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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 ...
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 the enamel is removed quite cleanly. Much laser engraving is sold as exposed brass or silver-coated steel lettering on a black or dark-enamelled background.
Since the rays of a laser beam are monochromatic and parallel (i.e. zero etendue) it can be focused to a small diameter and can produce as much as 100 MW of power for a square millimeter of area. Laser beam machining has the ability to engrave or cut nearly all materials, where traditional cutting methods may fall short.
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
These are often used in CNC machining centers for removing burrs (the small flakes of metal) after a machining process. To achieve optimal surface speed and cutting conditions, burrs are rapidly rotated at high speeds, often in the range of thousands or tens of thousands of RPM, which is typically the maximum speed supported by a given spindle ...
The laser cutter is a machine that uses a laser to cut materials such as chip board, matte board, felt, wood, and acrylic up to 3/8 inch (1 cm) thickness. The laser cutter is often bundled with a driver software which interprets vector drawings produced by any number of CAD software platforms. [5]
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