Job Description:

• 1) Sets up and operates resistance welding machine to join metal parts, according to blueprints, work orders, or oral instructions: Turns machine dials to set air and hydraulic pressure, amperage, and joining time, according to specified type of metal, weld, and assembly.

• 2) May select, install, and adjust electrodes.

• 3) Aligns workpieces, using square and rule.

• 4) May hold pieces together manually, fasten into jigs, or secure with clamps to align in specified assembly position.

• 5) Holds part between electrodes or positions on machine worktable.

• 6) Depresses pedal or pulls trigger to close electrodes and form weld at point of contact.

• 7) Releases pedal or trigger after specified welding time.

• 8) Cleans electrodes, using file, tip dresser, emery cloth.

• 9) May operate machine which automatically releases electrodes from metal after welding cycle.

• 10) May devise and build fixtures to hold pieces.

• 11) May inspect finished work.

• 12) May operate machine equipped with two or more electrodes which weld at several points simultaneously.

• 13) Important variations include types of joints welded and types of materials welded.

• 14) May be designated according to type of resistance-welding machine operated as Flash-Welding-Machine Operator; Percussion-Welding-Machine Operator; Projection-Welding-Machine Operator; Upset-Welding-Machine Operator.