Laser Engraving & Marking: Applications & The Scope of the Invention

It is a well known fact that laser marking, engraving and etching are a permanent process that is carried out by the beam of a concentrated laser to produce a permanent marking on the surface of a suitable material. While this process encompasses quite a wide range of applications, it is nevertheless a remarkable invention as well. Laser marking, can be executed with a relatively low powered laser device. Because of the reason that the beam is of low power, it does not increase the temperature of the metal surface as in the case of the other marking and engraving techniques that were being done previously, which would produce a rise in temperature of the material surface as well as the device head.

The main methods that make use of the laser techniques are laser marking, laser engraving and laser etching. These are further categorised based on the power, substrate and so on. Laser marking is split down into annealing; foaming and carbon migration. Since laser engraving removes the surface of the material high-power laser beams are used in this technique. While the generating of high temperature vaporizes the surface of the material, it is a faster method that creates a comparatively deep indentation. However this method is not so suitable for metal surface parts and materials that are fragile and less rigid.

The laser etching method is that technique where in the heat of the laser beam forms notches on the material surface. Although sufficient depth can be attained through etching, engraving is still the preferred method for such cases. Laser etching one of the best methods that is well suited in case of etching plated metal surface. The scope however is not limited to metal surfaces only and it comes in handy while the engraving of ceramics and other polymer surfaces have to be done as well.

Laser engraving machines of different types are being currently used in the industrial sector, which are categorised into carbon-di-oxide laser marking machine, fiber laser marking machine and the crystal laser marking machine. Aluminium is the most widely preferred, anodized aluminium, stainless steel and so on are the metal surfaces. used in making automobile crankcases and other aesthetic vehicle parts in automobile industry.

Signvec Technology one of the pioneers in laser marking machinery, has made a name for itself in the signage sector. Skilled and specialised in laser machinery sales and service it offers rotary engraver, laser cutting and marking machines as well. Products ranging from the higher end to the affordable range, Signvec have been providing machines of superior quality and range with swift after-sales service too.

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