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2. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   A welding helmet in use. A welding helmet is a piece of personal protective equipment used by welders to protect the user from concentrated light and flying particles. . Different welding processes need stronger lens shades with auto-darkening filters, while goggles suffice for

3. Arc welding - Wikipedia

   en.wikipedia.org/wiki/Arc_welding

   Arc welding is a welding process that is used to join metal to metal by using electricity to ... Auto darkening welding hood with 90 × 110 mm cartridge and 3.78 × 1 ...

4. Metal fabrication - Wikipedia

   en.wikipedia.org/wiki/Metal_fabrication

   Workers welding in parking garage. Welding is the main focus of steel fabrication. [8] Formed and machined parts are assembled and tack-welded in place, then rechecked for accuracy. If multiple weldments have been ordered, a fixture may be used to locate parts for welding. A welder then finishes the work according to engineering drawings (for ...

5. Plasma arc welding - Wikipedia

   en.wikipedia.org/wiki/Plasma_arc_welding

   Plasma arc welding is an arc welding process wherein coalescence is produced by the heat obtained from a constricted arc setup between a tungsten/alloy tungsten electrode and the water-cooled (constricting) nozzle (non-transferred arc) or between a tungsten/alloy tungsten electrode and the job (transferred arc). The process employs two inert ...

6. Chopping and channeling - Wikipedia

   en.wikipedia.org/wiki/Chopping_and_channeling

   Sectioning a car is removing a horizontal section from its lower body, lowering the remaining top section onto the bottom one, and welding the result back together, reducing the body's and thus the car's overall height. [7] Like a top chop, it has the advantage of reducing a car's frontal area and wind resistance. This sort of bodywork is ...

7. Laser-hybrid welding - Wikipedia

   en.wikipedia.org/wiki/Laser-hybrid_welding

   Laser-hybrid welding is a type of welding process that combines the principles of laser beam welding and arc welding. [ 1 ] The combination of laser light and an electrical arc into an amalgamated welding process has existed since the 1970s, but has only recently been used in industrial applications.