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2. Laser cutting - Wikipedia

   en.wikipedia.org/wiki/Laser_cutting

   For sheet metal cutting, the focal length is usually 1.5–3 inches (38–76 mm). [7] [8] Advantages of laser cutting over mechanical cutting include easier work holding and reduced contamination of workpiece (since there is no cutting edge which can become contaminated by the material or contaminate the material). Precision may be better since ...

3. Laser engraving - Wikipedia

   en.wikipedia.org/wiki/Laser_engraving

   The same conduction that works against the spot vaporisation of metal is an asset if the objective is to vaporise some other coating away from the metal. Laser engraving metal plates are manufactured with a finely polished metal, coated with an enamel paint made to be "burned off". At levels of 10 to 30 watts, excellent engravings are made as ...

4. List of laser types - Wikipedia

   en.wikipedia.org/wiki/List_of_laser_types

   Helium–silver (HeAg) metal-vapor laser [3] 224.3 nm Scientific research Strontium vapor laser: 430.5 nm Scientific research Neon–copper (NeCu) metal-vapor laser [3] 248.6 nm Electrical discharge in metal vapor mixed with neon buffer gas. Scientific research: Raman and fluorescence spectroscopy [4] [5] Copper vapor laser: 510.6 nm, 578.2 nm

5. List of laser applications - Wikipedia

   en.wikipedia.org/wiki/List_of_laser_applications

   The required brightness (as measured in by the beam parameter product) is higher for cutting applications than for brazing and thin metal welding. [12] High power applications, such as hardening , cladding , and deep penetrating welding, require multiple kW of optical power, and are used in a broad range of industrial processes.

6. CNC wood router - Wikipedia

   en.wikipedia.org/wiki/CNC_wood_router

   Wood routers are frequently used to machine other soft materials such as plastics. Typical three-axis CNC wood routers are generally much bigger than their metal shop counterparts. 5' x 5', 4' x 8', and 5' x 10' are typical bed sizes for wood routers. They can be built to accommodate very large sizes up to, but not limited to 12' x 100'.

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