Fibre laser systems have established their capability to cut metals at high quality and accommodate intricate parts, which are challenging to other processes. However, when it comes to the final decision to use a fibre laser cutting machine for their project, customers usually focus on the additional aspects specific to their case. Included is a particular system that can handle their parts’ tolerances and whether it is economical to use specific fibre laser systems to produce their pieces. Below we discuss these two questions at a top-level.
Factors such as kerf size, taper, surface roughness, heat input of the process, and the variability of the process during the long production run eventually determine in practice if you can hold parts within a tight tolerance. A combination of the small kerf, low heat input, good surface finish, and stable cutting makes fibre lasers a safe choice for cutting precise parts. The cutting precision partly depends on the motion system of the cutting machine.
CO2 lasers have been in use on sheet metal processing machines for several decades and are considered an important tool in the field of material processing. The functional principle is based on a gas mixture that is excited by electrical power. The laser beam generated is directed to the cutting head via various deflection mirrors.
The fiber lasers are solid-state lasers and generate the laser light through a laser-active core, which is surrounded by a cladding. A pump light is generated via diodes and excited accordingly in the fiber.
In addition to the excitation principle and design, both technologies also differ significantly in terms of wavelength and efficiency.
Fiber lasers have a clear advantage over CO2 technology due to their significantly higher energy efficiency and higher cutting speeds. The easy scalability also enables very high laser powers and corresponding flexibility.
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We're excited to announce that we now offer support for spare parts as well. Welcome!