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Laser cutting for metals has the advantage over plasma cutting of being more precise [11] and using less energy when cutting sheet metal; however, most industrial lasers cannot cut through the greater metal thickness that plasma can. Newer laser machines operating at higher power (6000 watts, as contrasted with early laser cutting machines ...
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
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.
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 ...
Able to create a hole in a metal sheet kept at a distance of 250 meters in 36 seconds. 2017: Experimental [78] Dragonfire: 50 kW scalable laser directed-energy weapon in development by the United Kingdom intended for use against small boats, drones and artillery shells/missiles. Completed the first two of four planned service acceptance trials ...
Hand-held torches can usually cut up to 38 mm (1.5 in) thick steel plate, and stronger computer-controlled torches can cut steel up to 150 mm (6 in) thick. [citation needed] Since plasma cutters produce a very hot and very localized "cone" to cut with, they are extremely useful for cutting sheet metal in curved or angled shapes.
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