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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.
Diagram of a laser cutter Laser cutting process on a sheet of steel CAD (top) and stainless steel laser-cut part (bottom) Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications, it is now used by schools, small businesses, architecture, and ...
Draft angle design is an important factor when designing plastic parts. Because of shrinkage of plastic material, injection molded parts have a tendency to shrink onto a core. This creates higher contact pressure on the core surface and increases friction between the core and the part, thus making ejection of the part from the mold difficult.
An SLS machine being used at the Centro de Pesquisas Renato Archer in Brazil.. Selective laser sintering (SLS) is an additive manufacturing (AM) technique that uses a laser as the power and heat source to sinter powdered material (typically nylon or polyamide), aiming the laser automatically at points in space defined by a 3D model, binding the material together to create a solid structure.
Various types of hair clips A barrette on the back of a woman's head. A barrette (American English), also known as a hair slide (British English), or a hair clip, is a clasp for holding hair in place. They are often made from metal or plastic and sometimes feature decorative fabric. In one type of barrette, a clasp is used to secure the ...
The surface roughness levels should be limited to 8 micro-inches for dot-peen marking, laser and scribe systems can make a readable mark in rougher surfaces. The laser systems burn a "quiet zone" first and then the 2D code. The scribe method provides a high resolution 2D mark that makes the part readily readable in most cast surfaces. [4]