Job Description:

• 1) Sets up resistance welding and brazing machines that join or bond metal components, such as panels, frames, yokes, tubes, and containers, according to specifications and blueprints: Lays out and marks weld points and position of components on workpiece, using rule, square, templates, and scribe.

• 2) Selects, positions, aligns, and bolts electrodes, jigs, holding fixtures, guides, and stops onto machine, using measuring instruments and handtools.

• 3) Turns knobs to set and synchronize electric current, pressure, timing cycle, and automatic feed and transfer equipment specified by welding machine chart or record of previous work.

• 4) Computes and records setting for new work, applying knowledge of metal properties, principles of welding, and shop mathematics.

• 5) Makes trial weld.

• 6) Adjusts electrode gap and feed rollers to thickness of metal.

• 7) Dresses electrodes, using tip dresser, file, emery cloth, or dressing wheel.

• 8) Devises and builds fixtures.

• 9) Gives directions to WELDING-MACHINE OPERATOR, RESISTANCE in operation of machine.

• 10) May inspect electrical circuits of machine and perform maintenance tasks, such as replacing defective tubes and relays.

• 11) May set up welding stations on automatic production lines.

• 12) Important variations include material types, finish required, and types of joints welded.