Fiber lasers are popular for engraving metals, as they can engrave much more accurately than generic CO2 Lasers.
Triumph's 30W desktop fiber laser can engrave on aluminum, gold, silver, steel, stainless steel, copper, and some plastic-like polymer for metal tools and machine parts.
At the heart of a fiber laser is the laser source and they do not have any gaseous medium in it like in a CO2 laser.
Raycus 50W fibre laser can engrave on stainless steel at a angle of 90 degrees. This laser uses 100% of its power.
I evaluated these fiber laser laser engravers and selected them based on their size, material ability, laser power upgrades, laser safety, line motion, and software.
Laser cuts metal using light. Laser uses light to pierce and to cut metal. Think of a magnifying mirror that can be used as a magnifying device to focus sunlight on a single spot and then burn it. That's how cutting light works.
When lasered, some acrylics made from PVC can emit toxic fumes. It is better to verify the chemical composition of any materials you intend to engrave.
Affordable metal sheet & pipe fiber laser cutter is a type of automatic CNC laser metal cutting system not only for metal sheets and metal plates with different thickness, but also for metal pipes and metal tubes with different shapes.
The heart of a fiber laser's operation is its laser source. They do not contain any gaseous material like a CO2 laser.
Since the working medium adopted by the laser generator is in the form of an optical fiber, its features are affected by the transition properties of the optical fiber. The pump light entering the fiber generally has multiple modes, while the signal photoelectric may have multiple modes. Different pump modes have different effects on different signal modes, making the analysis of laser generators and amplifiers more complicated. The doping distribution in the fiber also has a great impact on the laser generator. In order to make the medium have gain characteristics, working ions (that is, impurities) are doped into the fiber. In general, working ions are evenly distributed in the core. However, the distribution of pump light of different modes in the fiber is non-uniform. Therefore, in order to improve the pumping efficiency, the ion distribution and the pumping energy distribution should be as close as possible. When analyzing the laser generator, in addition to the general principle of the laser generator discussed above, it must also consider its own features, introduce different models and adopt special analysis methods to achieve good analysis results.
Not only will you achieve speeds that are multiple times faster, but technology for processing of thick mild steel has grown. Fiber laser isn’t just for thin material.
Other engraving area options available are 6.9" x 6.9", 5.9" x 5.9", 4.3" x 4.3", and 2.6" x 2.6". You can choose them depending on your operational requirement.
Finally, the laser beam will be projected onto the work material and is focused at the cutting head.
Fiber lasers can be used to engrave many applications. The wavelength range of fiber lasers is 780nm – 2200nm.
The wavelength is the primary distinction that determines the types of materials that each laser can process. The wavelength of a fiber laser is typically 1,060 nm, whereas CO2 lasers have wavelengths in the 10,600 nm range. Fiber lasers have many advantages over CO2 lasers in general.
Compressed air, nitrogen, oxygen, and argon are the four primary types of assist gas for fiber laser machines.
Marking and engraving are improved by high peak power and nanosecond pulses. The increased power and improved beam quality result in cleaner cut edges and faster cutting speeds. Fiber lasers are also used in material processing, telecommunications, spectroscopy, medicine, and directed energy weapons.