Component with a weld projection having a projection and lamp housing part comprising a component with a weld projection
A technology for bulges and lamp housings, applied in welding/welding/cutting articles, welding equipment, laser welding equipment, etc., can solve zinc coating evaporation, holes, sand holes and spatters in the connection area, failure to form welding connections, etc. question
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[0023] The invention will be illustrated below with the aid of welding projections for welding zinc-coated shielding housing parts. As already mentioned, the welding projections according to the invention are not limited to such housing parts only.
[0024] figure 2 A schematic illustration of a two-part, substantially cuboid shielding housing which surrounds the plastic lampholder 2 is shown. The upper part 4 of the shielding housing is provided on its top face with an opening (not shown) for the discharge chamber of the high-pressure discharge lamp. The lower part 6 overlaps the upper part 4 , so that in the area of the overlap the outer wall of the lower part 6 bears against the inner wall of the upper part 4 in the region of the welding bead 8 . Details of high-pressure discharge lamps are described, for example, in WO 00 / 59269. The shielding housing 1 has two housing parts 4, 6 made of galvanized sheet steel, which in their figure 1 A plurality of welding bumps 8 a...
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