or lenses that need regular alignment or replacement.
CO2 Laser: CO2 lasers typically require more frequent maintenance, including the replacement of mirrors and lenses, which can lead to higher costs. The gas in the laser tube also needs replacing, adding to the maintenance requirements.
5. Initial Investment and Longevity
Fiber Laser: The initial investment for fiber laser machines can be higher, but they offer a longer lifespan and lower operational costs. Their durability and efficiency make them a cost-effective choice over time, especially for high-volume production environments.
CO2 Laser: CO2 lasers generally have a lower initial cost, but their higher maintenance and operating costs can add up over time. They may be a better choice for businesses with a primary focus on non-metallic materials or for applications where initial capital investment is a significant concern.
