What’s the laser engraving process is and what’s the way it functions?
The laser engraving process is a technique that vaporizes substances into fumes, enabling the engraving of permanent deep marks. The laser beam functions as an ax, cutting marks by removing layers of surfaces of materials. The laser targets regions with vast amounts of energy, creating the intense heat required for the vaporization process.
This article will discover an in-depth explanation of the workings of laser engraving and how to locate the laser engraving machine.
First, let’s watch a brief video that shows a marking process using lasers in motion. This video will allow you to see high-quality contrasts, speed of marking, and the fumes produced during the laser marking.
Should You Choose Laser Engraving or Laser Etching?
For the best laser marking procedure, You should consider three aspects:
The marking’s resistance is its ability to remain clear even under extreme conditions
The speed of marking lasers The marking time stops production bottlenecks
The marking material is its compatibility with the marking process
Laser engraving is usually employed to keep metal workpieces exposed to different types of wear or treatments. Metal engraving can be done using steel or aluminum (including die-casting and anodized aluminum).
The most impressive characteristic of this method is the ability to create 2D codes that retain high readability rates even after post-processing. These treatments include shot blasting and e-coating, heat, and remedies that address the most complicated traceability concerns.
If engraving the most durable identification marks isn’t required, laser etching is typically preferred because it is fast and does not rely on ablation.
Lasers can be used to laser-etch various kinds of materials, such as steel, aluminum, anodized aluminum, magnesium, lead, and zinc.
Additionally, there’s a new laser annealing method that can mark metals such as stainless steel.
From Solid to Gas: How It Works
While laser etching melts the surface of the material to alter its roughness, laser engraving sublimates the material’s surface, creating deep crevices. That means the surface immediately absorbs enough energy to transform from solid to gas without ever becoming liquid.
To sublimate, to achieve sublimation, the laser engraving device will need to produce enough energy for the material’s surface to reach the temperature of vaporization within milliseconds. Given the extremely high temperatures required for sublimation, Maszyny do grawerowania laserowego are potent instruments.
The materials are evaporated to form fumes once they reach the temperature. Therefore, when you purchase a laser system, you should ensure that it is with a fume extraction system to guard the work surroundings and an air knife that protects the lens of the laser.
Fiber lasers are the best tool for engraving because they create a wavelength that works well with metals.
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