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The Difference Between Laser Marking and Laser Engraving

Jan. 19, 2021

With so many markings and engravings on the market, the situation can be confusing. At the same time, many people think they are a kind of tool. The term laser tool is often used interchangeably, but there is a difference between laser marking and laser engraving. Each type of process has its own application and properties, making it very suitable for different jobs. Let's take a look at their failures.

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Laser Marking Machine Process

Laser marking refers to what happens when a light beam interacts with the surface of a material to slightly change its characteristics or appearance. This is achieved by slowly moving a low-power beam over the material using a method called discoloration, which produces high-contrast marks without damaging the material. The laser heats the material, causing subsurface oxidation and blackening the material. It applies low temperature to the metal to anneal the surface. Complete all these operations while keeping the surface intact.

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Fiber Laser Engraver Process

Laser engraving is a process in which a laser beam physically removes the surface of the material to expose a cavity where images can be displayed at eye level. The laser generates high heat during the engraving process, which actually causes the material to evaporate. This is a fast process because each pulse vaporizes the material. This creates a cavity on the surface that is perceptible to the naked eye and touch. To form deeper marks on the laser engraving machine, please repeat several times.

Although engraving is part of laser marking, it is still different in many aspects: there are three types of laser engraving: etching, deep laser engraving and laser ablation.


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