Arc Welder: A description for the arc welder job

Structural Work Jobs » Welders Cutters And Related Jobs » Arc Welders And Cutters » Arc Welder

Arc Welder – Welds together metal components of products, for example pipelines, automobiles, boilers, ships, aircraft, and mobile homes, as specified by layout, blueprints, diagram, work order, welding procedures, or oral instructions, using electric arc-welding equipment: Obtains specified electrode and inserts electrode into portable holder or threads consumable electrode wire through portable welding gun. Connects cables from welding unit to obtain amperage, voltage, slope, and pulse, as specified by WELDING ENGINEER (professional industry) 011.061-026 or WELDING TECHNICIAN (professional industry) 011.261-014. Starts power supply to produce electric current. Strikes (forms) arc which generates heat to melt and deposit metal from electrode to workpiece and join edges of workpiece. Manually guides electrode or gun along weld line, maintaining length of arc and speed of movement to form specified depth of fusion and bead, as judged from color of metal, sound of weld, and size of molten puddle. Welds in flat, horizontal, vertical, or overhead positions. Examines weld for bead size and other specifications. May also manually apply filler rod to supply weld metal. May also clean or degrease weld joint or workpiece, using wire brush, portable grinder, or chemical bath. May also repair broken or cracked parts and fill holes. May also prepare broken parts for welding by grooving or scarfing surfaces. May also chip off excess weld, slag, and spatter, using hand scraper or power chipper. May also preheat workpiece, using hand torch or heating furnace. May also position and clamp workpieces together or assemble them in jig or fixture. May also tack assemblies together. May also cut metal plates or structural shapes [ARC CUTTER (welding industry) 816.364-010]. May also be designated according to type of equipment used as Welder, Carbon Arc (welding industry), Welder, Flux-Cored Arc (welding industry), Welder, Gas-Metal Arc (welding industry), Welder, Gas-Tungsten Arc (welding industry), Welder, Hand, Submerged Arc (welding industry), Welder, Plasma Arc (welding industry), Welder, Shielded-Metal Arc (welding industry). May also operate other machine shop equipment to prepare components for welding. May also be designated according to product welded as Welder, Boilermaker (structural industry). Important variations include types of metals welded, subprocesses used, trade name of equipment used, work site (in-plant, job shop, construction site, shipyard), method of application (manual, semiautomatic), high-production or custom, level of ambidexterity required, type of joints welded (seam, spot, butt). May also be required to pass employer performance tests or standard tests to meet certification standards of governmental agencies or professional and technical associations.

Job industry: welding industry

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