Why choose laser cutting machine instead of CO2 cutting machine

Why choose fiber laser cutting machine instead of CO2 cutting machine? This stems from its powerful capabilities. Since CO2 lasers were used for cutting in the 1980s, fiber laser cutting has been one of the most 'destructive' technologies introduced into the metal processing market.

Fiber laser technology is considered a disruptive 'revolutionary' change because it has already affected The entire status quo of sheet metal manufacturing. And the opportunity is easy to realize. In a relatively short period of time, we have seen exponential improvements in fiber laser technology for flat metal cutting.

In just five years, fiber lasers have reached the cutting threshold of 4kW, while the cutting threshold of CO2 lasers is about four times that. Ten years later, the fiber laser reached a cutting power level of 15kW. In all fairness, fiber lasers-some over 20 kilowatts-have been used by other industries for applications other than sheet metal cutting for many years.

The main advantage of using fiber laser technology to cut flat metal comes from its monolithic, fiber-to-fiber, compact solid-state design configuration. Compared with similar CO2 lasers, this configuration requires no maintenance and lower operating costs. The characteristics of the fiber laser beam also provide a faster cutting speed than CO2, which we will discuss below.

Compared with a 4kW CO2 laser, even the focused beam of a 2kW fiber laser shows a greater 5X power density at the focal point. Due to the shorter wavelength of the fiber laser, it also has 2.5 times the absorption characteristics. The combination of the higher absorption of the fiber wavelength and the higher power density produced by the focused beam increases the cutting speed of materials less than 1/2 inch thick by a factor of five.

When using nitrogen as the auxiliary gas, the fiber laser cutting system can of course use higher fiber laser power to cut thicknesses of more than 1 inch, and even cut faster, but when compared with the CO2 system, The 'cut point' for greater benefit is in the 1/2 inch and lower steel range.

Of course, if you are processing stainless steel, aluminum, brass or copper materials, fiber laser technology is very fast and very economical, regardless of the thickness. If we want to choose one of CO2 cutting machine and fiber cutting machine, then fiber laser cutting machine is often a very good choice. Based on its powerful characteristics, our production efficiency will be greatly improved.

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