Laser Cutting
Acrylics are cut by "vaporisation". The absorbed laser radiation initiates a process which comes close to a physical phase change from solid to liquid to vapour with a remarkably low level of chemical degradation. The vapour, colourless with a distinctive smell, is highly inflammable and burns with a sooty flame. A gentle stream of pressurized air or nitrogen blows the vapour away from the cutting zone to prevent its ignition. It also dries the remaining liquid melt on the cut edge, creating a glossy, smooth, flame-polished like cutting edge.
500 Watts of Laser Power
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Laser Engraving
Acrylic materials are commonly used for laser engraving. Stunning pictures with impressive see-through effects can be created by engraving the backside with a mirrored design. Vector-engraving follows the contours and outlines of geometrical figures on a continuous path, while Raster-engraving is rather like printing. The laser scans the image line, engraving a grid of tiny dots. Using constant laser power alters the density of the dots to create 2D images. Gray levels of the picture are translated into laser power to produce impressive 3D sculptured plies.
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