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Can Fiber Lasers Engrave Wood?

July 25, 2022

The use of fiber lasers to engrave wood should be avoided. There are two main reasons not to use a fiber laser to engrave wood:

Fire Hazard: Applying heat to wood results in the obvious - a fire. Doing this with laser engraving can ignite your wood, which is a very serious safety risk. The danger arises when the beam goes to the wood where there is no controlled absorption due to the shorter wavelength.

Lack of control: Due to the uncontrolled absorption that wood has on fiber lasers, it is almost impossible to make smooth or clean marks. As a result, they are often charred and sometimes unidentifiable, making it impossible to make clear designs.

While fiber lasers can successfully engrave other materials, you should not use them to engrave wood and other organic materials.

Atomstack M4 Fiber Laser Marking Machine

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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.