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Mechanical Engineering

Neox

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    Master of Technology (M.Tech)
  1. Laser Beam Welding Laser beam welding (LBW) is a welding technique used to join pieces of metal or thermoplastics using a laser. The beam provides a concentrated heat source, allowing for narrow, deep welds and high welding rates. The depth of penetration is proportional to the amount of power supplied but is also dependent on the location of the focal point. Audi Q5 aluminum tailgate with weld [Pic Source] Laser Welding – Key Benefits • Can be easily automated using a CAD/CAM setup. • No electrode is used in the process and no form of tool wear occurs. • High level of accuracy and ultimate precision. • High-quality welds are obtained through the use of a laser, capable of creating complicated joints. • The beam provides a concentrated heat source, allowing for narrow, deep welds and high welding rates. • Weight saving potential due to reduced flange sizes. Weight saving can be achieved by the modification of the flanges. While a spot weld connection usually requires a flange width of about 16 mm for all bonded parts to guarantee accessibility for the spot welding gun, a laser beam weld necessitates only circa 8 mm of flange width, since the laser gun itself does not need to physically access the flange. Flange width comparison between resistance spot weld and laser beam weld flange
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