Employee Duties & Responsibilities
1) Welds together metal components of products, like pipelines, automobiles, boilers, ships, aircraft, and mobile homes, as specified by layout, blueprints, diagram, work order, procedures, or oral instructions, using electric arc- equipment.
2) Obtains specified electrode inserts electrode into portable holder or threads consumable electrode wire through portable gun.
3) Connects cables from unit to obtain amperage, voltage, slope and pulse, as specified by Welding Engineer profess. & kin. or Welding Technician profess. kin.
4) Starts power supply to produce electric current.
5) Strikes forms arc which generates heat to melt and deposit metal from electrode to workpiece join edges of workpiece.
6) Manually guides electrode or gun along weld line, maintaining length of arc and speed of movement to form specified depth of fusion bead, as judged from color of metal, sound of weld, and size of molten puddle.
7) Welds in flat, horizontal, vertical, or overhead positions.
8) Examines weld for bead size other specifications.
9) May manually apply filler rod to supply weld metal.
10) May clean or degrease weld joint or workpiece, using wire brush, portable grinder, or chemical bath.
11) May repair broken or cracked parts fill holes.
12) May prepare broken parts for by grooving or scarfing surfaces.
13) May chip off excess weld, slag, and spatter, using hand scraper or power chipper.
14) May preheat workpiece, using hand torch or heating furnace.
15) May position clamp workpieces together or assemble them in jig or fixture.
16) May tack assemblies together.
17) May cut metal plates or structural shapes.
18) May be designated according to type of equipment used as Welder, Carbon Arc ; Welder, Flux-Cored Arc ; Welder, Gas-Metal Arc ; Welder, Gas-Tungsten Arc ; Welder, Hand, Submerged Arc ; Welder, Plasma Arc ; Welder, Shielded-Metal Arc .
19) May operate other machine shop equipment to prepare components for .
20) May be designated according to product welded as Welder, Boilermaker struct.
21) 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 .
22) May be required to pass employer performance tests or standard tests to meet certification standards of governmental agencies or professional technical associations..