How does the application of a laser engraver work?
The secret behind the power of a laser lies in the scattering of the light. Laser pointers, overhead projectors or scanners at the supermarket checkout also use laser beams, but these are more widely scattered, so they are much weaker and it is harmless to look into them with the naked eye.
Attention: With a laser engraving machine you can engrave your object, but not necessarily cut it. It depends on the thickness of the material. With most engraving machines, the engraving depth is only about 1 mm.
This is different with a laser engraving device. A laser engraver focuses the light beams so tightly that they develop tremendous force, burning, discoloring, or vaporizing the material being worked on, creating the desired pattern. For this reason, it is essential to wear good safety goggles when operating a laser engraving machine. The retina must be protected from the laser radiation.
Which is better: safety goggles or built-in laser protection plate? In order to protect the eyes from the dangerous laser radiation, wearing protective goggles is strictly recommended in various laser engraving machine tests. Alternatively, some engraving machines are supplied with a built-in laser protection plate.
ADVANTAGES very effective and reliable protection against laser radiation Protective plates are often of higher quality than the protective goggles supplied
DISADVANTAGE the protective plate only protects on one side of the device therefore you have hardly any freedom of movement when editing if you want to be protected from any direction, we recommend a good pair of safety glasses
What are the differences in laser engraving machines for different materials?
When you buy a laser cutting machine, you should first consider what material you want to engrave. Not every laser engraving machine is suitable for every material. CO2 engravers are generally not that expensive, but are only suitable for lighter materials. Particularly hard material must be processed with a fiber laser, which is usually significantly more expensive.
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Laser engraving is a popular option that provides a permanent and legible marking on an object through etching, ablation, or deep laser engraving. It is similar to laser marking, but the resulting appearance differs due to the depth of laser penetration.
Laser engraving is commonly used to create permanent serial markings on substrates made of: Metal, Wood, Plastic, Leather.
Benefits Of Laser Engraving Over Traditional Processes
Compared to manual engraving:
Minimally Invasive: Laser engraving can be performed at a range of depths without any direct contact at all. Surface marks can even be done on stainless steel with no depth. Overall, lasers are less damaging than manual engraving and keep the substrate material’s physical integrity intact.
Precise: Lasers provide a level of control that’s impossible to achieve manually. Compared to hand-engraving, the process is swift, clean, and highly repeatable, with little room for human error.
Versatile: A single laser engraving machine can be used to create a host of different designs with only minimal calibration. They can also produce exceptionally complex patterns.
Affordable: On average, laser devices last longer than other engraving machines and require less maintenance, resulting in savings that can be passed along to the consumer.
Fast: Lasers can be programmed to render virtually any design in a matter of moments. Because the process is automated, it’s easy to scale production runs as needed according to demand.
Long-Lasting: Laser-engraved designs are permanent but can wear over time, depending on the substrate material that’s used. Soft metals, for example, may experience more signs of wear than hardwood. In general, however, laser-engraved designs tend to have a longer lifespan compared to other engraving methods.