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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.
Animated sequence of how a bore evacuator works. A bore evacuator. A bore evacuator or fume extractor is a device which removes lingering gases and airborne residues from the barrel of an armored fighting vehicle's gun after firing, particularly in tanks and self-propelled guns.
In 1994 it acquired Directed Energy, a small laser marking business based in California, United States. [4] In 2004 it acquired Wiedenbach, a supplier of ink jet printers, and Purex, a supplier of fume extractors for laser printers. [5] In 2005, it acquired Sator, a supplier of laser printers.
An aspirating smoke detector (ASD) is a system used in active fire protection, consisting of a central detection unit which draws air through a network of pipes to detect smoke. [1] The sampling chamber is based on a nephelometer that detects the presence of smoke particles suspended in air by detecting the light scattered by them in the chamber.
The goal of a fume extractor is to move these environmental pollutants away from the user and other occupants of the room as quickly and efficaciously as possible so as to stay within the safe exposure limits of the various substances present, and reduce the risk of adverse health outcomes like metal fume fever, polymer fume fever, occupational ...
Laser ablation or photoablation (also called laser blasting [1] [2] [3]) is the process of removing material from a solid (or occasionally liquid) surface by irradiating it with a laser beam. At low laser flux, the material is heated by the absorbed laser energy and evaporates or sublimates .