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LASERS AND LASER MACHINING

The applications of lasers in manufacturing are widespread.
Laser energy finds many applications other than its use as a cutting tool. Laser is an acronym for light amplification by stimulated emission of radiation. By electrically stimulating the atoms of certain materials such as various crystals and certain gases, the electrons of these atoms can be temporarily displaced to higher electron shell energy level positions within the atomic structure.
When the electrons fall back to their originally stable levels, packets of light energy called photons are released (Figure M-115). This light energy can be enhanced and focused into a coherent beam and then used in many manufacturing, medical, measurement, and other useful applications.

M-115
Laser Machining In laser machining, the coherent laser light becomes the cutting tool.
Integrating the laser with CNC machine tool positioning produces an extremely versatile system with many capabilities (Figure M-116).

M-116
Applications of laser machining include cutting plate for shapes such as saw blades, slotting stainless tubing, and in marking systems.

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