Laser Engraving Machines

Laser Engraving Machines are widely used in modern Industrial Applications.
Laser engraving is the practice of lasers engrave or mark an object (it is also sometimes incorrectly described as etching, which involves the use of acid or a similar chemical). The technique can be very technical and complex, and often a computer system is used to drive the movements of the laser head. Despite this complexity, very precise and clean engravings can be achieved at a high rate. The technique does not involve tool bits which contact the engraving surface and wear out. This is considered an advantage over alternative engraving technologies where bit heads have to be replaced regularly.
The impact of laser engraving has been more pronounced for specially-designed "laserable" materials. These include polymer and novel metal alloys.
Materials which can be engraved:

Woods
Plastics
Metals
Coated Metals
Stone and Glass

Laser Engraving Machines are widely used in Industrial Applications

Cutting
Printing
Sub Surface Laser Engraving
Direct Laser Imaging

So Laser Engraving Machines are used in a wide range of industries. Some important sites of manufacturers:
http://www.ulsinc.com/
http://www.electrox.com/
http://www.epiloglaser.com/
http://www.trotec.net/
http://www.hglaser.com/
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