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Laminated object manufacturing (LOM) is a rapid prototyping system developed by Helisys Inc. (Cubic Technologies is now the successor organization of Helisys) In it, layers of adhesive-coated paper, plastic, or metal laminates are successively glued together and cut to shape with a knife or laser cutter. Objects printed with this technique may ...
Because of the high power levels available (combined with reasonable cost for the laser), CO 2 lasers are frequently used in industrial applications for cutting and welding, while lower power level lasers are used for engraving. [8] In selective laser sintering, CO 2 lasers are used to fuse particles of plastic powder into parts.
Laser polishing, also referred to as laser re-melting, is a type of micro-melting process employed for improving surface quality of materials. As opposed to other conventional polishing processes, this process does not involve removal of materials from the workpiece surface.
In textile manufacturing, a laser cutting bridge system is an industrial machine for cutting and engraving textile materials (i.e. fabrics). It is formed by a galvanometric laser head and carbon-dioxide laser (CO 2 laser) source that runs along an horizontal beam (the bridge) supported by two lateral columns and sometimes by central columns.
A passenger aboard the Delta flight that flipped upside down in a crash-landing in Toronto on Monday recalled how within seconds of the wheels touching down, his body was turned fully sideways and ...
A high velocity cutting flame is produced by the huge volume expansion while the liquid transitions to a vapour so the cutting flame can cut across voids (air space between plates). Oxy-gasoline torches can also cut through paint, dirt, rust and other contaminating surface materials coating old steel.
Thermal blooming or thermal lensing occurs when high-energy laser beams propagate through a medium. [1] [2] [3] It is the result of nonlinear interactions that occur when the medium (e.g. air or glass) is heated by absorbing a fraction of the radiation, causing a "thermal lens" to form, with a dioptric power related to the intensity of the laser, among other factors.
Laser science or laser physics is a branch of optics that describes the theory and practice of lasers. [ 1 ] Laser science is principally concerned with quantum electronics , laser construction , optical cavity design, the physics of producing a population inversion in laser media , and the temporal evolution of the light field in the laser.