Welds together metal components of products, such as ships and barges as specified by layout, blueprints, diagram, work order, welding procedures, or oral instructions, using electric arc-welding equipment.
Connects cables from welding unit to obtain amperage, voltage, slope, and pulse, as specified by WELDING ENGINEER or WELDING TECHNICIAN.
Starts power supply to produce electric current.
Strikes 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 manually apply filler rod to supply weld metal.
May clean or degrease weld joint or workpiece, using wire brush, portable grinder, or chemical bath.
Will repair broken or cracked parts and fill holes.
Will prepare broken parts for welding by grooving or scarfing surfaces.
May chip off excess weld, slag, and spatter, using hand scraper or power chipper.
May preheat workpiece, using hand torch or heating furnace.
May position and clamp workpieces together or assemble them in jig or fixture.
May tack assemblies together.
May cut metal plates or structural shapes.
May operate other machine shop equipment to prepare components for welding.
Will be required to pass employer performance tests to meet certification standards.
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