Fiber laser cutter VS CO2 laser cutting machine
CO2 laser cutting machine is also a commonly used laser cutting machine for industrial purposes. But in actual use, there are big differences between a CO2 laser cutting machine and sheet metal laser cutting equipment. The differences mainly include the following aspects.
1. Laser generator
The CO2 laser generator is a kind of gas molecular laser. It uses CO2 gas as the medium and transmits the laser beam through reflective lenses. However, fiber laser cutting machines work with diodes and fiber optic cables for beam transmission. The reflective lenses in the CO2 laser technology have to act at a certain distance. While the CNC fiber laser is not subject to such limitations.
2. Electro-optical conversion rate
Fiber laser cutting system is the latest laser technology. Its solid-state laser generator is more efficient than a CO2 laser. The electro-optical conversion rate of a CO2 laser cutter is only 8%-10%. However, that rate of a fiber laser cutter can be as high as 30%. In other words, the overall energy consumption of a metal laser cutting machine is 3-5 times lower than that of a CO2 laser cutter. So the fiber laser machine is more energy-efficient.
3. Cutting ability
Fiber laser has the property of short wavelength, thus improving the absorption of the beam by the cutting material. The fiber laser beam is more suitable for transmission in the fine and soft fiber. So it is more flexible and easier to maintain than the CO2 laser transmission with mirror reflection. A 3KW fiber laser cutting machine is equivalent to a 4-5KW CO2 laser cutting machine in terms of cutting capacity and speed. So the metal laser cutter can greatly reduce operating costs. 4. Maintenance cost As a CO2 laser cutter has a complex laser structure, its subsequent maintenance cost is relatively high. The CO2 laser cutting system requires regular cleaning, and the reflective lenses also require frequent cleaning and calibration. Due to the CO2 gas purity, you need to maintain the resonant cavity regularly. However, a CNC metal laser cutter doesn’t require the above maintenance, saving a large amount of cost.
Fiber laser cutting machine is mainly for metal cutting, such as mild or carbon steel, stainless steel, aluminum and its alloys, brass, copper, titanium, etc. While the Co2 CNC laser cutting machine is good at cutting non-metallic materials. It is now a solution to cut or engrave acrylic, wood, MDF, glass, etc.